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[[File:Population curve.svg|thumb|550px|The estimated size of human population from 10,000 [[Common Era|BCE]]–2000 CE.]]
 
'''Population growth''' is the change in a [[population]] over time, and can be quantified as the change in the number of individuals of any [[species]] in a population using "per unit time" for measurement.
In [[biology]], the term ''population growth'' is likely to refer to any known [[organism]], but this article deals mostly with the application of the term to [[human]] populations in [[demography]].
 
Population growth rates might have declined, but in 2013 every 60 minutes there are another 8,000 people in the world: about 75 million every year.<ref>[http://www.theguardian.com/commentisfree/2013/nov/11/typhoon-haiyan-there-is-worse-to-come Typhoon Haiyan: there is worse to come, The first disaster to kill more than a million people could happen within our lifetimes] The Guardian, Monday 11 November 2013</ref>
 
In demography, ''population growth'' is used informally for the more specific term '''population growth rate''' (see below), and is often used to refer specifically to the growth of the human [[World population|population of the world]].
 
Simple models of population growth include the Malthusian Growth Model and the [[logistic function|logistic model]].
 
The world population grew from 1&nbsp;billion to 7&nbsp;billion from 1800 to 2011. During the year 2011, according to [[World population estimates|estimates]], 135&nbsp;million people were born and 57&nbsp;million died, for an increase in population of 78&nbsp;million.<ref name=hesa2011>7. miljardis ihminen, Helsingin Sanomat editor Mr Timo Paukku 5.9.2011 D1 {{fi}}</ref>
 
{| class="wikitable" style="float: right; clear:right; margin-left: 10px"
! colspan=3 align="center" style="background-color: #cfb;" | Population<ref name="hesa2011"/>
|-
! style="background-color: #cfb;" | Years Passed
! style="background-color: #cfb;" | Year
! style="background-color: #cfb;" | Billion
|----
| align="left" |  -    || 1800 || align="right"| 1
|----
| align="left" |  127  || 1927 || align="right"| 2
|----
| align="left" |  33    || 1960 || align="right"| 3
|----
| align="left" |  14    || 1974 || align="right"| 4
|----
| align="left" |  13    || 1987 || align="right"| 5
|----
| align="left" |  12    || 1999 || align="right"| 6
|----
| align="left" |  12    || 2011 || align="right"| 7
|----
| align="left" |  14    || 2025* || align="right"| 8
|----
| align="left" |  18    || 2043* || align="right"| 9
|----
| align="left" |  40    || 2083* || align="right"| 10
|-----
| align="left" colspan=3 | <small>* [[UNFPA]]</br />United Nations Population Fund<br /> estimate 31.10.2011 </small>
|}
 
==Determinants of population growth==
 
Four factors determine population growth for a given geographical area - births ('''B'''), deaths ('''D'''), immigration rate ('''I'''), and emigration rate ('''E'''):
 
growth rate of population = (B-D)+(I-E)
 
In other words, the population growth of a period can be calculated in two parts, [[natural growth]] of population (B-D) and [[mechanical growth]] of population (I-E), in which mechanical growth of population is mainly affected by social factors, e.g. advanced economies may grow faster while backward economies grow slowly or even experience negative growth. (Growth can be both positive or negative i.e. growth can increase or decrease.)
 
==Population growth rate==
In demographics and [[ecology]], the "population growth rate" is the rate at which the number of individuals in a population increases in a given time period as a fraction of the initial population. Specifically, population growth rate refers to the change in population over a unit time period, often expressed as a [[percentage]] of the number of individuals in the population at the beginning of that period. This can be written as the formula:
 
:<math>pop\ growth\ rate = \frac{ P(t_2)  -  P(t_1)} {P(t_1)}</math>
 
The most common way to express population growth is as a percentage. That is:
 
:<math>\mathrm{percentage\ growth} = \mathrm{pop\ growth\ rate} \times 100.</math>
 
A positive growth ratio (or rate) indicates that the population is increasing, while a negative growth ratio indicates the population is decreasing. A growth ratio of zero indicates that there were the same number of people at the two times—net difference between births, deaths  a growth rate may be zero even when there are significant changes in the [[birth rate]]s, [[death rate]]s, [[immigration rate]]s, and age distribution between the two times.<ref>[http://www.apheo.ca/index.php?pid=61 Association of Public Health Epidemiologists in Ontario]</ref>
 
A related measure is the [[net reproduction rate]]. In the absence of migration, a net reproduction rate of more than one indicates that the population of women is increasing, while a net reproduction rate less than one ([[sub-replacement fertility]]) indicates that the population of women is decreasing.
 
==Excessive growth and decline==
{{main|Human overpopulation|Population decline}}
 
Population exceeding the [[carrying capacity]] of an area or environment is called [[overpopulation (biology)|overpopulation]]. It may be caused by growth in population or by reduction in capacity. Spikes in human population can cause problems such as [[pollution]] and [[traffic congestion]], these might be resolved or worsened by technological and economic changes. Conversely, such areas may be considered "underpopulated" if the population is not large enough to maintain an [[economic system]] (see [[population decline]]). Between these two extremes sits the notion of the [[optimum population]].
 
==Human population growth rate==
{{Main|Total fertility rate}}
 
[[File:Countriesbyfertilityrate.svg|thumb|350px|A world map showing global variations in [[fertility rate]] per woman, according to the [[The World Factbook|CIA World Factbook]]'s 2013 data.
{{col-begin}}
{{col-break}}
{{legend|#AE23AE|7–8 children}}
{{legend|#FF00FF|6–7 children}}
{{col-break}}
{{legend|#FF0000|5–6 children}}
{{legend|#FF6600|4–5 children}}
{{col-break}}
{{legend|#FFFF00|3–4 children}}
{{legend|#00FF00|2–3 children}}
{{col-break}}
{{legend|#20DFD8|1–2 children}}
{{legend|#35B0E3|0–1 children}}
{{col-end}}]]
[[File:World population (UN).svg|thumb|350px|Estimates of population evolution in different [[continent]]s between 1950 and 2050, according to the United Nations. The vertical axis is [[Logarithmic scale|logarithmic]] and is in millions of people.]]
[[File:World population growth rate 1950–2050.svg|thumb|350px|Growth rate of world population (1950–2050).]]
 
Globally, the growth rate of the [[World population|human population]] has been declining since peaking in 1962 and 1963 at 2.20% per annum. In 2009, the estimated annual growth rate was 1.1%.<ref name="U.S. Census Bureau, January 2010">[http://www.census.gov/ipc/www/idb/worldpop.php U.S. Census Bureau, January 2010]</ref> The [[CIA World Factbook]] gives the world annual birthrate, mortality rate, and growth rate as 1.89%, 0.79%, and 1.096% respectively.<ref>[https://www.cia.gov/library/publications/the-world-factbook/geos/xx.html World Factbook ]</ref> The last 100&nbsp;years have seen a rapid increase in population due to [[History of medicine#Modern medicine|medical advances]] and massive increase in agricultural productivity<ref>[http://news.bbc.co.uk/1/hi/world/south_asia/4994590.stm BBC NEWS | The end of India's green revolution?]</ref> made possible by the [[Green Revolution]].<ref>[http://www.foodfirst.org/media/opeds/2000/4-greenrev.html Food First/Institute for Food and Development Policy]</ref><ref>[http://www.csmonitor.com/2007/0724/p01s01-wogi.html Rising food prices curb aid to global poor]</ref><ref>[http://www.finfacts.com/irelandbusinessnews/publish/article_1011078.shtml Record rise in wheat price prompts UN official to warn that surge in food prices may trigger social unrest in developing countries]</ref>
 
The trend is shown in the graph at right. Actual measured data are given to 2010 and extrapolated estimates beyond that. If the linear trend holds and growth rate continues to decline, population growth rate will fall to zero in about 2080. Population will peak and begin declining thereafter. The Malthus exponential model, modified to reflect the linear growth rate trend, suggests that world population will peak at about 10.3 billion. This, of course, is speculative but is consistent with other models showing a population peak in the latter part of the 21st century.
 
