| Area (km²) | Country | % Correct |
|---|---|---|
| 21,471,000 | Soviet Union | 100%
|
| 15,209,000 | United Kingdom | 100%
|
| 9,841,000 | United States | 99%
|
| 8,755,000 | China | 96%
|
| 12,666,000 | France | 96%
|
| 8,511,000 | Brazil | 94%
|
| 9,542,000 | Canada | 93%
|
| 2,793,000 | Argentina | 91%
|
| 7,704,000 | Australia | 91%
|
| 3,781,000 | Italy | 90%
|
| 1,984,000 | Japan | 89%
|
| 1,969,000 | Mexico | 84%
|
| 1,643,000 | Iran | 81%
|
| 2,095,000 | Netherlands | 77%
|
| 2,191,000 | Portugal | 75%
|
| 2,441,000 | Belgium | 73%
|
| 2,150,000 | Saudi Arabia | 72%
|
| 1,249,000 | Peru | 69%
|
| 1,612,000 | Mongolia | 64%
|
| 1,313,000 | Bolivia | 44%
|