World population is projected to reach 7 billion early in 2012, up from the current 6. Recommendations on communicating population projections unece. This revision updates and supersedes previous estimates and projections published by the united nations. Heilig chief patrick gerland, kirill andreev, nan li, danan gu, thomas spoorenberg sarada ravinuthala, chandra yamarthy, neena koshy united nations, department of economic and social affairs desa population division population estimates and projections section. Projected growth in the world population currently, the world population continues to grow though more slowly than in the recent past. It is the first it is the first standard revision to include projections up to 2100 for all countries and areas of. The detailed results of the 2012 revision are made available through a variety of media. Ten years ago, the global population was growing by 1. Bayesian population projections for the united nations ncbi.
Data are from the medium variant see below of the world population prospects. The 2010 revision breaks new ground in the production of population projections. The 2009 revision executive summary since 1988 the population division of the department of economic and social affairs of the united nations has been issuing every two years revised and upda ted estimates and projections of the urban and rural. The 2015 revision 2 fao, world agriculture towards 203050 the 2012 revision 3 fao, dimensions of need. The information is essential to guide policies aimed at achieving the new sustainable development goals. About europe pmc funders joining europe pmc governance roadmap. World population prospects, 2012 revision data library. Demographic statistics, 4 united nations statistical. How many years did it take for the population to go.
The 2012 revision, united nations department of economic and social affairs. Nov 04, 2016 it took 200,000 years for our human population to reach 1 billionand only 200 years to reach 7 billion. The uns probabilistic world population prospects currently treats countries with. According to world population prospects, the global population in 2050 will be around 9.
The united nations probabilistic population projections. The 2012 revision is the twentythird round of official united nations population estimates and projections, prepared by the population division of the department of economic and. The 2010 revision constitutes the twenty second round of the global population estimates and projections produced by the population division since 1951 and it breaks new ground in the production of population projections. The 2002 revision by lindsey grant june 2003 the united nations population division has put the highlights of its new population estimates and projections onto the web1. Total population on 30 june of the final year of the period. The 2017 revision of the world population prospects is the twentyfifth round of official united nations population estimates and projections, which have been prepared since 1951 by the population. World population prospects is published by the united nations department of economic and social affairs. Population of the world, major development groups and major areas, 1950, 1975, 2009 and 2050, according to different variants population millions population in 2050 millions major area 1950 1975 2009 low medium high constant. The ratio of net migration during the year to the average population in that year. Aug 01, 2014 the estimated and projected values of the proportion urban from 1950 to 2050 for each country or area were then applied to the total population as estimated or projected in the medium variant in world population prospects. Population division of the department of economic and social affairs of the united nations secretariat, world population prospects.
World population prospects, the 2010 revision population age 1524 by major regions millions source. Wpp2012 methodology united nations population division. Half of the worlds urban population lives in cities of fewer than 500,000 inhabitants world urban population distribution, by city size, 2009 source. World population prospects, the 2012 revision multimedia. World urbanization prospects the 2007 revision united nations department of economic and social affairs desa population division population estimates and projections section. These projections are widely used by international organizations, governments, and researchers for planning and decision making. Comprehensive tables preface the 2017 revision of world population prospects represents the latest global set of demographic estimates and projections prepared by the population division of the department of economic and. The standard outputs of the 2012 revision do not include the probabilistic projections and are restricted to deterministic projection variants and scenarios included in other revisions of world population prospects. World population prospects, the 2012 revision latest. Learn how the world bank group is helping countries with covid19 coronavirus. The first question to ask is whether india is unique in this behaviour of combining high. The united nations makes projections of the populations of all countries by age and sex and publishes these in the biennial publication world population prospects united nations, 20. The 2011 revision preface the population division of the department of economic and social affairs at the united nations secretariat is responsible for providing the international community with uptodate and scientifically objective information on population and development. United nations, department of economic and social affairs, population division.
A latent neurogenic program in astrocytes regulated by notch. Department for economic and social information and policy analysis. It took over 200,000 years of human history for the world s population to reach 1 billion, and only 200 years more to reach 7 billion. Acknowledgments we thank the entire team involved in the production of the 2012 revision of the world population prospects in particular, k. In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7. Medium variant united nations, department of economic and social affairs. Population growth annual % nigeria data world bank. World population stabilization unlikely this century. The full results of the revision 2010are presented in two volumes. United nations population division 2012 demographic shifts. The 2012 revision, extended dataset in excel and ascii formats sales no. The 2012 revision, methodology of the united nations population estimates and projections with each revision of world population prospects wpp the united nations population division. United nations, department of economic and social affairs, population division 20. Probabilistic population projections for countries with.
