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This latest assessment considers the results of 1,910 national population censuses conducted between 1950 and 2023, as well as information from vital registration systems and from 3,189 nationally representative sample surveys.
The world’s population is projected to reach 8 billion on 15 November 2022 from an estimated 2.5 billion people in 1950. It took around 37 years since 1950 for human numbers to double, surpassing 5 billion inhabitants in 1987.
Disclaimer: This web site contains data tables, figures, maps, analyses and technical notes from the current revision of the World Population Prospects. These documents do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or ...
World Population Prospects - Population Division - United Nations. Department of Economic and Social Affairs Population Division. World Population Prospects 2024. Population Division.
The World Population Prospects 2024 is the twenty-eighth edition of the United Nations population estimates and projections, which have been prepared since 1951 by the Population Division of the Department of Economic and Social Affairs.
With each successive revision of the World Population Prospects, the Population Division of the United Nations estimates historical demographic trends for the period from 1950 to the present and projects future population trends out to 2100.
The World Population Prospects 2024 is the 28th edition of the official estimates and projections of the global population published by the United Nations since 1951. The estimates are based on all available sources of data on population size and levels of fertility, mortality, and international migration for 237 countries or areas.
World Population Prospects 2019: Methodology of the United Nations population estimates and projections. Methodological updates Citation: United Nations, Department of Economic and Social Affairs, Population Division (2019).
This web site presents the main findings of the 2018 Revision of World Urbanization Prospects which are consistent with the size of the total population of each country as estimated or projected in the 2017 Revision of World Population Prospects (United Nations, 2017).
The 2019 Revision of World Population Prospects is the twenty-sixth 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.