| Total Area | % Basin | Basin Area | Country | % Correct |
|---|---|---|---|---|
| 2,725,000 | 70 | 1,907,500 | Kazakhstan | 92%
|
| 1,566,000 | 70 | 1,096,200 | Mongolia | 87%
|
| 448,978 | 100 | 448,978 | Uzbekistan | 81%
|
| 491,210 | 100 | 491,210 | Turkmenistan | 76%
|
| 1,284,000 | 95 | 1,219,800 | Chad | 75%
|
| 652,864 | 85 | 554,934 | Afghanistan | 63%
|
| 1,648,000 | 80 | 1,318,400 | Iran | 58%
|
| 2,150,000 | 70 | 1,505,000 | Saudi Arabia | 52%
|
| 2,382,000 | 90 | 2,143,800 | Algeria | 49%
|
| 600,370 | 80 | 480,296 | Botswana | 42%
|