| Basin Name | 
Total area of basin (sq. km) (1) | 
Country name | 
Area of country in basin (sq. km) | 
Percent area of country in basin (%) | 
| 
Akpa (2)
 | 
4 900
 | 
Cameroon
 | 
3 000
 | 
61.65
 | 
| 
 
 | 
 
 | 
Nigeria
 | 
1 900
 | 
38.17
 | 
| 
Atui (3)
 | 
32 600
 | 
Mauritania
 | 
20 500
 | 
62.91
 | 
| 
 
 | 
 
 | 
Western Sahara
 | 
11 200
 | 
34.24
 | 
| 
Awash
 | 
154 900
 | 
Ethiopia
 | 
143 700
 | 
92.74
 | 
| 
 
 | 
 
 | 
Djibouti
 | 
11 000
 | 
7.09
 | 
| 
 
 | 
 
 | 
Somalia
 | 
300
 | 
0.16
 | 
| 
Baraka
 | 
66 200
 | 
Eritrea
 | 
41 500
 | 
62.57
 | 
| 
 
 | 
 
 | 
Sudan
 | 
24 800
 | 
37.43
 | 
| 
Benito/Ntem
 | 
45 100
 | 
Cameroon
 | 
18 900
 | 
41.87
 | 
| 
 
 | 
 
 | 
Equatorial Guinea
 | 
15 400
 | 
34.11
 | 
| 
 
 | 
 
 | 
Gabon
 | 
10 800
 | 
23.86
 | 
| 
Bia
 | 
11 100
 | 
Ghana
 | 
6 400
 | 
57.58
 | 
| 
 
 | 
 
 | 
Ivory Coast
 | 
4 500
 | 
40.28
 | 
| 
Buzi
 | 
27 700
 | 
Mozambique
 | 
24 500
 | 
88.35
 | 
| 
 
 | 
 
 | 
Zimbabwe
 | 
3 200
 | 
11.65
 | 
| 
Cavally
 | 
30 600
 | 
Ivory Coast
 | 
16 600
 | 
54.12
 | 
| 
 
 | 
 
 | 
Liberia
 | 
12 700
 | 
41.66
 | 
| 
 
 | 
 
 | 
Guinea
 | 
1 300
 | 
4.22
 | 
| 
Cestos
 | 
15 000
 | 
Liberia
 | 
12 800
 | 
84.99
 | 
| 
 
 | 
 
 | 
Ivory Coast
 | 
2 200
 | 
14.91
 | 
| 
 
 | 
 
 | 
Guinea
 | 
20
 | 
0.11
 | 
| 
Chiloango
 | 
11 600
 | 
Congo  Democratic Republic of (Kinshasa)
 | 
7 500
 | 
64.60
 | 
| 
 
 | 
 
 | 
Angola
 | 
3 800
 | 
32.71
 | 
| 
 
 | 
 
 | 
Congo  Republic of the (Brazzaville)
 | 
300
 | 
2.69
 | 
| 
Congo/Zaire (4, 
5)
 | 
3 691 000
 | 
Congo  Democratic Republic of (Kinshasa)
 | 
2 302 800
 | 
62.39
 | 
| 
 
 | 
 
 | 
Central African Republic
 | 
400 800
 | 
10.86
 | 
| 
 
 | 
 
 | 
Angola
 | 
290 600
 | 
7.87
 | 
| 
 
 | 
 
 | 
Congo  Republic of the (Brazzaville)
 | 
248 100
 | 
6.72
 | 
| 
 
 | 
 
 | 
Zambia
 | 
176 000
 | 
4.77
 | 
| 
 
 | 
 
 | 
Tanzania, United Republic of
 | 
166 300
 | 
4.51
 | 
| 
 
 | 
 
 | 
Cameroon
 | 
85 200
 | 
2.31
 | 
| 
 
 | 
 
 | 
Burundi
 | 
14 400
 | 
0.39
 | 
| 
 
 | 
 
 | 
Rwanda
 | 
4 500
 | 
0.12
 | 
| 
 
 | 
 
 | 
Sudan
 | 
1 400
 | 
0.04
 | 
| 
 
 | 
 
 | 
Gabon
 | 
500
 | 
0.01
 | 
| 
 
 | 
 
 | 
Malawi
 | 
100
 | 
0.00
 | 
| 
 
 | 
 
 | 
Uganda
 | 
70
 | 
0.00
 | 
| 
Corubal
 | 
24 000
 | 
Guinea
 | 
17 500
 | 
72.71
 | 
| 
 
