| River | Country | % Correct |
|---|---|---|
| Congo | D.R. Congo | 87%
|
| Congo | Rep. of the Congo | 86%
|
| Niger | Niger | 80%
|
| Niger | Nigeria | 59%
|
| Indus | India | 56%
|
| Zambezi | Zambia | 54%
|
| Gambia | Gambia | 46%
|
| Paraguay | Paraguay | 43%
|
| Jordan | Jordan | 42%
|
| Uruguay | Uruguay | 41%
|
| Senegal | Senegal | 38%
|
| Belize | Belize | 10%
|
| Moldova | Moldova | 9%
|
| Bosna | Bosnia and Herzegovina | 6%
|
| Leitava | Lithuania | 3%
|