| Population in terms of millions | Answer | % Correct |
|---|---|---|
| 24,484,000 | Shanghai | 100%
|
| 38,140,000 | Tokyo | 95%
|
| 21,240,000 | Beijing | 91%
|
| 21,157,000 | Mexico City | 91%
|
| 26,454,000 | New Delhi | 91%
|
| 18,604,000 | New York City | 91%
|
| 21,357,000 | Mumbai | 86%
|
| 19,128,000 | Cairo | 82%
|
| 17,121,000 | Karachi | 82%
|
| 20,337,000 | Osaka | 77%
|
| 21,297,000 | Sao Paulo | 77%
|
| 14,365,000 | Istanbul | 73%
|
| 15,334,000 | Buenos Aires | 64%
|
| 18,237,000 | Dhaka | 55%
|
| 14,980,000 | Calcutta | 5%
|