| Vowels | Country | % Correct |
|---|---|---|
| 11 | Democratic Republic of the Congo | 89%
|
| 12 | Federated States of Micronesia | 83%
|
| 10 | Saint Vincent and the Grenadines | 65%
|
| 9 | United Arab Emirates | 65%
|
| 8 | Central African Republic | 61%
|
| 8 | Antigua and Barbuda | 57%
|
| 8 | Papua New Guinea | 57%
|
| 8 | São Tomé and Príncipe | 46%
|
| 9 | Bosnia and Herzegovina | 44%
|
| 10 | Equatorial Guinea | 39%
|