| Basin | Pop. | City | % Correct |
|---|---|---|---|
| Nile | 23 mil | Cairo | 97%
|
| Orange | 15 mil | Johannesburg | 97%
|
| Limpopo | 15 mil | Johannesburg | 97%
|
| Congo | 16 mil | Kinshasa | 97%
|
| Chari | 2.0 mil | N'Djamena | 97%
|
| Yobe | 5.4 mil | Kano | 93%
|
| Niger | 5.7 mil | Bamako | 90%
|
| Volta | 3.4 mil | Ouagadougou | 90%
|
| Awash | 4.8 mil | Addis Ababa | 86%
|
| Zambezi | 3.0 mil | Lusaka | 86%
|
| Barka | 1.1 mil | Asmara | 83%
|
| Sanaga | 4.0 mil | Yaoundé | 83%
|
| Gambia | 1.2 mil | Banjul | 76%
|
| Cunene | 914 k | Lubango | 17%
|
| Jubba | 756 k | Bardere | 10%
|
| Bandama | 832 k | Bouaké | 10%
|
| Shebelle | 951 k | Gode | 7%
|