| % | km² | Country | % Correct |
|---|---|---|---|
| 100 | 2,400,000 | Algeria | 88%
|
| 25 | 2,500,000 | Canada | 84%
|
| 56 | 400,000 | Morocco | 78%
|
| 22 | 2,140,000 | United States | 77%
|
| 100 | 1,240,000 | Mali | 73%
|
| 100 | 1,270,000 | Niger | 73%
|
| 100 | 650,000 | France | 71%
|
| 100 | 1,280,000 | Chad | 68%
|
| 100 | 340,000 | Rep. of the Congo | 66%
|
| 100 | 1,030,000 | Mauritania | 63%
|
| 100 | 330,000 | Vietnam | 60%
|
| 100 | 320,000 | Ivory Coast | 48%
|
| 100 | 620,000 | Central African Republic | 46%
|
| 100 | 590,000 | Madagascar | 37%
|