| Letter | Urban pop. | Answer | % Correct |
|---|---|---|---|
| B | 19,618,000 | Beijing | 92%
|
| M | 21,581,000 | Mexico City | 88%
|
| T | 37,468,000 | Tokyo | 88%
|
| C | 20,076,000 | Cairo | 84%
|
| N | 18,819,000 | New York City | 80%
|
| S | 25,582,000 | Shanghai | 80%
|
| I | 14,751,000 | Istanbul | 76%
|
| O | 19,281,000 | Ōsaka | 76%
|
| G | 12,638,000 | Guangzhou | 72%
|
| L | 13,463,000 | Lagos | 72%
|
| P | 10,901,000 | Paris | 72%
|
| R | 13,293,000 | Rio de Janeiro | 68%
|
| D | 28,514,000 | Delhi | 64%
|
| J | 10,517,000 | Jakarta | 60%
|
| X | 7,440,000 | Xi’an | 60%
|
| W | 8,176,000 | Wuhan | 56%
|
| V | 2,030,000 | Vienna | 52%
|
| A | 7,681,000 | Ahmedabad | 48%
|
| Q | 5,381,000 | Qingdao | 44%
|
| U | 4,080,000 | Ürümqi | 40%
|
| K | 15,400,000 | Karachi | 36%
|
| Y | 5,157,000 | Yangon | 32%
|
| Z | 10,400,000 | Zhengzhou | 32%
|
| H | 9,482,000 | Hyderabad | 24%
|
| F | 7,236,000 | Foshan | 16%
|
| E | 1,660,000 | Ecatepec de Morelos | 4%
|