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. Population size, structure and distribution have major. It also includes data on population size for close to 1900 urban settlements having 300000 inhabitants or more in 2018. United nations ilibrary world population prospects. It presents population estimates from 1950 to the present for 235 countries or areas, underpinned by analyses of historical demographic trends. Africas youth population will rise to 35 percent of the world youth total in 2050, from 20 percent today. In its 24th round of estimates released in 2015, it was projected that the population of india will surpass that of chinas by 2022. World population prospects the 2002 revision population database the 2002 revision population database, annually published by the united nations population division of the department of economic and social affairs of the united nations secretariat, is a comprehensive data source for world population and official estimation of world population and. The population estimates and projections presented in the world population prospects describe two of the four demographic megatrends population growth and ageing, as. World population prospects population division united nations. World population prospects within little more than a decade there are likely to be around 8. The accuracy of the united nations world population projections. Countries in the world by population 2020 this list includes both countries and dependent territories. Today, the worlds population continues to grow, albeit more slowly than in the recent past.
Cambodia has a population density of 212 people per square mile 82 people per square kilometer, which ranks 118th in the world. The world population prospects,2019 free current affairs. Swop report 2019 unfpa united nations population fund. Prb projects world population rising 33 percent by 2050 to nearly 10 billion. 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 nations secretariat. Percentage errors in projected age structures, 19501 projections. Burden of disease, a study conducted by the world health organization and the world bank, with partial support from the u. Ten years ago, the global population was growing by 1. Ii, sex and age distribution of the world population publication des nations unies, a paraitre. The other half of the difference reflects a reduction in the projected number of births, primarily as a result of lower expected future fertility levels. World population prospects and unmet need for family. Iii, analytical report publication des nations unies, a paraitre. Demographic statistics, 4 united nations statistical division. In terms of each countrys population growth, we can expect india to surpass china as the most populated country in the world by 2050.
The worlds two most populated countries, china and india, together constitute about 36% of the worlds population. A small number of countries will account for most of the increase. Although hiv prevalence in some countries has been revised downward on. Particularly rapid growth is expected among the least developed countries whose population is projected to rise from 668.
Cambodia has an estimated population of pop, up from the official 2008 census population of. 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. Now total world population is 7 765 6 2 estimates based on the latest united nations research. Midyear estimates of world population size for 1950. Population prospects 2019, the latest global demographic estimates and projections prepared by the. Yet there are still significant levels of demand for family planning that are unmet. This note presents the main findings of the 2007 revision of world urbanization prospects which are consistent with the size of the total population of each country as estimated or projected in the 2006 revision of world population prospects united nations, 2008. Data based on the latest united nations population division estimates. In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7. 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. 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. Insecurity in the world 2010 sofi and related new parameters cvs, minimum daily energy requirements are used in the projections. According to world population prospects, the global population in 2050 will be around 9.
The 2017 revision of the world population prospects is the twentyfifth round of official united nations population estimates and projections, which have. The population of the less developed regions is projected to rise steadily from 4. Every humanitarian crisiswhether due to conflict or natural disastercauses systems to break down, increasing multiple needs for protection and services. The number of countries with a significant number of infected people in the 2006 revision is 62, up from 60 in the 2004 revision and 53 in the 2002 revision. The 2019 revision of world population prospects is the twentysixth round of official united nations population estimates and projections that have been prepared by the population division of the department of economic and social affairs of the united nations secretariat. The 2019 revision of world population prospects is the twentysixth round of official united nations population estimates and projections that have been. Projected growth of the global population today, the worlds population continues to grow, albeit more slowly than in the recent past. The most momentus changes have taken place in the worlds population over the past 50 years. World population prospects the 2010 revision, volume ii demographic profiles this report presents the 2010 revision of the population estimates and projections prepared by the population division of the department of economic and social affairs of the united nations secretariat. Past, current and projected future population growth is outlined. The world population refers to the entire number of people of all ages, living in all countries throughout the world. 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.
The 2002 revision iii preface this report presents the highlights from the results of the 2002 revision of the official world population estimates and projections prepared by the population division of the department of economic and social affairs of the united nations secretariat. The world youth population ages 15 to 24 is projected to rise to 1. United nations ilibrary world urbanization prospects. Cambodia population 2020 demographics, maps, graphs. Why population aging matters national institute on aging. Barring a calamitous pandemic, a further increase in the worlds population from 7 to between 8. World urbanization prospects article pdf available in demographic research 129. United nations world population prospects report, 2017. Click on the name of the country or dependency for current estimates live population clock, historical data, and projected figures. The world population is growing, and in 2015 is approximately 7. Fertility prospects in india, soon to become the worlds most populous nation, are less.
United nations population division vi world population prospects. Jun 19, 2019 the population estimates and projections presented in the world population prospects describe two of the four demographic megatrends population growth and ageing, as well as key trends in human. World population prospects 2019 population division the united. The world today faces unprecedented levels of humanitarian need. Six of the earths seven continents are permanently inhabited on a large scale. The worlds population is growing larger and older, while also becoming more mobile and more urbanized. Click on the name of the country or dependency for current estimates live population clock, historical data, and.
Pdf past, current and projected future population growth is outlined. Population ages 65 and above, total world bank open data. Projected growth in the world population currently, the world population continues to grow though more slowly than in the recent past. 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. Issn 10205195 business united nations population fund. World population prospects the 2002 revision population database the 2002 revision population database, annually published by the united nations population division of the department of economic and social affairs of the united nations secretariat, is a comprehensive data source for world population and official estimation of world population and projections. The information is essential to guide policies aimed at achieving the new sustainable development goals. These 1900 cities or urban areas are now home to nearly 60 per.
This list includes both countries and dependent territories. The socalled demographic transition in the developing countries. The 2019 revision of the world population prospects is the twentysixth edition of the united nations. The 2019 revision of the world population prospects is the twentysixth edition of the united nations population estimates and projections. World population prospects and unmet need for family planning introduction over the past 30 years, the use of modern family planning methods has increased dramatically in the developing world leading to a fall in fertility rates. World bank staff estimates using the world bank s total population and agesex distributions of the united nations population divisions world population prospects. Africa is the second most populated continent, with around 1. The 2006 revision the hivaids epidemic continues to spread. World population prospects population division united. The population is growing slowly in oecd countries, which tend to be the wealthy countries that use a great deal of energy. Data presented in this booklet are based on the world. The report presents findings from the 2018 revision of world urbanization prospects, which contains the latest estimates of the urban and rural populations or areas from 1950 to 2018 and projections to 2050, as well as estimates of population size from 1950 to 2018 and projections to 2030 for all urban agglomerations with 300,000 inhabitants or more in 2018. Yes, it is if fertility, worldwide, would decline to 1.
Highlights the unprecedented ageing of the worlds population. Population and vital statistics reprot various years, 5 u. National institute on aging, predicts a very large increase in disability caused by increases in agerelated chronic disease in all regions of the world. World population prospects focus on demographic fact.
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