The growth of the global population—from 8 billion in 2022 and 9.7 billion in 2050—will largely occur in low- and lower-middle-income countries. Meanwhile, the population is plateauing in high income countries, and it is beginning to shrink in upper-middle-income countries.
Source: World Bank. 2023. World Development Report 2023: Migrants, Refugees, and Societies. Washington, DC: World Bank. WDR 2023 team calculations, based on the medium fertility scenario of World Population Prospects 2022 applied to country income groups.