| km² | Bassin fluvial | % Correct |
|---|---|---|
| 3.7 mil | Congo | 100%
|
| 2.3 mil | Niger | 100%
|
| 77.1 k | Gambie | 90%
|
| 3.3 mil | Nil | 90%
|
| 420 k | Sénégal | 90%
|
| 1.3 mil | Zambèze | 80%
|
| 941 k | Orange | 70%
|
| 407 k | Volta | 70%
|
| 421 k | Limpopo | 60%
|
| 358 k | Okavango | 50%
|
| 549 k | Chari | 40%
|
| 498 k | Jubba | 30%
|
| 224 k | Ogooué | 30%
|
| 99.7 k | Bandama | 20%
|
| 54.0 k | Cross | 20%
|
| 115 k | Drâa | 20%
|
| 78.0 k | Komo | 20%
|
| 150 k | Kwanza | 20%
|
| 54.0 k | Moulouya | 20%
|
| 204 k | Rufiji | 20%
|
| 140 k | Sanaga | 20%
|
| 74.5 k | Sassandra | 20%
|
| 110 k | Awash | 10%
|
| 66.2 k | Barka | 10%
|
| 51.0 k | Batha | 10%
|
| 337 k | Chébéli | 10%
|
| 68.6 k | Ekuma | 10%
|
| 183 k | Komadougou Yobé | 10%
|
| 61.7 k | Kouilou-Niari | 10%
|
| 107 k | Kunene | 10%
|
| 60.8 k | Lúrio | 10%
|
| 55.8 k | Mangoky | 10%
|
| 70.0 k | Nugaal | 10%
|
| 113 k | Okwa | 10%
|
| 86.7 k | Omo | 10%
|
| 95.0 k | Oued Saoura | 10%
|
| 156 k | Ruvuma | 10%
|
| 65.0 k | Saguia el-Hamra | 10%
|
| 106 k | Savé | 10%
|
| 126 k | Tana | 10%
|