| Year | Population | Answer | Country | % Correct |
|---|---|---|---|---|
| 1900 | 6,500,000 | London | United Kingdom | 95%
|
| 2000 | 26,400,000 | Tokyo | Japan | 95%
|
| AD 1 | 800,000 | Rome | Italy | 93%
|
| 200 | 1,200,000 | Rome | Italy | 93%
|
| 400 | 800,000 | Rome | Italy | 93%
|
| 1500 | 1,000,000 | Beijing | China | 87%
|
| 1600 | 1,000,000 | Beijing | China | 87%
|
| 1800 | 1,100,000 | Beijing | China | 87%
|
| 600 | 600,000 | Constantinople | Turkey | 81%
|
| 1700 | 700,000 | Constantinople | Turkey | 81%
|
| 200 BC | 600,000 | Alexandria | Egypt | 68%
|
| 800 | 700,000 | Baghdad | Iraq | 62%
|
| 1100 | 1,200,000 | Baghdad | Iraq | 62%
|
| 600 BC | 200,000 | Babylon | Iraq | 55%
|
| 1200 BC | >50,000 | Memphis | Egypt | 44%
|
| 2000 BC | 65,000 | Ur | Iraq | 43%
|
| 1000 BC | 100,000 | Haojing (Xi'an) | China | 41%
|
| 800 BC | 125,000 | Haojing (Xi'an) | China | 41%
|
| 1400 | 1,000,000 | Jinling (Nanjing) | China | 35%
|
| 1000 | 350,000 | Cordoba | Spain | 30%
|
| 1800 BC | >25,000 | Thebes | Egypt | 29%
|
| 1400 BC | 100,000 | Thebes | Egypt | 29%
|
| 400 BC | 320,000 | Xiadu | China | 20%
|
| 1200 | 1,000,000 | Hangzhou | China | 17%
|
| 1300 | 1,500,000 | Hangzhou | China | 17%
|
| 1600 BC | 100,000 | Avaris | Egypt | 4%
|