 | 
 
 | 
Guinea-Bissau
 | 
6 500
 | 
27.02
 | 
| 
Cross
 | 
52 800
 | 
Nigeria
 | 
40 300
 | 
76.34
 | 
| 
 
 | 
 
 | 
Cameroon
 | 
12 500
 | 
23.66
 | 
| 
Cuvelai/Etosha
 | 
167 400
 | 
Namibia
 | 
114 100
 | 
68.15
 | 
| 
 
 | 
 
 | 
Angola
 | 
53 300
 | 
31.85
 | 
| 
Daoura
 | 
34 500
 | 
Morocco
 | 
18 200
 | 
52.72
 | 
| 
 
 | 
 
 | 
Algeria
 | 
16 300
 | 
47.28
 | 
| 
Dra
 | 
96 400
 | 
Morocco
 | 
75 800
 | 
78.65
 | 
| 
 
 | 
 
 | 
Algeria
 | 
20 600
 | 
21.33
 | 
| 
Gambia
 | 
69 900
 | 
Senegal
 | 
50 700
 | 
72.48
 | 
| 
 
 | 
 
 | 
Guinea
 | 
13 200
 | 
18.92
 | 
| 
 
 | 
 
 | 
Gambia
 | 
5 900
 | 
8.51
 | 
| 
Gash
 | 
40 000
 | 
Eritrea
 | 
21 400
 | 
53.39
 | 
| 
 
 | 
 
 | 
Sudan
 | 
9 600
 | 
24.09
 | 
| 
 
 | 
 
 | 
Ethiopia
 | 
9 000
 | 
22.52
 | 
| 
Geba
 | 
12 800
 | 
Guinea-Bissau
 | 
8 700
 | 
67.69
 | 
| 
 
 | 
 
 | 
Senegal
 | 
4 100
 | 
31.88
 | 
| 
 
 | 
 
 | 
Guinea
 | 
50
 | 
0.42
 | 
| 
Great Scarcies
 | 
12 100
 | 
Guinea
 | 
9 000
 | 
74.96
 | 
| 
 
 | 
 
 | 
Sierra Leone
 | 
3 000
 | 
25.04
 | 
| 
Guir
 | 
78 900
 | 
Algeria
 | 
61 200
 | 
77.53
 | 
| 
 
 | 
 
 | 
Morocco
 | 
17 700
 | 
22.47
 | 
| 
Incomati (6)
 | 
46 700
 | 
South Africa
 | 
29 200
 | 
62.47
 | 
| 
 
 | 
 
 | 
Mozambique
 | 
14 600
 | 
31.20
 | 
| 
 
 | 
 
 | 
Swaziland
 | 
3 000
 | 
6.33
 | 
| 
Juba-Shibeli
 | 
803 500
 | 
Ethiopia
 | 
367 400
 | 
45.72
 | 
| 
 
 | 
 
 | 
Somalia
 | 
220 900
 | 
27.49
 | 
| 
 
 | 
 
 | 
Kenya
 | 
215 300
 | 
26.79
 | 
| 
Komoe
 | 
78 100
 | 
Ivory Coast
 | 
58 300
 | 
74.67
 | 
| 
 
 | 
 
 | 
Burkina Faso
 | 
16 900
 | 
21.66
 | 
| 
 
 | 
 
 | 
Ghana
 | 
2 200
 | 
2.85
 | 
| 
 
 | 
 
 | 
Mali
 | 
600
 | 
0.82
 | 
| 
Kunene
 | 
110 000
 | 
Angola
 | 
95 300
 | 
86.68
 | 
| 
 
 | 
 
 | 
Namibia
 | 
14 700
 | 
13.32
 | 
| 
Lake Chad (7)
 | 
2 388 700
 | 
Chad
 | 
1 079 200
 | 
45.18
 | 
| 
 
 | 
 
 | 
Niger
 | 
674 200
 | 
28.23
 | 
| 
 
 | 
 
 | 
Central African Republic
 | 
218 600
 | 
9.15
 | 
| 
 
 | 
 
 | 
Nigeria
 | 
180 200
 | 
7.54
 | 
| 
 
 | 
 
 | 
Algeria
 | 
90 000
 | 
3.77
 | 
| 
 
 | 
 
 | 
Sudan
 | 
82 800
 | 
3.47
 | 
| 
 
 | 
 
 | 
Cameroon
 | 
46 800
 | 
1.96
 | 
| 
 
 | 
 
 | 
Chad, claimed by Libya
 | 
12 300
 | 
0.51
 | 
| 
 
 | 
 
 | 
Libya
 | 
4 600
 | 
0.19
 | 
| 
Lake Natron
 | 
55 400
 | 
Tanzania, United Republic of
 | 
37 100
 | 
67.00
 | 
| 
 
