Most Populous Countries in 1900
| Rank | Country | Population est. |
| 1 | China | 372,563,000 |
| 2 | India | 287,223,431 |
| 3 | Russia | 147,277,000 |
| 4 | United States | 76,356,000 |
| 5 | Germany | 56,345,014 |
| 6 | Austro-Hungarian Empire | 47,013,835 |
| 7 | Japan | 43,759,577 |
| 8 | United Kingdom | 41,605,220 |
| 9 | France | 38,641,333 |
| 10 | Italy | 32,100,000 |
Most Populated Countries in the World
Most Populated Countries (Top 100)
Most Populated Cities in the World
Most Populated Countries in the year 2050
Countries with More Men than Women
Countries with More Women than Men
Most People Living with HIV/AIDS
Most Crowded Places in the World
Oldest Populations (65 and Over)
Countries with the Largest Household size
Countries with the Largest Prison Populations
Most Populated Countries in Asia
Most Populated Countries in Africa
Most Populated Countries in the Caribbean
Most Populated Countries in Central America
Most Populated Countries in the Middle East
Most Populated Countries in North America
Most Populated Countries in Oceania
Most Populated Countries in South America
Most Populated States in the US
Most Populated Cities in the US
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