| Letter | Population of capital | Country | % Correct |
|---|---|---|---|
| F | 2,139,907 | France | 96%
|
| C | 21,542,000 | China | 95%
|
| J | 14,094,034 | Japan | 94%
|
| R | 13,104,177 | Russia | 94%
|
| O | 1,294,101 | Oman | 93%
|
| U | 9,002,488 | United Kingdom | 93%
|
| Y | 2,575,347 | Yemen | 93%
|
| I | 10,562,088 | Indonesia | 91%
|
| Q | 1,186,023 | Qatar | 91%
|
| Z | 2,731,696 | Zambia | 91%
|
| G | 3,677,472 | Germany | 89%
|
| V | 8,053,663 | Vietnam | 86%
|
| H | 1,706,851 | Hungary | 84%
|
| E | 10,107,125 | Egypt | 81%
|
| M | 9,209,944 | Mexico | 81%
|
| D | 12,691,000 | Democratic Republic of the Congo | 77%
|
| K | 4,397,073 | Kenya | 77%
|
| S | 9,508,451 | South Korea | 75%
|
| B | 8,906,039 | Bangladesh | 72%
|
| P | 10,151,000 | Peru | 72%
|
| T | 8,305,218 | Thailand | 72%
|
| L | 1,170,000 | Libya | 62%
|
| N | 2,870,000 | North Korea | 60%
|
| A | 4,601,789 | Afghanistan | 59%
|