The world’s population in 1921

1.89B people. One hexagon represents 100,000 people.

Open the 1921 map →

Drawn as they stood de facto, the map this year includes French Equatorial Africa, Czechoslovakia, Weimar Republic, French Indochina, French West Africa, Korea, Ottoman Empire, Mandatory Palestine, Yugoslavia.

Largest populations in 1921

RegionPopulation
1Russian SFSR91.8M
2Weimar Republic61.0M
3Uttar Pradesh & Uttarakhand, IN46.7M
4United Kingdom45.9M
5Empire of Japan44.6M
6Sichuan38.9M
7French Third Republic38.6M
8Shandong38.1M
9Kingdom of Italy35.2M
10Henan35.2M

The largest relative change from 1920: Gold Coast (−1.2M people).