The actual annual growth in the number of humans fell from its peak of 88.0&nbsp;million in 1989, to a low of 73.9&nbsp;million in 2003, after which it rose again to 75.2&nbsp;million in 2006. Since then, annual growth has declined. In 2009, the human population increased by 74.6&nbsp;million, which is projected to fall steadily to about 41&nbsp;million per annum in 2050, at which time the population will have increased to about 9.2&nbsp;billion.<ref name="U.S. Census Bureau, January 2010"/> Each region of the globe has seen great reductions in growth rate in recent decades, though growth rates remain above 2% in some countries of the [[Middle East]] and [[Sub-Saharan Africa]], and also in [[South Asia]], [[Southeast Asia]], and [[Latin America]].<ref>[http://www.census.gov/ipc/www/idb/worldpop.php U.S. Census Bureau, June 2009]</ref>
 
Some countries experience [[Population decline|negative population growth]], especially in [[Eastern Europe]] mainly due to low [[Total fertility rate|fertility rate]]s, high death rates and [[emigration]]. In [[Southern Africa]], growth is slowing due to the high number of [[HIV]]-related deaths. Some [[Western Europe]] countries might also encounter negative population growth.<ref>[http://esa.un.org/unpp/index.asp?panel=2 UN population projections]</ref> [[Japan]]'s population began decreasing in 2005.<ref>[http://www.guardian.co.uk/world/2009/jan/02/japan-population Japan sees biggest population fall]</ref> The United Nations Population Division expects world population to peak at over 10&nbsp;billion at the end of the 21st century but Sanjeev Sanyal has argued that global fertility will fall below replacement rates in the 2020s and that world population will peak below 9&nbsp;billion by 2050 followed by a long decline.<ref>[http://www.project-syndicate.org/commentary/the-end-of-population-growth]</ref>
 
==Growth by country==
According to [[United Nations]] population statistics, the world population grew by 30%, or 1.6&nbsp;billion people, between 1990 and 2010.<ref name="UN">[http://esa.un.org/unpd/wpp/unpp/Panel_profiles.htm World Population Prospects, the 2010 Revision]</ref> In number of people the increase was highest in [[India]] 350&nbsp;million and [[China]] 196&nbsp;million. Population growth was among highest in the [[United Arab Emirates]] (315%) and [[Qatar]] (271%).<ref name="UN" />
 
{| class="wikitable sortable"
|+ Growth rates of the world's most populous countries
|-
!Rank
!Country
!Population <br>2010
!Population <br>1990
!Growth (%)<br>1990–2010
|-
|
| {{noflag}} World
| align="right"|6,895,889,000
| align="right"|5,306,425,000
| align="right"|30.0%
|-
| 1
| {{flag|China}}
| align="right"|1,341,335,000
| align="right"|1,145,195,000
| align="right"|17.1%
|-
| 2
| {{flag|India}}
| align="right"|1,224,614,000
| align="right"|873,785,000
| align="right"|40.2%
|-
| 3
| {{flag|United States}}
| align="right"|310,384,000
| align="right"|253,339,000
| align="right"|22.5%
|-
| 4
| {{flag|Indonesia}}
| align="right"|239,871,000
| align="right"|184,346,000
| align="right"|30.1%
|-
| 5
| {{flag|Brazil}}
| align="right"|194,946,000
| align="right"|149,650,000
| align="right"|30.3%
|-
| 6
| {{flag|Pakistan}}
| align="right"|173,593,000
| align="right"|111,845,000
| align="right"|55.3%
|-
| 7
| {{flag|Nigeria}}
| align="right"|158,423,000
| align="right"|97,552,000
| align="right"|62.4%
|-
| 8
| {{flag|Bangladesh}}
| align="right"|148,692,000
| align="right"|105,256,000
| align="right"|41.3%
|-
| 9
| {{flag|Russia}}
| align="right"|142,958,000
| align="right"|148,244,000
| align="right"|-3.6%
|-
| 10
| {{flag|Japan}}
| align="right"|128,057,000
| align="right"|122,251,000
| align="right"|4.7%
|-
|}
 
===1960s to 2010 table of population growth===
{| class="wikitable" style="float: right; clear:right; margin-left: 10px"
! colspan="2" align=center style="background-color: #cfb;"  | Population growth  1990–2008 (%)<ref name=IEAco-2011>[http://www.iea.org/co2highlights/co2Highlights.XLS CO2 Emissions from Fuel Combustion] Population 1971–2008 IEA</ref>
|-----
|  align="left" | [[Africa]] || align="right"| 55%
|-----
| align="left" | [[Middle East]] || align="right"| 51%
|-----
|  align="left" | [[Asia]] || align="right"| 35%
|-----
| align="left" | [[Latin America]] || align="right"| 30%
|-----
|  align="left" | [[OECD]] [[North America]] || align="right"| 24%
|-----
| align="left" | OECD [[Europe]] || align="right"| 9%
|-----
| align="left" | OECD [[Pacific]] || align="right"| 8%
|-----
| align="left" | [[Former Soviet Union]] || align="right"| −1%
|-----
| align="left" | Non-OECD Europe || align="right"| −11%
|-
|}
 
Many of the world's countries, including many in [[Sub-Saharan Africa]], the [[Middle East]], [[South Asia]] and [[South East Asia]], have seen a sharp rise in population since the end of the [[Cold War]]. The fear is that high population numbers are putting further strain on natural resources, food supplies, fuel supplies, employment, housing, etc. in some the less fortunate countries. For example, the population of [[Chad]] has ultimately grown from 6,279,921 in 1993 to 10,329,208 in 2009,<ref name="cia"/> further straining its resources. [[Vietnam]], [[Mexico]], [[Nigeria]], [[Egypt]], [[Ethiopia]], and the [[Democratic Republic of the Congo|DRC]] are witnessing a similar growth in population.
 
The situation was most acute in northern, western and central Africa. Refugees from places like the [[Sudan]] have helped further strain the resources of neighbouring states like Chad and Egypt. The nation is also host to roughly 255,000 [[refugee]]s from Sudan's [[Darfur]] region, and about 77,000 refugees from the [[Central African Republic]], while approximately 188,000 Chadians have been displaced by their own civil war and famines, have either fled to either the Sudan, the Niger, or more recently, [[Libya]].
 
