| Letter | Number of neighbours | Country | % Correct |
|---|---|---|---|
| A | 0 | Antigua and Barbuda, Australia | 99%
|
| Z | 4 | Zimbabwe | 98%
|
| F | 0 | Federated States of Micronesia, Fiji | 97%
|
| J | 0 | Jamaica, Japan | 97%
|
| M | 0 | Madagascar, Maldives, Malta, etc. | 97%
|
| B | 0 | Bahamas, Bahrain, Barbados | 96%
|
| C | 0 | Cabo Verde, Comoros, Cuba | 96%
|
| O | 3 | Oman | 96%
|
| S | 0 | Samoa, Seychelles, Singapore, etc. | 96%
|
| H | 1 | Haiti | 95%
|
| Q | 1 | Qatar | 95%
|
| T | 0 | Taiwan, Tonga, Tuvalu, etc. | 95%
|
| Y | 2 | Yemen | 95%
|
| N | 0 | Nauru, New Zealand | 94%
|
| D | 0 | Dominica | 92%
|
| I | 0 | Iceland | 92%
|
| P | 0 | Palau, Philippines | 91%
|
| R | 4 | Rwanda | 90%
|
| V | 0 | Vanuatu | 90%
|
| K | 0 | Kiribati | 88%
|
| G | 0 | Grenada | 87%
|
| U | 1 | United Kingdom | 87%
|
| E | 1 | East Timor | 78%
|
| L | 1 | Lesotho | 74%
|