| Hint | Answer | % Correct | |
|---|---|---|---|
| J | 39,800,000 | Tokyo | 96%
|
| U | 22,200,000 | New York City | 91%
|
| F | 11,300,000 | Paris | 88%
|
| M | 22,300,000 | Mexico City | 86%
|
| A | 16,000,000 | Buenos Aires | 84%
|
| Q | 2,150,000 | Doha | 83%
|
| C | 48,600,000 | Guangzhou | 83%
|
| I | 28,900,000 | Jakarta | 83%
|
| R | 17,100,000 | Moscow | 83%
|
| B | 21,900,000 | Sao Paulo | 80%
|
| E | 17,100,000 | Cairo | 79%
|
| S | 24,800,000 | Seoul | 78%
|
| T | 14,600,000 | Istanbul | 76%
|
| Y | 2,525,000 | Sana'a | 76%
|
| N | 17,600,000 | Lagos | 74%
|
| O | 1,230,000 | Muscat | 74%
|
| K | 5,350,000 | Nairobi | 74%
|
| V | 8,300,000 | Ho Chi Minh City | 72%
|
| P | 25,100,000 | Karachi | 71%
|
| D | 10,900,000 | Kinshasa | 70%
|
| Z | 2,357,000 | Lusaka | 70%
|
| H | 2,900,000 | Port-Au-Prince | 63%
|
| L | 1,380,000 | Monrovia | 41%
|