{| class="wikitable sortable"
|-
! Example nation !! 1st Population total.!! 2nd Population total.!! 3rd Population total.!!4th Population total.!!5th Population total.!!Life expectancy in years. !!Total population growth from 1st Pop. Total to 5th Pop. Total.
|-
|[[Eritrea]]* || N/A* ||N/A*|| 3,437,000(1994)<ref name="collins student atlas"/> ||4,298,269 (2002) || 5,673,520 (2008)<ref>
url=http://www.un.org/esa/population/publications/wpp2008/wpp2008_text_tables.pdf</ref>||61 (2008)<ref name="ReferenceB">'Modern School Atlas (96th edition)', ISBN 978-1-84907-013-3.</ref>||2,236,520 (since independence)
|-
| [[Ethiopia]]* ||23,457,000(1967)*<ref name="ReferenceOxford Atlas">The British Oxford economic atlas of the World 4th edition, ISBN 0-19-894107-2</ref>||50,974,000(1990)* <ref name="ReferenceC">The British Collins Atlas of the World, the 1993 edition, ISBN 0-00-448038-4</ref> || 54,939,000(1994) <ref name="collins student atlas">The British ''Collins Longman Student Atlas'', the 1996 and in 1998 publications, ISBN 978-0-00-448879-0 for the 1998 edition, ISBN 0-00-448365-0 for the 1996 edition</ref> || 67,673,031(2003) ||79,221,000(2008)<ref name="csa.gov.et">[http://www.csa.gov.et/surveys/National%20statistics/national%20statistics%202007/Population.pdf Ethiopia Central Statistics Office -- Population Projection for mid-2008]</ref>|| 55(2008)<ref name="ReferenceB"/>|| 55,764,000
|-
| [[Sudan]]**||14,355,000(1967)**<ref name="ReferenceOxford Atlas"/> ||25,204,000(1990)** <ref name="ReferenceC"/> || 27,361,000 (1994)**<ref name="collins student atlas"/> || 38,114,160 (2003)** || 42,272,000(2008)**<ref>{{cite journal | url=http://www.un.org/esa/population/publications/wpp2008/wpp2008_text_tables.pdf | title=World Population Prospects, Table A.1| version=2008 revision | format=PDF | publisher=United Nations | author=Department of Economic and Social Affairs}}</ref>||50(2008)**<ref name="ReferenceB"/>|| 27,917,000
|-
| [[Chad]] ||3,410,000(1967)<ref name="ReferenceOxford Atlas"/> ||5,679,000(1990) <ref name="ReferenceC"/> || 6,183,000 (1994)<ref name="collins student atlas"/> ||9,253,493(2003) ||10,329,208 (2009)<ref name="cia"/>||47(2008)<ref name="ReferenceB"/>|| 6,919,205
|-
| [[Niger]]||3,546,000(1967)<ref name="ReferenceOxford Atlas"/>||7,732,000(1990) <ref name="ReferenceC"/> || 8,846,000(1994)<ref name="collins student atlas"/>  || 10,790,352 (2001) || 15,306,252 (2009)<ref>{{cite web |author=Central Intelligence Agency |authorlink=CIA |publisher=[[The World Factbook]]|title=Niger |url=https://www.cia.gov/library/publications/the-world-factbook/geos/ng.html |year=2009|accessdate=January 10, 2010}}</ref>||44 (2008)<ref name="ReferenceB"/>|| 11,760,252
|-
|[[Nigeria]]||61,450,000(1967)<ref name="ReferenceOxford Atlas"/>||88,500,000(1990) <ref name="ReferenceC"/> ||108,467,000 (1994)<ref name="collins student atlas"/> ||129,934,911 (2002)||158,259,000 (2008)<ref name="Department of Economic and Social Affairs Population Division 2009">{{cite journal | url=http://www.un.org/esa/population/publications/wpp2008/wpp2008_text_tables.pdf | title=World Population Prospects, Table A.1| version=2008 revision  | format=PDF | publisher=United Nations | author=Department of Economic and Social Affairs Population Division | year=2009 | accessdate= 2009-03-12}}</ref>||47(2008)<ref name="ReferenceB"/>|| 96,809,000
|-
|[[Mali]]||4,745,000(1967)<ref name="ReferenceOxford Atlas"/>||8,156,000(1990),<ref name="ReferenceC"/> ||10,462,000(1994)<ref name="collins student atlas"/>||11,340,480(2002)||14,517,176(2010).<ref name=census>{{cite web|url=http://instat.gov.ml/voir_actu.aspx?lactu=44 |title=Mali preliminary 2009 census|publisher=Institut National de la Statistique|accessdate=January 12, 2010}}</ref>||50(2008)<ref name="ReferenceB"/>|| 9,772,176
|-
| [[Mauritania]] ||1,050,000(1967)<ref name="ReferenceOxford Atlas"/> ||2,025,000(1990) <ref name="ReferenceC"/> || 2,211,000 (1994)<ref name="collins student atlas"/> ||2,667,859 (2003) ||3,291,000 (2009)<ref name="cia"/>||54(2008)<ref name="ReferenceB"/>|| 2,241,000
|-
| [[Senegal]]||3,607,000(1967)<ref name="ReferenceOxford Atlas"/>||7,327,000(1990) <ref name="ReferenceC"/> ||8,102,000 (1994) <ref name="collins student atlas"/> ||9,967,215(2002)||13,711,597 (2009)<ref>{{cite web |author=Central Intelligence Agency |authorlink=CIA |publisher=[[The World Factbook]]|title=Senegal |url=https://www.cia.gov/library/publications/the-world-factbook/geos/sg.html |year=2009|accessdate=January 10, 2010}}</ref>||57(2008)<ref name="ReferenceB"/>|| 10,104,597
|-
|[[Gambia]]||343,000(1967)<ref name="ReferenceOxford Atlas"/>||861,000(1990) <ref name="ReferenceC"/> ||1,081,000 (1994)<ref name="collins student atlas"/> ||1,367,124 (2000)||1,705,000(2008)<ref name="Department of Economic and Social Affairs Population Division 2009"/>||55(2008)<ref name="ReferenceB"/>|| 1,362,000
|-
| [[Algeria]] || 11,833,126  (1966)<ref name="ReferenceOxford Atlas"/>||  25,012,000 (1990) <ref name="ReferenceC"/> || 27,325,000  (1994) <ref name="collins student atlas"/> || 32,818,500 (2003) ||34,895,000<ref name="csa.gov.et"/><ref name=unpop>{{cite journal | url=http://www.un.org/esa/population/publications/wpp2010/wpp2010_text_tables.pdf | title=World Population Prospects, Table A.1| version=2008 revision | format=PDF | publisher=United Nations | author=Department of Economic and Social Affairs Population Division | year=2010 | accessdate= 2009-03-12}}{{Dead link|date=October 2010|bot=H3llBot}}</ref>(2008)|| 74  (2008)<ref name="ReferenceB"/>|| 23,061,874
|-
| [[The DRC]]/Zaire||  16,353,000(1967)<ref name="ReferenceOxford Atlas"/>||  35,562,000 (1990) <ref name="ReferenceC"/> ||  42,552,000 (1994) <ref name="collins student atlas"/> || 55,225,478  (2003) || 70,916,439  (2008) <ref name="csa.gov.et"/><ref name="cia.govx">[https://www.cia.gov/library/publications/the-world-factbook/geos/cg.html The World Factbook- Congo, Democratic Republic of the.] Central Intelligence Agency.</ref>||  54(2008)<ref name="ReferenceB"/>|| 54,563,439
|-
| [[Egypt]] || 30,083,419  (1966)<ref name="ReferenceOxford Atlas"/>|| 53,153,000  (1990) <ref name="ReferenceC"/> ||  58,326,000 (1994) <ref name="collins student atlas"/> || 70,712,345 (2003) || 79,089,650 <ref name=popclock/><ref name=popclock>{{cite web|url=http://www.msrintranet.capmas.gov.eg/pls/fdl/tst12e?action=&lname= |title=Central Agency for Population Mobilisation and Statistics&nbsp;— Population Clock (July 2008) |publisher=Msrintranet.capmas.gov.eg |date= |accessdate=2010-08-25}}</ref> (2008) <ref name="csa.gov.et"/>|| 72 (2008)<ref name="ReferenceB"/>|| 49,006,231
|-
| [[Réunion]] (French colony)||418,000 (1967)<ref name="ReferenceOxford Atlas"/>|| N/A (1990) <ref name="ReferenceC"/> ||N/A (1994)<ref name="collins student atlas"/> || 720,934 (2003)|| 827,000 (2009) <ref name=unpop>{{cite journal | url=http://www.un.org/esa/population/publications/wpp2008/wpp2008_text_tables.pdf | title=World Population Prospects, Table A.1| version=2008 revision  | format=PDF | publisher=United Nations | author=Department of Economic and Social Affairs
Population Division | year=2009 | accessdate= 2009-03-12}}</ref>||N/A (2008)<ref name="ReferenceB"/>|| 409,000
|-
| The [[Falkland Islands]] (UK Territory)||2,500(1967)<ref name="ReferenceOxford Atlas"/>|| N/A (1990) <ref name="ReferenceC"/> || N/A (1994)<ref name="collins student atlas"/> || 2,967 (2003) || 3,140(2010)<ref name=cia>{{cite web
  |url = https://www.cia.gov/library/publications/the-world-factbook/geos/fk.html
  |title = Falkland Islands (Islas Malvinas)
  |publisher=The World Factbook
  |publisher=CIA
  |accessdate = 5 March 2010}}</ref>
|| N/A (2008)<ref name="ReferenceB"/>|| 640
|-
| [[Chile]]||8,935,500(1967)<ref name="ReferenceOxford Atlas"/>||13,173,000 (1990) <ref name="ReferenceC"/> || 13,994,000(1994)<ref name="collins student atlas"/> || 15,116,435 (2002) || 17,224,200 (2011) ||77 (2008)<ref name="ReferenceB"/>|| 8,288,700
