| Letter | Pop. | City | % Correct |
|---|---|---|---|
| O | 40,500,000 | Tokyo | 95%
|
| Y | 24,500,000 | Mexico City | 85%
|
| I | 34,100,000 | Shanghai | 85%
|
| W | 17,400,000 | Moscow | 82%
|
| U | 47,600,000 | Guangzhou | 77%
|
| G | 20,000,000 | Beijing | 72%
|
| A | 32,100,000 | Jakarta | 72%
|
| K | 19,400,000 | Bangkok | 67%
|
| S | 20,100,000 | Lagos | 62%
|
| L | 25,000,000 | Seoul | 56%
|
| N | 15,500,000 | Tehran | 51%
|
| E | 13,500,000 | Lahore | 36%
|
| D | 10,400,000 | Hyderabad | 31%
|
| V | 3,475,000 | Kiev | 28%
|
| R | 9,150,000 | Kuala Lumpur | 26%
|
| H | 8,400,000 | Riyadh | 26%
|
| M | 6,500,000 | Khartoum | 21%
|
| X | 4,800,000 | Phoenix | 8%
|
| T | 6,900,000 | Surat | 8%
|
| P | 1,700,000 | Gaziantep | 3%
|
| Z | 2,175,000 | Santa Cruz | 0%
|