Projected growth of the global population today, the world s population continues to grow, albeit more slowly than in the recent past. United nations department of economic and social affairs. The 2003 revision, prepared by the united nations department of economic and social affairs population division, presents estimates and projections of urban and rural populations for major areas, regions and countries of the world for the period 19502030. The 2012 revision aging more developed regions european environment agency do something for our planet, print this page only if needed. It is frequently applied to living organisms, most of the time to humans. The 2015 revision, key findings and advance tables continent who will reach adulthood in the coming years and have children of their own, ensures that the region will play a central role in shaping the size and distribution of the world s population over the. United nations, department of economic and social affairs, population division 20 world population prospects. The 2012 revision world population aging european environment agency do. The 2019 revision of the world population prospects is the twentysixth edition of the united nations population estimates and projections. Further detail of population estimates, land area, and population density for world urban areas with over 500,000 people 924 areas is available with demographias world urban areas report 2014. United nations, department of economic and social affairs, population division 2006.
For the first time, projections are carried out up to 2100, instead of 2050 as previously. Bosnia and herzegovina international migrant stock by age and sex 1990 2000 20. How many years did it take for the population to double go from 1 billion to 2 billion. It presents population estimates from 1950 to the present for 235 countries or areas, underpinned by analyses of historical demographic trends. It should be noted that in the case of mexico, that the population according to the population.
A322 department of economic and social affairs population division world urbanization prospects the 2011 revision united nations new york, 2012. The 2003 revision key findings world urbanization prospects. Population, female nigeria world bank staff estimates using the world bank s total population and agesex distributions of the united nations population divisions world population prospects. World population stabilization unlikely this century science.
World population prospects, the 2012 revision latest major. The 2012 revision, methodology of the united nations. The united nations population and urbanization projections 22. Data in digital form containing the major results of the 2003 revision can be purchased from the population division. World population prospects population division united. The 2019 forecast from the united nations population division shows that world population growth peaked at 2. This new edition of the united nations population estimates and projections builds on the previous revision by incorporating the findings of new population censuses and specialized demographic surveys, which have been published since the previous revision. In the 1950s the world s population was consuming 44 million tonnes annually. The standard output of the 2010 revisionincludes only the usual projection variants and scenarios included in other revisions of world population prospects. We thank the entire team involved in the production of the 2012 revision of the world population prospects in particular, k. Global population growth, wild fish stocks, and the future.
World population prospects the 2010 revision gerhard k. The 2012 revision is the twentythird round of official united nations population estimates and projections, prepared by the population division of the department of economic and social affairs of the united nations secretariat. In 1950, there were two megacities with 10 million or more inhabitants. Production is based on improved varieties, on manual labour with hand tools. The 2008 revision in 2050, in the less developed regions it will continue rising, reaching 3. But growth has begun slowing, as women have fewer babies on average.
Jun 16, 2017 the 2017 revision of the world population prospects is the twentyfifth round of official united nations population estimates and projections, which have been prepared since 1951 by the population. Comprehensive tables preface the 2017 revision of world population prospects represents the latest global set of demographic estimates and projections prepared by the population division of the department of economic and social affairs of the united. The 2010 revision, international monetary fund, world economic outlook database, october 2012, world bank country income classifications, july 2012. United nations, department of economic and social affairs, population division, world population prospects. The 2012 revision, key findings and advance tables population in developing countries still young currently the population of the less developed regions is still young, with children under age 15 accounting with 26 per cent of the population and young persons aged 15 to 24 accounting for a further 17 per cent. The 2006 revision iii preface this report presents the highlights of the results of the 2006 revision of the official world population estimates and projections prepared by the population division of the department of economic and social. Calculations based on undesa, world urbanization prospects. The 2012 revision united nations, 20a in order to obtain countrylevel estimates of the urban and rural populations. In terms of each countrys population growth, we can expect india to surpass china as the most populated country in the world. The 2006 revision iii preface this report presents the highlights from the results of the 2006 revision of the official world population estimates and projections prepared by the united nations department of economic and social affairs population division.
In about quarter of a century, increases in the sss old age dependency ratio along with flattening of the relative size of the workingage population will begin to have significantimplications for pensions and social security policy. World population prospects the 2012 revision united nations. The 2008 revision in both the more and the less developed regions, the number of people in the main working ages, 25 to 59, is at an all time high. Medium variant united nations, department of economic and social affairs, population division. The 2012 revision, methodology of the united nations population estimates and projections. Net number of migrants, that is, the number of immigrants minus the number of emigrants. World population prospects, 2012 revision last updated on 31032015 16. Population projection involves combining future values of agespecific fertility. World population prospects the 2008 revision volume i. It also gave us a way to combine the posterior predictive distributions of. World population prospects, the 2012 revision 17 june 20, new york.
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