|-
| [[Colombia]]||19,191,000(1967)<ref name="ReferenceOxford Atlas"/>|| 32,987,000(1990) <ref name="ReferenceC"/> || 34,520,000(1994)<ref name="collins student atlas"/> || 41,088,227 (2002) || 45,925,397(2010)<ref name="DANE clock">{{cite web|url=http://www.dane.gov.co/reloj/reloj_animado.php |title=Departamento Administrativo Nacional de Estadística |publisher=Dane.gov.co |date= |accessdate=2010-08-22}}</ref> ||73 (2008)<ref name="ReferenceB"/>|| 26,734,397
|-
| [[Brazil]]||85,655,000(1967)<ref name="ReferenceOxford Atlas"/>||150,368,000 (1990) <ref name="ReferenceC"/> ||153,725,000 (1994)<ref name="collins student atlas"/> || 174,468,575 (2000) || 190,732,694(2010) <ref>IBGE. [http://www.ibge.gov.br/home/presidencia/noticias/noticia_visualiza.php?id_noticia=1766&id_pagina=1 Censo 2010: população do Brasil é de 190.732.694 pessoas].</ref>|| 72(2008)<ref name="ReferenceB"/>|| 105,077,694
|-
| [[Mexico]]||45,671,000(1967)<ref name="ReferenceOxford Atlas"/>|| 86,154,000(1990) <ref name="ReferenceC"/> || 93,008,000(1994)<ref name="collins student atlas"/> || 103,400,165 (2000)||112,322,757(2010)<ref name="INEGI 2010 Census Statistics">{{cite web|url=http://www.inegi.org.mx/inegi/contenidos/espanol/prensa/comunicados/rpcpyv10.asp |title=INEGI 2010 Census Statistics|publisher=inegi.org.mx |accessdate=2010-11-25}}</ref>||76(2008)<ref name="ReferenceB"/>|| 66,651,757
|-
| [[Fiji]] ||476,727 (1966)<ref name="ReferenceOxford Atlas"/>|| 765,000(1990) <ref name="ReferenceC"/> ||771,000 (1994)<ref name="collins student atlas"/> || 844,330 (2001) ||  849,000<ref name="unpop"/> (2010)||70 (2008)<ref name="ReferenceB"/>|| 372,273
|-
| [[Nauru]]||6,050(1966)<ref name="ReferenceOxford Atlas"/>||10,000(1990) <ref name="ReferenceC"/> ||N/A (1994)<ref name="collins student atlas"/> ||12,329 (2002)||9,322 (2011)<ref name=CIA>{{cite web|author=Central Intelligence Agency |authorlink=Central Intelligence Agency |publisher=[[The World Factbook]]|title=Nauru |url=https://www.cia.gov/library/publications/the-world-factbook/geos/nr.html |year=2011|accessdate=12 February 2011}}</ref>||N/A (2008)<ref name="ReferenceB"/>|| 3,272
|-
| [[Jamaican]] ||1,876,000 (1967)<ref name="ReferenceOxford Atlas"/>|| 2,420,000 (1990) <ref name="ReferenceC"/> || 2,429,000 (1994)<ref name="collins student atlas"/> || 2,695,867 (2003)|| 2,847,232<ref>https://www.cia.gov/library/publications/the-world-factbook/geos/jm.html</ref>(2010)||74 (2008)<ref name="ReferenceB"/>|| 971,232
|-
| [[Australia]] ||11,540,764 (1964)<ref name="ReferenceOxford Atlas"/>|| 17,086,000 (1990) <ref name="ReferenceC"/> || 17,843,000 (1994)<ref name="collins student atlas"/> || 19,546,792 (2003)||{{formatnum:{{#expr: 22579660 + (86400 / 97) * {{Age in days|2011|4|12}} round 0}}}}<!--AUTOUPDATES DAILY at 09:30 UTC, Australia pop clock adds 1 person every 97 seconds --><ref>{{cite web|url=http://www.abs.gov.au/ausstats/abs@.nsf/94713ad445ff1425ca25682000192af2/1647509ef7e25faaca2568a900154b63?OpenDocument|title=Population clock|work=[[Australian Bureau of Statistics]] website|publisher=Commonwealth of Australia|accessdate=12 April 2011}} The population estimate shown is automatically calculated daily at 00:00 UTC and is based on data obtained from the population clock on the date shown in the citation.</ref> (2010)||82 (2008)<ref name="ReferenceB"/>|| 11,066,508
|-
| [[Albania]] ||1,965,500(1964)<ref name="ReferenceOxford Atlas"/>|| 3,250,000 (1990) <ref name="ReferenceC"/> || 3,414,000 (1994)<ref name="collins student atlas"/> || 3,510,484 (2002) ||2,986,952 (July 2010 est.)<ref name=cia/><ref>[http://www.google.com/publicdata/explore?ds=n4ff2muj8bh2a_&ctype=l&strail=false&nselm=h&met_y=POP&hl=en&dl=en#ctype=l&strail=false&nselm=h&met_y=POP&fdim_y=scenario:1&scale_y=lin&ind_y=false&rdim=world&idim=country:AL&hl=en&dl=en Population Forecast to 2060 by International Futures hosted by Google Public Data Explorer]</ref> (2010)||78 (2008)<ref name="ReferenceB"/>|| 1,021,452
|-
| [[Poland]]||31,944,000(1967)<ref name="ReferenceOxford Atlas"/>||38,180,000 (1990) <ref name="ReferenceC"/> ||38,554,000 (1994)<ref name="collins student atlas"/> || 38,626,349 (2001)||38,192,000(2010)<ref>{{cite web|url=http://wiadomosci.wp.pl/kat,1347,title,Wzrasta-liczba-ludnosci-Polski,wid,12502858,wiadomosc.html |title=Wzrasta liczba ludności Polski - Wiadomości - WP.PL |publisher=Wiadomosci.wp.pl |date=2010-07-23 |accessdate=2010-07-27}}</ref> ||75 (2008)<ref name="ReferenceB"/>|| 6,248,000
|-
| [[Hungary]]||10,212,000(1967)<ref name="ReferenceOxford Atlas"/>||10,553,000 (1990) <ref name="ReferenceC"/> ||10,261,000 (1994)<ref name="collins student atlas"/> || 10,106,017 (2002)||9,979,000(2010)<ref name="KSH">[http://portal.ksh.hu/pls/ksh/docs/hun/xstadat/xstadat_evkozi/e_wdsd001a.html Hungarian Central Statistical Office]. Retrieved 25 July 2010.</ref>|| 73 (2008)<ref name="ReferenceB"/>|| -142,000
|-
| [[Bulgaria]]||8,226,564(1965)<ref name="ReferenceOxford Atlas"/>||8,980,000 (1990) <ref name="ReferenceC"/> ||8,443,000 (1994)<ref name="collins student atlas"/> ||7,707,495(2000)||7,351,234 (2011)<ref>http://www.nsi.bg/EPDOCS/Census2011pr.pdf</ref> ||73 (2008)<ref name="ReferenceB"/>|| -875,330
|-
| [[UK]] || 55,068,000 (1966)<ref name="ReferenceOxford Atlas"/>|| 57,411,000  (1990) <ref name="ReferenceC"/> || 58,091,000  (1994) <ref name="collins student atlas"/> ||58,789,194 (2002)|| 62,008,048 (2010)<ref>{{cite web |url= http://epp.eurostat.ec.europa.eu/tgm/table.do?tab=table&language=en&pcode=tps00001&tableSelection=1&footnotes=yes&labeling=labels&plugin=1 |title=Total population at 1&nbsp;January |publisher=Eurostat |date =11 March 2011 |accessdate =29 April 2011}}</ref>||79(2008)<ref name="ReferenceB"/>|| 7,020,048
|-
| [[Ireland]]/Éire ||2,884,002(1966)<ref name="ReferenceOxford Atlas"/>|| 3,503,000(1990) <ref name="ReferenceC"/> || 3,571,000 (1994)<ref name="collins student atlas"/> ||3,840,838 (2000)|| 4,470,700 <ref name="europa1">{{cite web|url=http://www.cso.ie/releasespublications/documents/population/current/popmig.pdf |title=CSO – Population and Migration Estimates April 2010 |format=PDF |date=September 2010 |accessdate=21 September 2010}}</ref> (2010)||78 (2008)<ref name="ReferenceB"/>|| 1,586,698
|-
| The [[PRC]]/China||720,000,000(1967)<ref name="ReferenceOxford Atlas"/>|| 1,139,060,000(1990) <ref name="ReferenceC"/> ||1,208,841,000 (1994)<ref name="collins student atlas"/> || 1,286,975,468 (2004)|| 1,339,724,852(2010)<ref name="Census2010">[http://www.stats.gov.cn/english/newsandcomingevents/t20110428_402722244.htm Communiqué of the National Bureau of Statistics of People's Republic of China on Major Figures of the  2010 Population Census]</ref>||73 (2008)<ref name="ReferenceB"/>|| 619,724,852
|-
| [[Japan]]*** ||98,274,961(1965)<ref name="ReferenceOxford Atlas"/>||123,537,000(1990) <ref name="ReferenceC"/> ||124,961,000 (1994)<ref name="collins student atlas"/> ||127,333,002  (2002)||127,420,000 (2010)<ref>[http://www.stat.go.jp/english/data/jinsui/tsuki/index.htm Official Japan Statistics Bureau estimate]</ref>||82(2008)<ref name="ReferenceB"/>|| 28,123,865
|-
| [[Ryukyu Islands]] (Once occupied by the US)*** ||934,176(1965)<ref name="ReferenceOxford Atlas"/>||—||—||—||—||—||—
|-
| [[India]]#||511,115,000 (1967)<ref name="ReferenceOxford Atlas"/>||843,931,000 (1990) <ref name="ReferenceC"/> ||918,570,000 (1994)<ref name="collins student atlas"/> ||1,028,610,328 (2001) || 1,210,193,422(2011)<ref name="pop">{{cite web|url=http://www.censusindia.gov.in/2011-prov-results/indiaatglance.html|title=Provisional Population Totals - Census 2011|work=|publisher=Indian Census Bureau 2011|accessdate=2011-03-29}}</ref> ||69  (2008)<ref name="ReferenceB"/>|| 699,078,422
|-
|}
 
