Data sources

The datasets behind our rankings, with attribution and licence.

• Council on Tall Buildings and Urban Habitat (CTBUH)

  CTBUH, The Skyscraper Center · Licence: CTBUH terms of use · Updated: as-completed

• International Monetary Fund (World Economic Outlook)

  IMF, World Economic Outlook (2024) · Licence: IMF terms of use · Updated: biannual

• United Nations (World Population Prospects)

  UN DESA, World Population Prospects (2024) · Licence: CC BY 3.0 IGO · Updated: biennial

• United Nations Statistics Division

  United Nations Statistics Division · Licence: UN terms of use · Updated: annual