| Population (m) | Answer | % Correct |
|---|---|---|
| 25.4 | Mexico City | 100%
|
| 18.8 | Moscow | 100%
|
| 14.8 | Johannesburg | 96%
|
| 21.5 | Beijing | 91%
|
| 35.7 | Delhi | 91%
|
| 11.5 | Paris | 91%
|
| 15.1 | London | 83%
|
| 16.8 | Tehran | 83%
|
| 14.7 | Bangalore | 78%
|
| 22.8 | Cairo | 78%
|
| 9.6 | Chicago | 78%
|
| 16.3 | Kinshasa | 78%
|
| 14.6 | Lahore | 78%
|
| 22.6 | Sao Paulo | 74%
|
| 12.6 | Wuhan | 74%
|
| 10.6 | Bogotá | 70%
|
| 12.9 | Chongqing | 70%
|
| 11.7 | Hyderabad | 70%
|
| 13.4 | Xi'an | 65%
|
| 18.1 | Chengdu | 61%
|
| 23.1 | Dhaka | 61%
|
| 17.9 | Kolkata | 57%
|
| 8.4 | Santiago | 52%
|
| 9.9 | Ahmedabad | 48%
|
| 9.5 | Nanjing | 48%
|
| 11.5 | Changsha | 43%
|
| 8.8 | Shenyang | 39%
|
| 8.2 | Hefei | 17%
|
| 9.6 | Kuala Lumpur | 9%
|
| 10.1 | Taipei | 9%
|