 | 
 
 | 
Kenya
 | 
18 300
 | 
33.00
 | 
| 
Lake Turkana (8)
 | 
206 900
 | 
Ethiopia
 | 
113 200
 | 
54.69
 | 
| 
 
 | 
 
 | 
Kenya
 | 
89 700
 | 
43.36
 | 
| 
 
 | 
 
 | 
Uganda
 | 
2 500
 | 
1.21
 | 
| 
 
 | 
 
 | 
Sudan
 | 
1 500
 | 
0.70
 | 
| 
 
 | 
 
 | 
Sudan, administered by Kenya
 | 
70
 | 
0.03
 | 
| 
Limpopo
 | 
414 800
 | 
South Africa
 | 
183 500
 | 
44.25
 | 
| 
 
 | 
 
 | 
Mozambique
 | 
87 200
 | 
21.02
 | 
| 
 
 | 
 
 | 
Botswana
 | 
81 500
 | 
19.65
 | 
| 
 
 | 
 
 | 
Zimbabwe
 | 
62 600
 | 
15.08
 | 
| 
Little Scarcies
 | 
18 900
 | 
Sierra Leone
 | 
13 000
 | 
69.12
 | 
| 
 
 | 
 
 | 
Guinea
 | 
5 800
 | 
30.88
 | 
| 
Loffa
 | 
11 400
 | 
Liberia
 | 
10 100
 | 
88.56
 | 
| 
 
 | 
 
 | 
Guinea
 | 
1 300
 | 
11.38
 | 
| 
Lotagipi Swamp (8)
 | 
38 700
 | 
Kenya
 | 
20 300
 | 
52.33
 | 
| 
 
 | 
 
 | 
Sudan
 | 
9 900
 | 
25.54
 | 
| 
 
 | 
 
 | 
Sudan, administered by Kenya
 | 
3 300
 | 
8.52
 | 
| 
 
 | 
 
 | 
Ethiopia
 | 
3 200
 | 
8.32
 | 
| 
 
 | 
 
 | 
Uganda
 | 
2 100
 | 
5.29
 | 
| 
Mana-Morro
 | 
6 800
 | 
Liberia
 | 
5 700
 | 
82.84
 | 
| 
 
 | 
 
 | 
Sierra Leone
 | 
1 200
 | 
17.16
 | 
| 
Maputo (6)
 | 
30 700
 | 
South Africa
 | 
18 500
 | 
60.31
 | 
| 
 
 | 
 
 | 
Swaziland
 | 
10 600
 | 
34.71
 | 
| 
 
 | 
 
 | 
Mozambique
 | 
1 500
 | 
4.98
 | 
| 
Mbe
 | 
7 000
 | 
Gabon
 | 
6 500
 | 
92.97
 | 
| 
 
 | 
 
 | 
Equatorial Guinea
 | 
500
 | 
7.02
 | 
| 
Medjerda
 | 
23 100
 | 
Tunisia
 | 
15 600
 | 
67.53
 | 
| 
 
 | 
 
 | 
Algeria
 | 
7 600
 | 
32.90
 | 
| 
Moa
 | 
22 500
 | 
Sierra Leone
 | 
10 800
 | 
47.79
 | 
| 
 
 | 
 
 | 
Guinea
 | 
8 800
 | 
39.20
 | 
| 
 
 | 
 
 | 
Liberia
 | 
2 900
 | 
13.01
 | 
| 
Mono
 | 
23 400
 | 
Togo
 | 
22 300
 | 
95.19
 | 
| 
 
 | 
 
 | 
Benin
 | 
1 100
 | 
4.81
 | 
| 
Niger
 | 
2 113 200
 | 
Nigeria
 | 
561 900
 | 
26.59
 | 
| 
 
