| Average Age in Years | Country | % Correct |
|---|---|---|
| 15.1 | Niger | 92%
|
| 18.3 | Nigeria | 92%
|
| 17.9 | Democratic Republic of the Congo | 83%
|
| 17.2 | Chad | 80%
|
| 17.6 | Ethiopia | 78%
|
| 16 | Mali | 75%
|
| 17.7 | Somalia | 74%
|
| 18.4 | Senegal | 72%
|
| 16.8 | South Sudan | 72%
|
| 17.9 | Angola | 71%
|
| 17.7 | Benin | 71%
|
| 18.2 | Guinea | 71%
|
| 17.3 | Togo | 71%
|
| 16.7 | Zambia | 71%
|
| 18.2 | Cameroon | 68%
|
| 17 | Burundi | 67%
|
| 16.9 | Mozambique | 67%
|
| 17.9 | Liberia | 66%
|
| 16.3 | Malawi | 66%
|
| 17.4 | Tanzania | 66%
|
| 15.5 | Uganda | 63%
|
| 17 | Burkina Faso | 59%
|
| 17.8 | São Tomé and Príncipe | 42%
|
| 18.1 | Afghanistan | 36%
|
| 18.5 | East Timor | 22%
|