| Letter | Megacity | % Correct |
|---|---|---|
| B | Bangkok | Beijing | Bengaluru | Bogotá | Buenos Aires | 96%
|
| M | Manila | Mexico City | Moscow | Mumbai | 96%
|
| L | Lahore | Lagos | Lima | London | Los Angeles | 95%
|
| S | São Paulo | Seoul | Shanghai | 95%
|
| T | Taipei | Tehran | Tianjin | Tokyo | 95%
|
| J | Jakarta | Johannesburg | 94%
|
| C | Cairo | Changsha | Chengdu | Chennai | Chongqing | 84%
|
| K | Karachi | Kinshasa | Kolkata | 84%
|
| N | Nagoya | New York City | 84%
|
| P | Paris | 84%
|
| D | Delhi | Dhaka | 83%
|
| X | Xiamen | Xi'an | 77%
|
| O | Osaka | 75%
|
| G | Guangzhou | 72%
|
| H | Hangzhou | Ho Chi Minh City | Hyderabad | 71%
|
| W | Wuhan | 71%
|
| R | Rio de Janeiro | 70%
|
| I | Istanbul | 64%
|
| Z | Zhengzhou | 34%
|