| Age | Country | % Correct |
|---|---|---|
| 53.6 | Chad | 91%
|
| 57.3 | Somalia | 86%
|
| 60.6 | Democratic Republic of the Congo | 84%
|
| 60.0 | Mali | 84%
|
| 55.4 | Central African Republic | 80%
|
| 53.8 | Nigeria | 80%
|
| 56.5 | South Sudan | 80%
|
| 59.5 | Guinea | 73%
|
| 60.5 | Burkina Faso | 68%
|
| 60.5 | Guinea Bissau | 68%
|
| 60.7 | Sierra Leone | 68%
|
| 60.4 | Benin | 59%
|
| 60.1 | Ivory Coast | 50%
|
| 54.9 | Lesotho | 48%
|
| 57.7 | Eswatini | 45%
|
| 59.5 | Namibia | 30%
|