 | 
 
 | 
Mali
 | 
540 700
 | 
25.58
 | 
| 
 
 | 
 
 | 
Niger
 | 
497 900
 | 
23.56
 | 
| 
 
 | 
 
 | 
Algeria
 | 
161 300
 | 
7.63
 | 
| 
 
 | 
 
 | 
Guinea
 | 
95 900
 | 
4.54
 | 
| 
 
 | 
 
 | 
Cameroon
 | 
88 100
 | 
4.17
 | 
| 
 
 | 
 
 | 
Burkina Faso
 | 
82 900
 | 
3.93
 | 
| 
 
 | 
 
 | 
Benin
 | 
45 300
 | 
2.14
 | 
| 
 
 | 
 
 | 
Ivory Coast
 | 
22 900
 | 
1.08
 | 
| 
 
 | 
 
 | 
Chad
 | 
16 400
 | 
0.78
 | 
| 
 
 | 
 
 | 
Sierra Leone
 | 
50
 | 
0.00
 | 
| 
Nile (9)
 | 
3 031 700
 | 
Sudan
 | 
1 927 300
 | 
63.57
 | 
| 
 
 | 
 
 | 
Ethiopia
 | 
356 000
 | 
11.74
 | 
| 
 
 | 
 
 | 
Egypt
 | 
272 600
 | 
8.99
 | 
| 
 
 | 
 
 | 
Uganda
 | 
238 500
 | 
7.87
 | 
| 
 
 | 
 
 | 
Tanzania, United Republic of
 | 
120 200
 | 
3.96
 | 
| 
 
 | 
 
 | 
Kenya
 | 
50 900
 | 
1.68
 | 
| 
 
 | 
 
 | 
Congo, Democratic Republic of (Kinshasa)
 | 
21 400
 | 
0.71
 | 
| 
 
 | 
 
 | 
Rwanda
 | 
20 700
 | 
0.68
 | 
| 
 
 | 
 
 | 
Burundi
 | 
12 900
 | 
0.43
 | 
| 
 
 | 
 
 | 
Egypt, administered by Sudan
 | 
4 400
 | 
0.15
 | 
| 
 
 | 
 
 | 
Eritrea
 | 
3 500
 | 
0.12
 | 
| 
 
 | 
 
 | 
Sudan, administered by Egypt
 | 
2 000
 | 
0.07
 | 
| 
 
 | 
 
 | 
Central African Republic
 | 
1 200
 | 
0.04
 | 
| 
Nyanga
 | 
12 300
 | 
Gabon
 | 
11 500
 | 
93.56
 | 
| 
 
 | 
 
 | 
Congo, Republic of the (Brazzaville)
 | 
800
 | 
6.44
 | 
| 
Ogooue
 | 
223 000
 | 
Gabon
 | 
189 500
 | 
84.98
 | 
| 
 
 | 
 
 | 
Congo, Republic of the (Brazzaville)
 | 
26 300
 | 
11.79
 | 
| 
 
 | 
 
 | 
Cameroon
 | 
5 200
 | 
2.34
 | 
| 
 
 | 
 
 | 
Equatorial Guinea
 | 
2 000
 | 
0.89
 | 
| 
Okavango
 | 
706 900
 | 
Botswana
 | 
358 000
 | 
50.65
 | 
| 
 
 | 
 
 | 
Namibia
 | 
176 200
 | 
24.93
 | 
| 
 
 | 
 
 | 
Angola
 | 
150 100
 | 
21.23
 | 
| 
 
 | 
 
 | 
Zimbabwe
 | 
22 600
 | 
3.19
 | 
| 
Orange (6, 
10, 
11)
 | 
945 500
 | 
South Africa
 | 
563 900
 | 
59.65
 | 
| 
 
 | 
 
 | 
Namibia
 | 
240 200
 | 
25.40
 | 
| 
 
 | 
 
 | 
Botswana
 | 
121 400
 | 
12.85
 | 
| 
 
 | 
 
 | 
Lesotho
 | 
19 900
 | 
2.10
 | 
| 
Oued Bon Naima
 | 
500
 | 
Morocco
 | 
300
 | 
65.08
 | 
| 
 
 | 
 
 | 
Algeria
 | 
200
 | 
34.92
 | 
| 
Oueme
 | 
59 500
 | 
Benin
 | 
49 400
 | 
82.98
 | 
| 
 
 | 
 
 | 
Nigeria
 | 
9 700
 | 
16.29
 | 
| 
 
 | 
 
 | 
Togo
 | 
400
 | 
0.73
 | 
| 
Ruvuma (12)
 | 
151 700
 | 
Mozambique
 | 
99 000
 | 
65.27
 | 
| 
 
