| Rank | Population | Answer | % Correct |
|---|---|---|---|
| 10 | 8,171,000 | London | 95%
|
| 1 | 20,693,000 | Beijing | 94%
|
| 3 | 11,541,000 | Moscow | 92%
|
| 2 | 13,189,000 | Tokyo | 92%
|
| 7 | 8,851,080 | Mexico City | 88%
|
| 12 | 7,438,376 | Cairo | 85%
|
| 20 | 3,520,000 | Berlin | 80%
|
| 5 | 10,187,595 | Jakarta | 80%
|
| 23 | 3,233,527 | Madrid | 72%
|
| 4 | 10,528,774 | Seoul | 70%
|
| 11 | 7,613,303 | Bogota | 65%
|
| 8 | 8,481,415 | Lima | 63%
|
| 6 | 9,110,347 | Tehran | 63%
|
| 9 | 8,249,117 | Bangkok | 61%
|
| 17 | 4,890,893 | Ankara | 58%
|
| 15 | 5,312,000 | Singapore | 55%
|
| 13 | 7,216,040 | Baghdad | 54%
|
| 16 | 5,084,038 | Santiago | 54%
|
| 14 | 6,080,671 | Dhaka | 51%
|
| 22 | 3,398,889 | Hanoi | 49%
|
| 18 | 4,878,723 | Riyadh | 48%
|
| 19 | 4,385,264 | Kinshasa | 42%
|
| 25 | 3,140,853 | Kabul | 38%
|
| 24 | 3,144,005 | Pyongyang | 29%
|
| 21 | 3,500,000 | Damascus | 24%
|