| Letter | Pop | Answer | % Correct |
|---|---|---|---|
| J | 39,990,000 | Tokyo | 95%
|
| U | 22,000,000 | New York | 91%
|
| B | 22,100,000 | Sao Paulo | 91%
|
| Q | 2,325,000 | Doha | 86%
|
| R | 17,000,000 | Moscow | 86%
|
| F | 11,300,000 | Paris | 86%
|
| I | 30,300,000 | Jakarta | 82%
|
| P | 24,600,000 | Manila | 82%
|
| E | 18,200,000 | Cairo | 77%
|
| C | 45,600,000 | Guangzhou | 77%
|
| N | 18,200,000 | Lagos | 77%
|
| A | 16,100,000 | Buenos Aires | 68%
|
| O | 1,300,000 | Muscat | 68%
|
| K | 5,750,000 | Nairobi | 68%
|
| M | 22,600,000 | Mexico City | 64%
|
| H | 3,050,000 | Port-Au-Prince | 64%
|
| Y | 2,625,000 | San'a | 64%
|
| S | 24,600,000 | Seoul | 64%
|
| Z | 2,745,000 | Lusaka | 59%
|
| T | 18,400,000 | Bangkok | 55%
|
| D | 11,600,000 | Kinshasa | 55%
|
| G | 5,700,000 | The Ruhr | 50%
|
| V | 8,350,000 | Saigon | 32%
|
| L | 1,750,000 | Beirut | 18%
|