| Letter | Birth Rate | Country | % Correct |
|---|---|---|---|
| J | 1.3 | Japan | 96%
|
| O | 2.5 | Oman | 91%
|
| Y | 3.6 | Yemen | 91%
|
| Z | 3.3 | Zimbabwe | 91%
|
| Q | 1.8 | Qatar | 89%
|
| R | 1.5 | Russia | 89%
|
| S | 0.9 | South Korea | 89%
|
| V | 1.9 | Vietnam | 87%
|
| E | 1.7 | Estonia | 82%
|
| F | 1.4 | Finland | 82%
|
| H | 1.5 | Hungary | 82%
|
| J | 1.3 | Jamaica | 82%
|
| I | 1.3 | Italy | 80%
|
| U | 1.3 | Ukraine | 80%
|
| C | 1.2 | China | 76%
|
| L | 1.4 | Luxembourg | 71%
|
| A | 1.3 | Andorra | 69%
|
| B | 1.3 | Bosnia and Herzegovina | 67%
|
| M | 1.2 | Malta | 64%
|
| D | 1.6 | Dominica | 62%
|
| T | 1.3 | Thailand | 62%
|
| K | 1.6 | Kosovo | 60%
|
| P | 0.8 | Palau | 60%
|
| G | 1.4 | Greece | 58%
|
| N | 1.4 | North Macedonia | 56%
|