| Angola | Eritrea | Malawi | Senegal |
| Benin | Ethiopia | Mali | Seychelles |
| Botswana | Gabon | Mauritius | Sierra Leone |
| Burkina Faso | Gambia | Mozambique | South Africa |
| Burundi | Ghana | Namibia | Sudan |
| Cameroon | Guinea | Niger | Swaziland |
| Central African Republic | Kenya | Nigeria | Tanzania |
| Chad | Lesotho | Republic of Congo | Togo |
| Côte d’Ivoire | Liberia | Rwanda | Uganda |
| Democratic Republic of Congo | Madagascar | Sahel | Zambia |
| Zimbabwe |
| *Cape Verde (work undertaken by Sahel) | *Equatorial Guinea (work undertaken by Cameroon) | *Mayotte (work undertaken by Madagascar) | *Rodrigues (work undertaken by Mauritius) |
| *Comoros Islands (work undertaken by Madagascar) | *Guinea-Bissau (work undertaken by Sahel) | *Príncipe (work undertaken by Cameroon) | *São Tomé (work undertaken by Cameroon) |
| *Djibouti (work undertaken by Ethiopia) | *Mauritania (work undertaken by Sahel) | *Réunion (work undertaken by Mauritius) | *Somalia (work undertaken by Kenya) |