;Notes
:<nowiki>*</nowiki> [[Eritrea]] left [[Ethiopia]] in 1991.
:<nowiki>**</nowiki> Split into the nations of [[Sudan]] and [[Southern Sudan]] during 2011.
:<nowiki>***</nowiki> Merged in 1972.
:<nowiki>#</nowiki> Merged in 1975.
 
==Into the future==
{{main|Projections of population growth}}
 
According to UN's 2010 revision to its population projections, world population will peak at 10.1bn in 2100 compared to 7bn in 2011.<ref>http://esa.un.org/wpp/Documentation/publications.htm</ref> However, some experts dispute the UN's forecast and have argued that birthrates will fall below replacement rate in the 2020s. According to these forecasters, population growth will be only sustained till the 2040s by rising longevity but will peak below 9bn by 2050.<ref>http://www.project-syndicate.org/commentary/the-end-of-population-growth</ref>
 
==See also==
{{col-begin}}
{{col-break}}
*[[Baby boom]]
*[[Biological exponential growth]]
*[[Compound annual growth rate]]
*[[Demographic momentum]]
*[[Demographic transition]]
*[[Density dependence]]
*[[Doubling time]]
*[[Exponential growth]]
{{col-break}}
*[[List of countries by population growth rate]]
*[[List of sovereign states and dependent territories by fertility rate]]
*[[Logistic function]] - concept related to logistic model
*[[Natalism]] and [[Antinatalism]]
*[[Population bottleneck]]
*[[Rank mobility index]]
*[[Ronald Fisher]] - who referred to the population growth rate as the ''Malthusian Parameter''
{{col-end}}
 
==References==
{{reflist|30em}}
 
==External links==
*[http://esa.un.org/unpd/wpp/index.html World Population Prospects, the 2010 Revision], Website of the United Nations Population Division
*[http://esa.un.org/unpd/ppp/index.html Probabilistic Population Projections, 2nd Revision], Website of the United Nations Population Division
*[http://www.populationpress.org/publication/index.html 2008 Essays on Population Growth] Blue Planet United&nbsp;— Population Press
*[http://www.census.gov/ipc/www/idb/worldpopinfo.php World population growth and trends 1950-2050] US Census
*[http://www.acunu.org/millennium/sof2006.html UN University annual "State of the Future" report, including updates on Millennium Project goals including balancing global population growth & resources]
*[http://news.bbc.co.uk/1/hi/sci/tech/6219922.stm BBC News - Birth rate 'harms poverty goals'] - 08/12/06
*[http://www.carbon-projects.co.uk/earth_clock.htm Visual representation of global population and other statistics]
*Tsirel, S. V. 2004. [http://www.mmsed.narod.ru/articles/artTsirel.ps On the Possible Reasons for the Hyperexponential Growth of the Earth Population]. ''Mathematical Modeling of Social and Economic Dynamics'' / Ed. by M. G. Dmitriev and A. P. Petrov, pp.&nbsp;367–9. Moscow: Russian State Social University, 2004.
*{{cite web|url=http://www.gapminder.org/videos/what-stops-population-growth/|title=What stops population growth?|last=Rosling|first=Hans|date=25 January 2009|work=Gapminder|accessdate=2009-07-06}}
 
{{Population}}
 
[[Category:Demography]]
[[Category:Ecological metrics]]
[[Category:Environmental issues with population]]
[[Category:Population ecology]]

Revision as of 20:07, 28 January 2014

The estimated size of human population from 10,000 BCE–2000 CE.

Population growth is the change in a population over time, and can be quantified as the change in the number of individuals of any species in a population using "per unit time" for measurement. In biology, the term population growth is likely to refer to any known organism, but this article deals mostly with the application of the term to human populations in demography.

Population growth rates might have declined, but in 2013 every 60 minutes there are another 8,000 people in the world: about 75 million every year.[1]

In demography, population growth is used informally for the more specific term population growth rate (see below), and is often used to refer specifically to the growth of the human population of the world.

