EXTENT OF WATER POLLUTION IN AFRICA
| Rank | Country | Percentage of population using unimproved water |
| 1 | Somalia | 70 |
| 2 | Ethiopia | 62 |
| 3 | Democratic Republic of Congo | 54 |
| 4 | Madagascar | 59 |
| 5 | Mozambique | 53 |
| 6 | Niger | 52 |
| 7 | Sierra Leone | 51 |
| 8 | Mauritania | 51 |
| 9 | Angola | 50 |
| 10 | Chad | 50 |
| 11 | Tanzania | 46 |
| 12 | Mali | 44 |
| 13 | Sudan | 43 |
| 14 | Nigeria | 42 |
| 15 | Kenya | 41 |
| 16 | Togo | 40 |
| 17 | Zambia | 40 |
| 18 | Eritrea | 39 |
| 19 | Rwanda | 35 |
| 20 | Uganda | 33 |
| 21 | Central African Republic | 33 |
| 22 | Liberia | 32 |
| 23 | Senegal | 31 |
| 24 | Swaziland | 31 |
| 25 | Guinea | 29 |
| 26 | Congo | 29 |
| 27 | Burundi | 28 |
| 28 | Cameroon | 26 |
| 29 | Benin | 25 |
| 30 | Burkina Faso | 24 |
| 31 | Malawi | 20 |
| 32 | Côte d'Ivoire | 20 |
| 33 | Morocco | 19 |
| 34 | Ghana | 18 |
| 35 | Zimbabwe | 18 |
| 36 | Algeria | 17 |
| 37 | Cape Verde | 16 |
| 38 | Lesotho | 15 |
| 39 | Gabon | 13 |
| 40 | Sao Tome and Principe | 11 |
| 41 | South Africa | 9 |
| 42 | Djibouti | 8 |
| 43 | Gambia | 8 |
| 44 | Namibia | 8 |
| 45 | Tunisia | 6 |
| 46 | Botswana | 5 |
| 47 | Comoros | 5 |
| 48 | Mauritius | 1 |
| 49 | Egypt | 1 |
| 50 | Equatorial Guinea | 0 |
| 51 | Libya | 0 |
| 52 | Seychelles | 0 |
KEY: The data in the table above is for 2008.
Source:http://www.wssinfo.org/data-estimates/table/
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