| Letter | Population | Population Rank # | Country | % Correct |
|---|---|---|---|---|
| B | 212,559,417 | 6 | Brazil | 100%
|
| C | 1,439,323,776 | 1 | China | 100%
|
| I | 1,380,004,385 | 2 | India | 100%
|
| J | 126,476,461 | 11 | Japan | 100%
|
| R | 145,034,462 | 9 | Russia | 100%
|
| F | 65,273,511 | 22 | France | 97%
|
| U | 331,002,651 | 3 | United States | 97%
|
| V | 97,338,579 | 15 | Vietnam | 97%
|
| Z | 18,383,955 | 65 | Zambia | 97%
|
| G | 83,783,942 | 19 | Germany | 93%
|
| A | 45,195,774 | 32 | Argentina | 90%
|
| E | 102,334,404 | 14 | Egypt | 90%
|
| P | 220,892,340 | 5 | Pakistan | 90%
|
| T | 84,339,067 | 17 | Turkey | 90%
|
| K | 53,771,296 | 27 | Kenya | 86%
|
| M | 128,932,753 | 10 | Mexico | 86%
|
| N | 206,139,589 | 7 | Nigeria | 86%
|
| H | 11,402,528 | 82 | Haiti | 83%
|
| L | 7,275,560 | 105 | Laos | 83%
|
| D | 89,561,403 | 16 | D. R. Congo | 79%
|
| S | 59,308,690 | 25 | South Africa | 76%
|