| Population | Answer | % Correct |
|---|---|---|
| 20 M | Beijing | 94%
|
| 21.7 M | Mexico City | 94%
|
| 35.4 M | Tokyo | 94%
|
| 20.5 M | Cairo | 82%
|
| 21.8 M | Sao Paulo | 82%
|
| 26.3 M | Shanghai | 82%
|
| 29.4 M | Delhi | 76%
|
| 20.2 M | Mumbai | 76%
|
| 15.8 M | Istanbul | 65%
|
| 16.3 M | Kinshasa | 65%
|
| 16 M | Lagos | 65%
|
| 20.3 M | Dhaka | 59%
|
| 19.2 M | Osaka | 59%
|
| 17.2 M | Karachi | 41%
|
| 17.3 M | Chongqing | 35%
|