世界人口展望2022

World Population Prospects 2022 Summary of Results UN DESA/POP/2021/TR/NO. 3 Department of Economic and Social Affairs Population Division World Population Prospects 2022 Summary of Results United Nations New York, 2022 United Nations Department of Economic and Social Affairs, Population Division The Department of Economic and Social Affairs of the United Nations Secretariat is a vital interface between global policies in the economic, social and environmental spheres and national action. The Department works in three main interlinked areas: (i) it compiles, generates and analyses a wide range of economic, social and environmental data and information on which States Members of the United Nations draw to review common problems and take stock of policy options; (ii) it facilitates the negotiations of Member States in many intergovernmental bodies on joint courses of action to address ongoing or emerging global challenges; and (iii) it advises interested Governments on the ways and means of translating policy frameworks developed in United Nations conferences and summits into programmes at the country level and, through technical assistance, helps build national capacities. community with timely and accessible population data and analysis of population trends and development outcomes for all countries and areas of the world. To this end, the Division undertakes regular studies of population size and characteristics and of all three components of population change (fertility, mortality and migration). Founded in 1946, the Population Division provides substantive support on population and development issues to the United Nations General Assembly, the Economic and Social Council and the Commission on Population and Development. It also leads or participates in various interagency coordination mechanisms of the United Nations system. strengthening the capacity of Member States to monitor population trends and to address current and emerging population issues. Suggested citation United Nations Department of Economic and Social Affairs, Population Division (2022). World Population Prospects 2022: Summary of Results. UN DESA/POP/2022/TR/NO. 3. n’s website at www.unpopulation.org. For further information about this report, please contact the Office of the Director, Population Division, Department of Economic and Social Affairs, United Nations, New York, 10017, USA, by Fax: 1 212 963 2147 or by email at population@un.org. Copyright information Front cover: “Singapore Management University Students Attend Secretary-General Lecture” UN Photo/ Eskinder Debebe-Lecture. Back cover: “School Opens in Weapons Free Zone East of UNMISS” UN Photo/Amanda Voisard. United Nations Publication Sales No.: E.22.XIII.3 ISBN: 978-92-1-148373-4 eISBN: 9789210014380 Copyright © United Nations, 2022. Figures and tables in this publication can be reproduced without prior permission under a Creative Commons license (CC BY 3.0 IGO), http://creativecommons.org/licenses/by/3.0/igo/. Acknowledgements Lubov Zeifma th e dra including Guiomar Bay, Helena Cruz Castanh eira, Giulia Gonnella, Danan Gu, Sara Hertog, Yumiko Kamiya, Vladimíra Kantorová, Pablo Lattes, Kyaw Kyaw Lay, François Pelletier, José H. C. Monteiro da Silva, Igor Ribeiro assistance of Gabriel Borges, Dennis Butler, Rafaella Carnevali, Fengqing Ch ao, Jorge Cimentada, Sam Clark, Camille Dorion, Brian Houle, Peter Joh nson, Sh elmith Kariuki, Sabu Kunju, Nan Li, Peiran Liu, Jonath an Muir, Marília Nepomuceno, Marius Pascariu, Adrian Ra Riffe, Bruno Sch oumaker, and Hana Ševčíko Division for th e support th ey h ave provided, as well as colleagues from th e Latin American and Caribbean Demograph ic Centre, Population Division of th e United Nations Economic Commission for Latin America and th e Caribbean (ECLAC), th e Demograph ic Statistics Section of th e Statistics Division of th e United Nations Department of Economic and Social Affairs, and th e teams of th e United Nations Inter-Agency Group for Ch ild Mortality Estimation (UN IGME) and th e WHO-UN DESA Tech nical Advisory Group on COVID Mortality Assessment for th eir inputs and continuous support. acknowledged. Contents Key messages................................................................................................................i Introduction ..................................................................................................................1 I. A century of world population trends: 1950 to 2050.................................. 3 II. Trends in fertility, mortality and international migration.........................13 III. Long-range population projections to 2100 ......................