Demographic information of the study countries
| Country | Population (million) (2013) | Average GDP (US$) (2013) | Gender ratio (male:female) (2016) | Life expectancy (years) (2012) |
| West Africa | ||||
| Benin | 10.32 | 804.69 | 1.01 | 59.12 |
| Burkina Faso | 16.93 | 683.95 | 0.99 | 55.86 |
| Cote d’Ivoire | 20.32 | 1528.94 | 1.02 | 50.4 |
| Gambia | 1.85 | 488.57 | 0.98 | 58.61 |
| Ghana | 25.90 | 1858.24 | 0.97 | 60.95 |
| Guinea | 11.75 | 523.12 | 1.00 | 55.84 |
| Mali | 15.30 | 715.13 | 0.95 | 54.6 |
| Niger | 17.83 | 415.42 | 1.01 | 57.97 |
| Nigeria | 173.60 | 3005.51 | 1.04 | 52.11 |
| Senegal | 14.13 | 1046.59 | 0.94 | 63.2 |
| Sierra Leone | 6.09 | 678.96 | 0.95 | 45.33 |
| Togo | 6.82 | 636.44 | 0.98 | 56.15 |
| Central Africa | ||||
| Cameroon | 22.25 | 1328.64 | 1.01 | 54.59 |
| Congo Bra | 4.45 | 3167.05 | 1.01 | 58.3 |
| Congo DR | 67.51 | 484.21 | 1.00 | 49.62 |
| Gabon | 1.67 | 11571.08 | 0.99 | 63.07 |
| East Africa | ||||
| Burundi | 10.16 | 267.11 | 0.99 | 53.63 |
| Comoros | 0.73 | 814.96 | 0.94 | 60.64 |
| Ethiopia | 94.10 | 505.05 | 0.99 | 62.97 |
| Kenya | 44.35 | 1245.51 | 1.00 | 61.08 |
| Malawi | 16.36 | 226.46 | 0.98 | 54.72 |
| Mozambique | 25.83 | 605.03 | 0.95 | 49.84 |
| Rwanda | 11.78 | 638.67 | 0.99 | 63.49 |
| Tanzania | 49.25 | 694.77 | 0.99 | 60.85 |
| Uganda | 37.58 | 571.96 | 0.99 | 58.65 |
| Zambia | 14.54 | 1844.8 | 1.00 | 57.02 |
| Zimbabwe | 14.15 | 953.38 | 1.01 | 58.05 |
| Southern Africa | ||||
| Lesotho | 2.04 | 1125.59 | 0.98 | 48.84 |
| Namibia | 2.3 | 5693.13 | 1.02 | 63.88 |
Congo Bra, Congo Brazzaville; Congo DR, Demographic Republic; GDP, gross domestic product.