| Population | Country or Empire | % Correct |
|---|---|---|
| 415 m | China | 99%
|
| 384 m | British Empire | 98%
|
| 89.6 m | United States | 98%
|
| 137 m | Russia | 97%
|
| 78.9 m | French Empire | 95%
|
| 67.1 m | Germany | 93%
|
| 18.7 m | Spain | 92%
|
| 17.0 m | Brazil | 89%
|
| 42.0 m | Japan | 89%
|
| 32.0 m | Italy | 87%
|
| 12.1 m | Mexico | 87%
|
| 12.5 m | Portuguese Empire | 80%
|
| 51.4 m | Austria-Hungary | 72%
|
| 51.3 m | Dutch Empire | 72%
|
| 5.8 m | Argentina | 71%
|
| 30.9 m | Ottoman Empire | 71%
|
| 7.0 m | Persia | 65%
|
| 6.1 m | Belgium | 61%
|
| 12.0 m | Korea | 50%
|
| 7.2 m | Siam | 49%
|
| 6.6 m | Romania | 35%
|
| 8.1 m | Morocco | 20%
|