Simple models of population growth include the Malthusian Growth Model and the logistic model.

The world population grew from 1 billion to 7 billion from 1800 to 2011. During the year 2011, according to estimates, 135 million people were born and 57 million died, for an increase in population of 78 million.[2]

Population[2]
Years Passed Year Billion
- 1800 1
127 1927 2
33 1960 3
14 1974 4
13 1987 5
12 1999 6
12 2011 7
14 2025* 8
18 2043* 9
40 2083* 10
* UNFPA
United Nations Population Fund
estimate 31.10.2011

Determinants of population growth

Four factors determine population growth for a given geographical area - births (B), deaths (D), immigration rate (I), and emigration rate (E):

growth rate of population = (B-D)+(I-E)

In other words, the population growth of a period can be calculated in two parts, natural growth of population (B-D) and mechanical growth of population (I-E), in which mechanical growth of population is mainly affected by social factors, e.g. advanced economies may grow faster while backward economies grow slowly or even experience negative growth. (Growth can be both positive or negative i.e. growth can increase or decrease.)

Population growth rate

In demographics and ecology, the "population growth rate" is the rate at which the number of individuals in a population increases in a given time period as a fraction of the initial population. Specifically, population growth rate refers to the change in population over a unit time period, often expressed as a percentage of the number of individuals in the population at the beginning of that period. This can be written as the formula:

The most common way to express population growth is as a percentage. That is:

A positive growth ratio (or rate) indicates that the population is increasing, while a negative growth ratio indicates the population is decreasing. A growth ratio of zero indicates that there were the same number of people at the two times—net difference between births, deaths a growth rate may be zero even when there are significant changes in the birth rates, death rates, immigration rates, and age distribution between the two times.[3]

A related measure is the net reproduction rate. In the absence of migration, a net reproduction rate of more than one indicates that the population of women is increasing, while a net reproduction rate less than one (sub-replacement fertility) indicates that the population of women is decreasing.

Excessive growth and decline

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Population exceeding the carrying capacity of an area or environment is called overpopulation. It may be caused by growth in population or by reduction in capacity. Spikes in human population can cause problems such as pollution and traffic congestion, these might be resolved or worsened by technological and economic changes. Conversely, such areas may be considered "underpopulated" if the population is not large enough to maintain an economic system (see population decline). Between these two extremes sits the notion of the optimum population.

Human population growth rate

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A world map showing global variations in fertility rate per woman, according to the CIA World Factbook's 2013 data. Template:Col-begin Template:Col-break Template:Legend Template:Legend Template:Col-break Template:Legend Template:Legend Template:Col-break Template:Legend Template:Legend Template:Col-break Template:Legend Template:Legend Template:Col-end
Estimates of population evolution in different continents between 1950 and 2050, according to the United Nations. The vertical axis is logarithmic and is in millions of people.
Growth rate of world population (1950–2050).

Globally, the growth rate of the human population has been declining since peaking in 1962 and 1963 at 2.20% per annum. In 2009, the estimated annual growth rate was 1.1%.[4] The CIA World Factbook gives the world annual birthrate, mortality rate, and growth rate as 1.89%, 0.79%, and 1.096% respectively.[5] The last 100 years have seen a rapid increase in population due to medical advances and massive increase in agricultural productivity[6] made possible by the Green Revolution.[7][8][9]

The trend is shown in the graph at right. Actual measured data are given to 2010 and extrapolated estimates beyond that. If the linear trend holds and growth rate continues to decline, population growth rate will fall to zero in about 2080. Population will peak and begin declining thereafter. The Malthus exponential model, modified to reflect the linear growth rate trend, suggests that world population will peak at about 10.3 billion. This, of course, is speculative but is consistent with other models showing a population peak in the latter part of the 21st century.

The actual annual growth in the number of humans fell from its peak of 88.0 million in 1989, to a low of 73.9 million in 2003, after which it rose again to 75.2 million in 2006. Since then, annual growth has declined. In 2009, the human population increased by 74.6 million, which is projected to fall steadily to about 41 million per annum in 2050, at which time the population will have increased to about 9.2 billion.[4] Each region of the globe has seen great reductions in growth rate in recent decades, though growth rates remain above 2% in some countries of the Middle East and Sub-Saharan Africa, and also in South Asia, Southeast Asia, and Latin America.[10]

Some countries experience negative population growth, especially in Eastern Europe mainly due to low fertility rates, high death rates and emigration. In Southern Africa, growth is slowing due to the high number of HIV-related deaths. Some Western Europe countries might also encounter negative population growth.[11] Japan's population began decreasing in 2005.[12] The United Nations Population Division expects world population to peak at over 10 billion at the end of the 21st century but Sanjeev Sanyal has argued that global fertility will fall below replacement rates in the 2020s and that world population will peak below 9 billion by 2050 followed by a long decline.[13]

Growth by country

According to United Nations population statistics, the world population grew by 30%, or 1.6 billion people, between 1990 and 2010.[14] In number of people the increase was highest in India 350 million and China 196 million. Population growth was among highest in the United Arab Emirates (315%) and Qatar (271%).[14]

Growth rates of the world's most populous countries
Rank Country Population
2010
Population
1990
Growth (%)
1990–2010
Template:Noflag World 6,895,889,000 5,306,425,000 30.0%
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1,341,335,000 1,145,195,000 17.1%
2 Hi there! :) My name is Nannette, I'm a student studying Graduate School from Luzein, Switzerland.

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1,224,614,000 873,785,000 40.2%
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310,384,000 253,339,000 22.5%
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239,871,000 184,346,000 30.1%
5 Hi there! :) My name is Nannette, I'm a student studying Graduate School from Luzein, Switzerland.

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194,946,000 149,650,000 30.3%
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173,593,000 111,845,000 55.3%
7 Hi there! :) My name is Nannette, I'm a student studying Graduate School from Luzein, Switzerland.

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158,423,000 97,552,000 62.4%
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148,692,000 105,256,000 41.3%
9 Hi there! :) My name is Nannette, I'm a student studying Graduate School from Luzein, Switzerland.

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142,958,000 148,244,000 -3.6%
10 Hi there! :) My name is Nannette, I'm a student studying Graduate School from Luzein, Switzerland.

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128,057,000 122,251,000 4.7%

1960s to 2010 table of population growth

Population growth 1990–2008 (%)[15]
Africa 55%
Middle East 51%
Asia 35%
Latin America 30%
OECD North America 24%
OECD Europe 9%
OECD Pacific 8%
Former Soviet Union −1%
Non-OECD Europe −11%

Many of the world's countries, including many in Sub-Saharan Africa, the Middle East, South Asia and South East Asia, have seen a sharp rise in population since the end of the Cold War. The fear is that high population numbers are putting further strain on natural resources, food supplies, fuel supplies, employment, housing, etc. in some the less fortunate countries. For example, the population of Chad has ultimately grown from 6,279,921 in 1993 to 10,329,208 in 2009,[16] further straining its resources. Vietnam, Mexico, Nigeria, Egypt, Ethiopia, and the DRC are witnessing a similar growth in population.

The situation was most acute in northern, western and central Africa. Refugees from places like the Sudan have helped further strain the resources of neighbouring states like Chad and Egypt. The nation is also host to roughly 255,000 refugees from Sudan's Darfur region, and about 77,000 refugees from the Central African Republic, while approximately 188,000 Chadians have been displaced by their own civil war and famines, have either fled to either the Sudan, the Niger, or more recently, Libya.

