| Letter | Density | Country | % Correct |
|---|---|---|---|
| Y | 56 | Yemen | 97%
|
| O | 16 | Oman | 95%
|
| Z | 38 | Zimbabwe | 95%
|
| M | 26,337 | Monaco | 93%
|
| Q | 248 | Qatar | 93%
|
| V | 2,003 | Vatican City | 92%
|
| H | 414 | Haiti | 90%
|
| I | 464 | India | 87%
|
| J | 347 | Japan | 84%
|
| S | 8,358 | Singapore | 84%
|
| U | 281 | United Kingdom | 80%
|
| B | 2,239 | Bahrain | 74%
|
| D | 225 | Dominican Republic | 72%
|
| R | 525 | Rwanda | 70%
|
| G | 331 | Grenada | 66%
|
| K | 240 | Kuwait | 62%
|
| F | 784 | Federated States of Micronesia | 61%
|
| P | 368 | Philippines | 59%
|
| A | 223 | Antigua and Barbuda | 57%
|
| E | 313 | El Salvador | 57%
|
| N | 541 | Nauru | 57%
|
| L | 667 | Lebanon | 54%
|
| T | 673 | Taiwan | 52%
|
| C | 467 | Comoros | 44%
|