| Population | Answer | % Correct |
|---|---|---|
| 70,000,000 | Roman Empire | 100%
|
| -50,000,000 | Han dynasty | 29%
|
| ~10,000,000 | Parthian empire | 21%
|
| ~600,000 | Thrace | 17%
|
| ~ 6,200,000 | Knava | 4%
|
| ~8,000,000 | Koala | 4%
|
| ~3,000,000 | Mahameghavahanas Empire | 4%
|
| ~1,100,000 | Meroe | 4%
|
| ~700,000 | Panchalla | 4%
|
| ~4,500,000 | Stavahana Empire | 4%
|