| Population | Country or Empire | % Correct |
|---|---|---|
| 75,000,000 | Song Dynasty | 87%
|
| 9,100,000 | Holy Roman Empire | 83%
|
| 12,000,000 | Byzantine Empire | 79%
|
| 2,379,000 | Kingdom of Arles | 70%
|
| 6,065,700 | Kingdom of France | 70%
|
| 5,400,000 | Kievan Rus' | 66%
|
| 7,000,000 | Heian Japan | 62%
|
| 7,000,000 | Caliphate of Córdoba | 50%
|
| 1,000,000 | Poland | 38%
|
| 10,000,000 | Khitans | 34%
|
| 6,200,000 | Fatimid Caliphate | 32%
|
| 1,250,000 | Principality of Hungary | 31%
|
| 1,000,000 | Volga Bulgaria | 21%
|
| 2,000,000 | Kanem Empire | 7%
|
| 1,200,000 | Khazar Khanganate | 5%
|
| 3,250,000 | Liao Dynasty | 3%
|