| Continent | Silent Letter | Country | % Correct |
|---|---|---|---|
| Africa | D | Djibouti | 75%
|
| Asia | H | Bhutan | 66%
|
| Asia | H | Kazakhstan | 61%
|
| Asia | H | Afghanistan | 55%
|
| Asia | H | Thailand | 51%
|
| Asia | H | Bahrain | 46%
|
| Europe | H | Czech Republic | 46%
|
| Africa | H | Ghana | 45%
|
| Europe | H | Liechtenstein | 36%
|
| Africa | H | Lesotho | 35%
|