1、iINTRODUCTIONLeaving No One Behind In An Ageing WorldWorld SocialReport 2023DEPARTMENT OF ECONOMiC AND SOCiAL AFFAiRSWORLD SOCiAL REPORT 2023:LEAViNG NO ONE BEHiND iN AN AGEiNG WORLDWORLD SOCiAL REPORT 2023:LEAViNG NO ONE BEHiND iN AN AGEiNG WORLDiiiDEPARTMENT OF ECONOMiC AND SOCiAL AFFAiRSThe Depar

2、tment 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

3、,social and environmental data and information on which States Members of the United Nations draw to review common problems and to 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 emerg

4、ing 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.ST/ESA/379United Nations pu

5、blicationSales No.E.23.IV.2ISBN 978-92-1-130458-9eISBN 978-92-1-001968-2Copyright United Nations 2023All rights reservediVWORLD SOCiAL REPORT 2023:LEAViNG NO ONE BEHiND iN AN AGEiNG WORLDFOREWORDOur world is changing in fundamental ways.One key trend is the gradual and largely irreversible shift tow

6、ards an older popula-tion,already underway in most countries.The number of persons aged 65 years or older worldwide is expected to double over the next three decades,reaching 1.6 billion in 2050,when older people will account for more than 16 per cent of the global population.People are living longe