 | 
 
 | 
Tanzania, United Republic of
 | 
52 200
 | 
34.43
 | 
| 
 
 | 
 
 | 
Malawi
 | 
400
 | 
0.30
 | 
| 
Sabi
 | 
115 700
 | 
Zimbabwe
 | 
85 400
 | 
73.85
 | 
| 
 
 | 
 
 | 
Mozambique
 | 
30 300
 | 
26.15
 | 
| 
Sassandra
 | 
68 200
 | 
Ivory Coast
 | 
59 800
 | 
87.64
 | 
| 
 
 | 
 
 | 
Guinea
 | 
8 400
 | 
12.36
 | 
| 
Senegal
 | 
436 000
 | 
Mauritania
 | 
219 100
 | 
50.25
 | 
| 
 
 | 
 
 | 
Mali
 | 
150 800
 | 
34.59
 | 
| 
 
 | 
 
 | 
Senegal
 | 
35 200
 | 
8.08
 | 
| 
 
 | 
 
 | 
Guinea
 | 
30 800
 | 
7.07
 | 
| 
St. John (Africa)
 | 
15 600
 | 
Liberia
 | 
12 900
 | 
83.04
 | 
| 
 
 | 
 
 | 
Guinea
 | 
2 600
 | 
16.96
 | 
| 
St. Paul
 | 
21 200
 | 
Liberia
 | 
11 800
 | 
55.75
 | 
| 
 
 | 
 
 | 
Guinea
 | 
9 400
 | 
44.25
 | 
| 
Tafna
 | 
9 500
 | 
Algeria
 | 
7 000
 | 
74.39
 | 
| 
 
 | 
 
 | 
Morocco
 | 
2 400
 | 
25.60
 | 
| 
Tano
 | 
15 600
 | 
Ghana
 | 
13 700
 | 
87.96
 | 
| 
 
 | 
 
 | 
Ivory Coast
 | 
1 700
 | 
11.21
 | 
| 
Umba
 | 
8 200
 | 
Tanzania, United Republic of
 | 
6 800
 | 
83.58
 | 
| 
 
 | 
 
 | 
Kenya
 | 
1 300
 | 
16.41
 | 
| 
Umbeluzi (6)
 | 
10 900
 | 
Mozambique
 | 
7 200
 | 
65.87
 | 
| 
 
 | 
 
 | 
Swaziland
 | 
3 500
 | 
32.44
 | 
| 
 
 | 
 
 | 
South Africa
 | 
30
 | 
0.27
 | 
| 
Utamboni
 | 
7 700
 | 
Gabon
 | 
4 500
 | 
58.65
 | 
| 
 
 | 
 
 | 
Equatorial Guinea
 | 
3 100
 | 
40.40
 | 
| 
Volta
 | 
412 800
 | 
Burkina Faso
 | 
173 500
 | 
42.04
 | 
| 
 
 | 
 
 | 
Ghana
 | 
166 000
 | 
40.21
 | 
| 
 
 | 
 
 | 
Togo
 | 
25 800
 | 
6.26
 | 
| 
 
 | 
 
 | 
Mali
 | 
18 800
 | 
4.56
 | 
| 
 
 | 
 
 | 
Benin
 | 
15 000
 | 
3.63
 | 
| 
 
 | 
 
 | 
Ivory Coast
 | 
13 500
 | 
3.27
 | 
| 
Zambezi (13, 
14)
 | 
1 385 300
 | 
Zambia
 | 
576 900
 | 
41.64
 | 
| 
 
 | 
 
 | 
Angola
 | 
254 600
 | 
18.38
 | 
| 
 
 | 
 
 | 
Zimbabwe
 | 
215 500
 | 
15.55
 | 
| 
 
 | 
 
 | 
Mozambique
 | 
163 500
 | 
11.81
 | 
| 
 
 | 
 
 | 
Malawi
 | 
110 400
 | 
7.97
 | 
| 
 
 | 
 
 | 
Tanzania, United Republic of
 | 
27 200
 | 
1.97
 | 
| 
 
 | 
 
 | 
Botswana
 | 
18 900
 | 
1.37
 | 
| 
 
 | 
 
 | 
Namibia
 | 
17 200
 | 
1.24
 | 
| 
 
 | 
 
 | 
Congo, Democratic Republic of (Kinshasa)
 | 
1 100
 | 
0.08
 |