Data source · Multilateral official · Model & reconstruction

United Nations Population Division, UN DESA — World Population Prospects

Headquarters: New York
Founded: Producing World Population Prospects since 1951; the 2024 revision is the twenty-eighth round
Funding: A division of the UN Secretariat, financed from the UN regular budget, which member states fund through assessed contributions scaled to gross national income — for 2025–2027 with a ceiling of 22 per cent and a floor of 0.001 per cent. Which state sits at the ceiling is not named on the budget page read.
Governance: Part of UN DESA within the UN Secretariat; the Secretariat’s budget is approved by the General Assembly.
Published: Periodic revisions — 28 editions since 1951; the 2024 revision covers 237 countries and areas from 1950 to 2100.
Licence: Creative Commons Attribution 3.0 IGO (CC BY 3.0 IGO): UN attribution required; no suggestion of UN endorsement.