| Population | Letter | Answer | % Correct |
|---|---|---|---|
| 1,456,454,497 | C | China | 100%
|
| 1,419,931,280 | I | India | 100%
|
| 336,719,845 | U | United States | 98%
|
| 65,988,672 | F | France | 95%
|
| 146,069,842 | R | Russia | 93%
|
| 216,997,124 | B | Brazil | 90%
|
| 3,229,985 | Q | Qatar | 90%
|
| 46,246,636 | A | Argentina | 88%
|
| 126,268,583 | J | Japan | 88%
|
| 83,792,041 | G | Germany | 86%
|
| 132,999,924 | M | Mexico | 86%
|
| 218,405,995 | N | Nigeria | 86%
|
| 6,245,216 | O | Oman | 86%
|
| 31,566,100 | Y | Yemen | 86%
|
| 99,829,679 | V | Vietnam | 83%
|
| 19,574,703 | Z | Zambia | 81%
|
| 11,753,759 | H | Haiti | 79%
|
| 86,351,361 | T | Turkey | 76%
|
| 121,370,970 | E | Ethiopia | 74%
|
| 57,027,229 | K | Kenya | 74%
|
| 231,253,344 | P | Pakistan | 71%
|
| 7,547,275 | L | Laos | 69%
|
| 95,843,270 | D | Democratic Republic of the Congo | 64%
|
| 60,974,107 | S | South Africa | 64%
|