Example nation 1st Population total. 2nd Population total. 3rd Population total. 4th Population total. 5th Population total. Life expectancy in years. Total population growth from 1st Pop. Total to 5th Pop. Total.
Eritrea* N/A* N/A* 3,437,000(1994)[17] 4,298,269 (2002) 5,673,520 (2008)[18] 61 (2008)[19] 2,236,520 (since independence)
Ethiopia* 23,457,000(1967)*[20] 50,974,000(1990)* [21] 54,939,000(1994) [17] 67,673,031(2003) 79,221,000(2008)[22] 55(2008)[19] 55,764,000
Sudan** 14,355,000(1967)**[20] 25,204,000(1990)** [21] 27,361,000 (1994)**[17] 38,114,160 (2003)** 42,272,000(2008)**[23] 50(2008)**[19] 27,917,000
Chad 3,410,000(1967)[20] 5,679,000(1990) [21] 6,183,000 (1994)[17] 9,253,493(2003) 10,329,208 (2009)[16] 47(2008)[19] 6,919,205
Niger 3,546,000(1967)[20] 7,732,000(1990) [21] 8,846,000(1994)[17] 10,790,352 (2001) 15,306,252 (2009)[24] 44 (2008)[19] 11,760,252
Nigeria 61,450,000(1967)[20] 88,500,000(1990) [21] 108,467,000 (1994)[17] 129,934,911 (2002) 158,259,000 (2008)[25] 47(2008)[19] 96,809,000
Mali 4,745,000(1967)[20] 8,156,000(1990),[21] 10,462,000(1994)[17] 11,340,480(2002) 14,517,176(2010).[26] 50(2008)[19] 9,772,176
Mauritania 1,050,000(1967)[20] 2,025,000(1990) [21] 2,211,000 (1994)[17] 2,667,859 (2003) 3,291,000 (2009)[16] 54(2008)[19] 2,241,000
Senegal 3,607,000(1967)[20] 7,327,000(1990) [21] 8,102,000 (1994) [17] 9,967,215(2002) 13,711,597 (2009)[27] 57(2008)[19] 10,104,597
Gambia 343,000(1967)[20] 861,000(1990) [21] 1,081,000 (1994)[17] 1,367,124 (2000) 1,705,000(2008)[25] 55(2008)[19] 1,362,000
Algeria 11,833,126 (1966)[20] 25,012,000 (1990) [21] 27,325,000 (1994) [17] 32,818,500 (2003) 34,895,000[22][28](2008) 74 (2008)[19] 23,061,874
The DRC/Zaire 16,353,000(1967)[20] 35,562,000 (1990) [21] 42,552,000 (1994) [17] 55,225,478 (2003) 70,916,439 (2008) [22][29] 54(2008)[19] 54,563,439
Egypt 30,083,419 (1966)[20] 53,153,000 (1990) [21] 58,326,000 (1994) [17] 70,712,345 (2003) 79,089,650 [30][30] (2008) [22] 72 (2008)[19] 49,006,231
Réunion (French colony) 418,000 (1967)[20] N/A (1990) [21] N/A (1994)[17] 720,934 (2003) 827,000 (2009) [28] N/A (2008)[19] 409,000
The Falkland Islands (UK Territory) 2,500(1967)[20] N/A (1990) [21] N/A (1994)[17] 2,967 (2003) 3,140(2010)[16] N/A (2008)[19] 640
Chile 8,935,500(1967)[20] 13,173,000 (1990) [21] 13,994,000(1994)[17] 15,116,435 (2002) 17,224,200 (2011) 77 (2008)[19] 8,288,700
Colombia 19,191,000(1967)[20] 32,987,000(1990) [21] 34,520,000(1994)[17] 41,088,227 (2002) 45,925,397(2010)[31] 73 (2008)[19] 26,734,397
Brazil 85,655,000(1967)[20] 150,368,000 (1990) [21] 153,725,000 (1994)[17] 174,468,575 (2000) 190,732,694(2010) [32] 72(2008)[19] 105,077,694
Mexico 45,671,000(1967)[20] 86,154,000(1990) [21] 93,008,000(1994)[17] 103,400,165 (2000) 112,322,757(2010)[33] 76(2008)[19] 66,651,757
Fiji 476,727 (1966)[20] 765,000(1990) [21] 771,000 (1994)[17] 844,330 (2001) 849,000[28] (2010) 70 (2008)[19] 372,273
Nauru 6,050(1966)[20] 10,000(1990) [21] N/A (1994)[17] 12,329 (2002) 9,322 (2011)[34] N/A (2008)[19] 3,272
Jamaican 1,876,000 (1967)[20] 2,420,000 (1990) [21] 2,429,000 (1994)[17] 2,695,867 (2003) 2,847,232[35](2010) 74 (2008)[19] 971,232
Australia 11,540,764 (1964)[20] 17,086,000 (1990) [21] 17,843,000 (1994)[17] 19,546,792 (2003) Expression error: Unrecognized punctuation character "[".[36] (2010) 82 (2008)[19] 11,066,508
Albania 1,965,500(1964)[20] 3,250,000 (1990) [21] 3,414,000 (1994)[17] 3,510,484 (2002) 2,986,952 (July 2010 est.)[16][37] (2010) 78 (2008)[19] 1,021,452
Poland 31,944,000(1967)[20] 38,180,000 (1990) [21] 38,554,000 (1994)[17] 38,626,349 (2001) 38,192,000(2010)[38] 75 (2008)[19] 6,248,000
Hungary 10,212,000(1967)[20] 10,553,000 (1990) [21] 10,261,000 (1994)[17] 10,106,017 (2002) 9,979,000(2010)[39] 73 (2008)[19] -142,000
Bulgaria 8,226,564(1965)[20] 8,980,000 (1990) [21] 8,443,000 (1994)[17] 7,707,495(2000) 7,351,234 (2011)[40] 73 (2008)[19] -875,330
UK 55,068,000 (1966)[20] 57,411,000 (1990) [21] 58,091,000 (1994) [17] 58,789,194 (2002) 62,008,048 (2010)[41] 79(2008)[19] 7,020,048
Ireland/Éire 2,884,002(1966)[20] 3,503,000(1990) [21] 3,571,000 (1994)[17] 3,840,838 (2000) 4,470,700 [42] (2010) 78 (2008)[19] 1,586,698
The PRC/China 720,000,000(1967)[20] 1,139,060,000(1990) [21] 1,208,841,000 (1994)[17] 1,286,975,468 (2004) 1,339,724,852(2010)[43] 73 (2008)[19] 619,724,852
Japan*** 98,274,961(1965)[20] 123,537,000(1990) [21] 124,961,000 (1994)[17] 127,333,002 (2002) 127,420,000 (2010)[44] 82(2008)[19] 28,123,865
Ryukyu Islands (Once occupied by the US)*** 934,176(1965)[20]
India# 511,115,000 (1967)[20] 843,931,000 (1990) [21] 918,570,000 (1994)[17] 1,028,610,328 (2001) 1,210,193,422(2011)[45] 69 (2008)[19] 699,078,422
Notes
* Eritrea left Ethiopia in 1991.
** Split into the nations of Sudan and Southern Sudan during 2011.
*** Merged in 1972.
# Merged in 1975.

Into the future

Mining Engineer (Excluding Oil ) Truman from Alma, loves to spend time knotting, largest property developers in singapore developers in singapore and stamp collecting. Recently had a family visit to Urnes Stave Church.

According to UN's 2010 revision to its population projections, world population will peak at 10.1bn in 2100 compared to 7bn in 2011.[46] However, some experts dispute the UN's forecast and have argued that birthrates will fall below replacement rate in the 2020s. According to these forecasters, population growth will be only sustained till the 2040s by rising longevity but will peak below 9bn by 2050.[47]

See also

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References

43 year old Petroleum Engineer Harry from Deep River, usually spends time with hobbies and interests like renting movies, property developers in singapore new condominium and vehicle racing. Constantly enjoys going to destinations like Camino Real de Tierra Adentro.

