| Letter | Population | Country | % Correct |
|---|---|---|---|
| A | 750 | Vatican City | 97%
|
| C | 750 | Vatican City | 97%
|
| I | 750 | Vatican City | 97%
|
| N | 750 | Vatican City | 97%
|
| T | 750 | Vatican City | 97%
|
| V | 750 | Vatican City | 97%
|
| Y | 750 | Vatican City | 97%
|
| M | 34 k | San Marino | 79%
|
| O | 34 k | San Marino | 79%
|
| R | 34 k | San Marino | 79%
|
| S | 34 k | San Marino | 79%
|
| P | 18 k | Palau | 78%
|
| E | 40 k | Liechtenstein | 73%
|
| H | 40 k | Liechtenstein | 73%
|
| L | 11 k | Tuvalu | 71%
|
| U | 11 k | Tuvalu | 71%
|
| X | 658 k | Luxembourg | 67%
|
| J | 940 k | Fiji | 65%
|
| K | 48 k | Saint Kitts and Nevis | 60%
|
| B | 95 k | Antigua and Barbuda | 59%
|
| G | 95k | Antigua and Barbuda | 59%
|
| F | 116 k | Federated States of Micronesia | 58%
|
| D | 42 k | Marshall Islands | 58%
|
| Z | 414 k | Belize | 37%
|
| Q | 1.7 m | Equatorial Guinea | 37%
|
| W | 1.2 m | Eswatini | 34%
|