| Rank difference | Country | % Correct |
|---|---|---|
| 68 | D. R. Congo | 92%
|
| 107 | Niger | 87%
|
| 83 | Sudan | 87%
|
| 111 | Chad | 86%
|
| 96 | Mongolia | 85%
|
| 93 | Mali | 82%
|
| 77 | Rep. of the Congo | 81%
|
| 80 | Libya | 79%
|
| 118 | South Sudan | 77%
|
| 114 | Mauritania | 75%
|
| 111 | Namibia | 74%
|
| 108 | Somalia | 69%
|
| 124 | Central African Republic | 68%
|
| 91 | Mozambique | 68%
|
| 86 | Botswana | 60%
|
| 74 | Madagascar | 57%
|
| 68 | Yemen | 37%
|
| 81 | Papua New Guinea | 34%
|
| 74 | Eritrea | 24%
|
| 68 | Suriname | 11%
|