| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Samoa | 4.1 | 2023 |
| 2 | Bhutan | 4 | 2023 |
| 3 | Cabo Verde | 4 | 2023 |
| 4 | Rwanda | 3.9 | 2023 |
| 5 | St. Lucia | 3.8 | 2023 |
| 6 | Benin | 3.7 | 2023 |
| 7 | Cote d'Ivoire | 3.7 | 2023 |
| 8 | Dominica | 3.7 | 2023 |
| 9 | St. Vincent and the Grenadines | 3.7 | 2023 |
| 10 | Uzbekistan | 3.7 | 2023 |
| 11 | Ghana | 3.6 | 2023 |
| 12 | Kenya | 3.6 | 2023 |
| 13 | Senegal | 3.6 | 2023 |
| 14 | Tonga | 3.6 | 2023 |
| 15 | Grenada | 3.5 | 2023 |
| 16 | Kosovo | 3.5 | 2023 |
| 17 | Mauritania | 3.4 | 2023 |
| 18 | Togo | 3.4 | 2023 |
| 19 | Sri Lanka | 3.3 | 2023 |
| 20 | Uganda | 3.3 | 2023 |
| 21 | Burkina Faso | 3.2 | 2023 |
| 22 | Fiji | 3.2 | 2023 |
| 23 | Guyana | 3.2 | 2023 |
| 24 | Kiribati | 3.2 | 2023 |
| 25 | Maldives | 3.2 | 2023 |
| 26 | Niger | 3.2 | 2023 |
| 27 | Pakistan | 3.2 | 2023 |
| 28 | Sierra Leone | 3.2 | 2023 |
| 29 | Tuvalu | 3.2 | 2023 |
| 30 | Djibouti | 3.1 | 2023 |
| 31 | Ethiopia | 3.1 | 2023 |
| 32 | Gambia, The | 3.1 | 2023 |
| 33 | Tajikistan | 3.1 | 2023 |
| 34 | Tanzania | 3.1 | 2023 |
| 35 | Vanuatu | 3.1 | 2023 |
| 36 | Cameroon | 3 | 2023 |
| 37 | Guinea | 3 | 2023 |
| 38 | Kyrgyz Republic | 3 | 2023 |
| 39 | Malawi | 3 | 2023 |
| 40 | Sao Tome and Principe | 3 | 2023 |
| 41 | Lesotho | 2.9 | 2023 |
| 42 | Micronesia, Fed. Sts. | 2.9 | 2023 |
| 43 | Mozambique | 2.9 | 2023 |
| 44 | Zambia | 2.9 | 2023 |
| 45 | Zimbabwe | 2.9 | 2023 |
| 46 | Cambodia | 2.8 | 2023 |
| 47 | Congo, Rep. | 2.8 | 2023 |
| 48 | Honduras | 2.8 | 2023 |
| 49 | Lao PDR | 2.8 | 2023 |
| 50 | Marshall Islands | 2.8 | 2023 |
| 51 | Nepal | 2.8 | 2023 |
| 52 | Papua New Guinea | 2.8 | 2023 |
| 53 | Bangladesh | 2.7 | 2023 |
| 54 | Liberia | 2.7 | 2023 |
| 55 | Madagascar | 2.7 | 2023 |
| 56 | Nigeria | 2.7 | 2023 |
| 57 | Solomon Islands | 2.7 | 2023 |
| 58 | Congo, Dem. Rep. | 2.6 | 2023 |
| 59 | Timor-Leste | 2.6 | 2023 |
| 60 | Burundi | 2.4 | 2023 |
| 61 | Central African Republic | 2.4 | 2023 |
| 62 | Chad | 2.4 | 2023 |
| 63 | Nicaragua | 2.4 | 2023 |
| 64 | Mali | 2.3 | 2023 |
| 65 | Comoros | 2.1 | 2023 |
| 66 | Guinea-Bissau | 2.1 | 2023 |
| 67 | Haiti | 1.9 | 2023 |
| 68 | Myanmar | 1.9 | 2023 |
| 69 | Somalia | 1.9 | 2023 |
| 70 | Sudan | 1.8 | 2023 |
| 71 | Afghanistan | 1.6 | 2023 |
| 72 | Eritrea | 1.5 | 2023 |
| 73 | Yemen, Rep. | 1.5 | 2023 |
| 74 | South Sudan | 1.3 | 2023 |