| Letter | Islands per million people | Country | % Correct |
|---|---|---|---|
| R | 9 | Russia | 96%
|
| F | 31,822 | Finland | 92%
|
| D | 68 | Denmark | 88%
|
| H | 9 | Honduras | 88%
|
| J | 115 | Japan | 88%
|
| S | 25,108 | Sweden | 88%
|
| U | 91 | United Kingdom | 88%
|
| V | 248 | Vanuatu | 88%
|
| N | 42,514 | Norway | 85%
|
| P | 11,323 | Palau | 85%
|
| C | 2189 | Chile | 81%
|
| G | 604 | Greece | 81%
|
| K | 242 | Kiribati | 81%
|
| T | 1629 | Tonga | 81%
|
| I | 5022 | Iceland | 77%
|
| E | 1752 | Estonia | 73%
|
| B | 1737 | Bahamas | 69%
|
| M | 2250 | Maldives | 69%
|
| A | 573 | Antigua and Barbuda | 65%
|
| L | 508 | Laos | 46%
|