World Population Prospects 2019
By Department of Economic and Social Affairs People, and thus populations, are at the centre of sustainable development. Each of the four global demographic “megatrends”– population growth, population ageing, migration and urbanization – holds important implications for economic and social development and for environmental sustainability. Timely and accurate population estimates and projections allow Governments to anticipate future demographic trends and to incorporate that information into development policies and planning. The 2019 revision of the World Population Prospects is the...