| River | Country | % Correct |
|---|---|---|
| Nile | Egypt | 99%
|
| Amazon | Brazil | 95%
|
| Danube, Rhine | Germany | 93%
|
| Niger | Niger | 93%
|
| Nile | Sudan | 93%
|
| Nile | South Sudan | 90%
|
| Mekong | China | 89%
|
| Niger | Nigeria | 89%
|
| Danube, Rhine | Austria | 88%
|
| Mekong | Vietnam | 87%
|
| Rhine | France | 85%
|
| Euphrates | Iraq | 84%
|
| Mekong | Laos | 84%
|
| Nile | Ethiopia | 83%
|
| Danube | Hungary | 83%
|
| Mekong | Cambodia | 82%
|
| Amazon | Colombia | 82%
|
| Amazon | Peru | 82%
|
| Rhine | Switzerland | 82%
|
| Mekong | Thailand | 82%
|
| Danube | Romania | 78%
|
| Rio Grande | United States | 78%
|
| Rio Grande | Mexico | 77%
|
| Zambezi | Zambia | 76%
|
| Mekong | Burma | 75%
|
| Danube | Slovakia | 75%
|
| Euphrates | Syria | 74%
|
| Zambezi | Zimbabwe | 74%
|
| Zambezi | DR Congo | 73%
|
| Rhine | Netherlands | 72%
|
| Euphrates | Turkey | 71%
|
| Danube | Serbia | 70%
|
| Danube | Bulgaria | 69%
|
| Nile | Uganda | 69%
|
| Niger | Mali | 66%
|
| Zambezi | Botswana | 64%
|
| Zambezi | Angola | 62%
|
| Danube | Croatia | 61%
|
| Zambezi | Namibia | 59%
|
| Rhine | Liechtenstein | 58%
|
| Zambezi | Mozambique | 58%
|
| Danube | Ukraine | 56%
|
| Danube | Moldova | 50%
|
| Niger | Benin | 44%
|
| Niger | Guinea | 26%
|