| Basin | Pop. | City | % Correct |
|---|---|---|---|
| Congo | 16 mil | Kinshasa | 100%
|
| Awash | 4.8 mil | Addis Ababa | 95%
|
| Orange | 15 mil | Johannesburg | 95%
|
| Limpopo | 15 mil | Johannesburg | 95%
|
| Volta | 3.4 mil | Ouagadougou | 95%
|
| Niger | 5.7 mil | Bamako | 90%
|
| Nile | 23 mil | Cairo | 90%
|
| Zambezi | 3.0 mil | Lusaka | 86%
|
| Chari | 2.0 mil | N'Djamena | 86%
|
| Sanaga | 4.0 mil | Yaoundé | 86%
|
| Barka | 1.1 mil | Asmara | 81%
|
| Gambia | 1.2 mil | Banjul | 81%
|
| Yobe | 5.4 mil | Kano | 81%
|
| Saguia el-Hamra | 218 k | Laayoune | 43%
|
| Senegal | 254 k | Saint-Louis | 38%
|
| Bandama | 832 k | Bouaké | 29%
|
| Tana | 450 k | Garissa | 24%
|
| Nugaal | 426 k | Burao | 19%
|
| Cross | 371 k | Calabar | 19%
|
| Cuanza | 451 k | Cuíto | 19%
|
| Shebelle | 951 k | Gode | 19%
|
| Omo | 239 k | Jimma | 19%
|
| Cunene | 914 k | Lubango | 19%
|
| Save | 225 k | Mutare | 19%
|
| Jubba | 756 k | Bardere | 14%
|
| Sassandra | 422 k | Daloa | 14%
|
| Rufiji | 206 k | Ifakara | 14%
|
| Okavango | 321 k | Menongue | 14%
|