1. PopulationMauritania

   Mauritania: the IMF counts 686k fewer people than the UN

   UNIMF

   How many people lived in Mauritania in 2025? The IMF (April 2026) says 4.63M, the UN projection says 5.32M. Both are official; the gap is 13% of the UN figure. Why the counts differ, these data do not say.

   Source: IMF World Economic Outlook; UN World Population Prospects 2024Open on the chart →

More findings

• Mauritania: more adults live with obesity than use tobacco
• Mauritania: fertility has been falling since 2012, from 5.35 to 4.70 children per woman
• China: an older population than the US
• Thailand: an older population than the US
• Poland: an older population than the UK
• DR Congo now has more people than Germany

All findings →