External links

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  1. Typhoon Haiyan: there is worse to come, The first disaster to kill more than a million people could happen within our lifetimes The Guardian, Monday 11 November 2013
  2. 2.0 2.1 7. miljardis ihminen, Helsingin Sanomat editor Mr Timo Paukku 5.9.2011 D1 Template:Fi
  3. Association of Public Health Epidemiologists in Ontario
  4. 4.0 4.1 U.S. Census Bureau, January 2010
  5. World Factbook
  6. BBC NEWS | The end of India's green revolution?
  7. Food First/Institute for Food and Development Policy
  8. Rising food prices curb aid to global poor
  9. Record rise in wheat price prompts UN official to warn that surge in food prices may trigger social unrest in developing countries
  10. U.S. Census Bureau, June 2009
  11. UN population projections
  12. Japan sees biggest population fall
  13. [1]
  14. 14.0 14.1 World Population Prospects, the 2010 Revision
  15. CO2 Emissions from Fuel Combustion Population 1971–2008 IEA
  16. 16.0 16.1 16.2 16.3 16.4 Template:Cite web
  17. 17.00 17.01 17.02 17.03 17.04 17.05 17.06 17.07 17.08 17.09 17.10 17.11 17.12 17.13 17.14 17.15 17.16 17.17 17.18 17.19 17.20 17.21 17.22 17.23 17.24 17.25 17.26 17.27 17.28 17.29 17.30 17.31 The British Collins Longman Student Atlas, the 1996 and in 1998 publications, ISBN 978-0-00-448879-0 for the 1998 edition, ISBN 0-00-448365-0 for the 1996 edition
  18. url=http://www.un.org/esa/population/publications/wpp2008/wpp2008_text_tables.pdf
  19. 19.00 19.01 19.02 19.03 19.04 19.05 19.06 19.07 19.08 19.09 19.10 19.11 19.12 19.13 19.14 19.15 19.16 19.17 19.18 19.19 19.20 19.21 19.22 19.23 19.24 19.25 19.26 19.27 19.28 19.29 19.30 19.31 'Modern School Atlas (96th edition)', ISBN 978-1-84907-013-3.
  20. 20.00 20.01 20.02 20.03 20.04 20.05 20.06 20.07 20.08 20.09 20.10 20.11 20.12 20.13 20.14 20.15 20.16 20.17 20.18 20.19 20.20 20.21 20.22 20.23 20.24 20.25 20.26 20.27 20.28 20.29 20.30 20.31 The British Oxford economic atlas of the World 4th edition, ISBN 0-19-894107-2
  21. 21.00 21.01 21.02 21.03 21.04 21.05 21.06 21.07 21.08 21.09 21.10 21.11 21.12 21.13 21.14 21.15 21.16 21.17 21.18 21.19 21.20 21.21 21.22 21.23 21.24 21.25 21.26 21.27 21.28 21.29 21.30 The British Collins Atlas of the World, the 1993 edition, ISBN 0-00-448038-4
  22. 22.0 22.1 22.2 22.3 Ethiopia Central Statistics Office -- Population Projection for mid-2008
  23. One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang
  24. Template:Cite web
  25. 25.0 25.1 One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ Sengkang
  26. Template:Cite web
  27. Template:Cite web
  28. 28.0 28.1 28.2 One of the biggest reasons investing in a Singapore new launch is an effective things is as a result of it is doable to be lent massive quantities of money at very low interest rates that you should utilize to purchase it. Then, if property values continue to go up, then you'll get a really high return on funding (ROI). Simply make sure you purchase one of the higher properties, reminiscent of the ones at Fernvale the Riverbank or any Singapore landed property Get Earnings by means of Renting

    In its statement, the singapore property listing - website link, government claimed that the majority citizens buying their first residence won't be hurt by the new measures. Some concessions can even be prolonged to chose teams of consumers, similar to married couples with a minimum of one Singaporean partner who are purchasing their second property so long as they intend to promote their first residential property. Lower the LTV limit on housing loans granted by monetary establishments regulated by MAS from 70% to 60% for property purchasers who are individuals with a number of outstanding housing loans on the time of the brand new housing purchase. Singapore Property Measures - 30 August 2010 The most popular seek for the number of bedrooms in Singapore is 4, followed by 2 and three. Lush Acres EC @ Sengkang

    Discover out more about real estate funding in the area, together with info on international funding incentives and property possession. Many Singaporeans have been investing in property across the causeway in recent years, attracted by comparatively low prices. However, those who need to exit their investments quickly are likely to face significant challenges when trying to sell their property – and could finally be stuck with a property they can't sell. Career improvement programmes, in-house valuation, auctions and administrative help, venture advertising and marketing, skilled talks and traisning are continuously planned for the sales associates to help them obtain better outcomes for his or her shoppers while at Knight Frank Singapore. No change Present Rules

    Extending the tax exemption would help. The exemption, which may be as a lot as $2 million per family, covers individuals who negotiate a principal reduction on their existing mortgage, sell their house short (i.e., for lower than the excellent loans), or take part in a foreclosure course of. An extension of theexemption would seem like a common-sense means to assist stabilize the housing market, but the political turmoil around the fiscal-cliff negotiations means widespread sense could not win out. Home Minority Chief Nancy Pelosi (D-Calif.) believes that the mortgage relief provision will be on the table during the grand-cut price talks, in response to communications director Nadeam Elshami. Buying or promoting of blue mild bulbs is unlawful.

    A vendor's stamp duty has been launched on industrial property for the primary time, at rates ranging from 5 per cent to 15 per cent. The Authorities might be trying to reassure the market that they aren't in opposition to foreigners and PRs investing in Singapore's property market. They imposed these measures because of extenuating components available in the market." The sale of new dual-key EC models will even be restricted to multi-generational households only. The models have two separate entrances, permitting grandparents, for example, to dwell separately. The vendor's stamp obligation takes effect right this moment and applies to industrial property and plots which might be offered inside three years of the date of buy. JLL named Best Performing Property Brand for second year running

    The data offered is for normal info purposes only and isn't supposed to be personalised investment or monetary advice. Motley Fool Singapore contributor Stanley Lim would not personal shares in any corporations talked about. Singapore private home costs increased by 1.eight% within the fourth quarter of 2012, up from 0.6% within the earlier quarter. Resale prices of government-built HDB residences which are usually bought by Singaporeans, elevated by 2.5%, quarter on quarter, the quickest acquire in five quarters. And industrial property, prices are actually double the levels of three years ago. No withholding tax in the event you sell your property. All your local information regarding vital HDB policies, condominium launches, land growth, commercial property and more

    There are various methods to go about discovering the precise property. Some local newspapers (together with the Straits Instances ) have categorised property sections and many local property brokers have websites. Now there are some specifics to consider when buying a 'new launch' rental. Intended use of the unit Every sale begins with 10 p.c low cost for finish of season sale; changes to 20 % discount storewide; follows by additional reduction of fiftyand ends with last discount of 70 % or extra. Typically there is even a warehouse sale or transferring out sale with huge mark-down of costs for stock clearance. Deborah Regulation from Expat Realtor shares her property market update, plus prime rental residences and houses at the moment available to lease Esparina EC @ SengkangTemplate:Dead link Cite error: Invalid <ref> tag; name "unpop" defined multiple times with different content
  29. The World Factbook- Congo, Democratic Republic of the. Central Intelligence Agency.
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  32. IBGE. Censo 2010: população do Brasil é de 190.732.694 pessoas.
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  37. Population Forecast to 2060 by International Futures hosted by Google Public Data Explorer
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  39. Hungarian Central Statistical Office. Retrieved 25 July 2010.
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  47. http://www.project-syndicate.org/commentary/the-end-of-population-growth