| Land Percentage At height of Empire | Empire/Caliphate/Dynasty | % Correct |
|---|---|---|
| 26.35% in 1920 | British | 96%
|
| 17.81% in 1270 | Mongol | 95%
|
| 16.92% in 1895 | Russian | 86%
|
| 8.53% in 1920 | French | 81%
|
| 10.17% in 1810 | Spanish | 80%
|
| 10.91 in 1790 | Qing | 58%
|
| 8.24% in 720 | Umayyad | 40%
|
| 8.24% in 750 | Abbasid | 33%
|
| 8.16% in 1310 | Yuan | 22%
|
| 6.68% in 176 BC | Xiongnu | 9%
|