| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Eswatini | 4.16 | 2022 |
| 2 | Mozambique | 3.8 | 2022 |
| 3 | Lesotho | 3.48 | 2022 |
| 4 | Equatorial Guinea | 3.37 | 2022 |
| 5 | South Africa | 3.28 | 2022 |
| 6 | Congo, Rep. | 2.77 | 2022 |
| 7 | Namibia | 2.74 | 2022 |
| 8 | Botswana | 2.24 | 2022 |
| 9 | Zambia | 2.14 | 2022 |
| 10 | Central African Republic | 1.83 | 2022 |
| 11 | Suriname | 1.55 | 2022 |
| 12 | Uganda | 1.48 | 2022 |
| 13 | Zimbabwe | 1.19 | 2022 |
| 14 | Guyana | 1.15 | 2022 |
| 15 | St. Kitts and Nevis | 0.99 | 2022 |
| 16 | Moldova | 0.96 | 2022 |
| 17 | Malawi | 0.92 | 2022 |
| 18 | South Sudan | 0.9 | 2022 |
| 19 | Panama | 0.89 | 2022 |
| 20 | Gambia, The | 0.84 | 2022 |
| 21 | Jamaica | 0.77 | 2022 |
| 22 | Chile | 0.76 | 2022 |
| 23 | Dominican Republic | 0.72 | 2022 |
| 24 | Philippines | 0.71 | 2022 |
| 25 | Papua New Guinea | 0.69 | 2022 |
| 26 | Armenia | 0.63 | 2022 |
| 27 | Belize | 0.63 | 2022 |
| 28 | Haiti | 0.62 | 2022 |
| 29 | Barbados | 0.59 | 2022 |
| 30 | Cuba | 0.59 | 2022 |
| 31 | Fiji | 0.59 | 2022 |
| 32 | Uruguay | 0.59 | 2022 |
| 33 | Gabon | 0.57 | 2022 |
| 34 | Guinea-Bissau | 0.57 | 2022 |
| 35 | Tanzania | 0.56 | 2022 |
| 36 | Latvia | 0.55 | 2022 |
| 37 | Colombia | 0.52 | 2022 |
| 38 | Cabo Verde | 0.47 | 2022 |
| 39 | Ghana | 0.47 | 2022 |
| 40 | Mexico | 0.47 | 2022 |
| 41 | Angola | 0.45 | 2022 |
| 42 | Myanmar | 0.45 | 2022 |
| 43 | Peru | 0.45 | 2022 |
| 44 | Costa Rica | 0.44 | 2022 |
| 45 | Thailand | 0.44 | 2022 |
| 46 | Guinea | 0.43 | 2022 |
| 47 | Bolivia | 0.4 | 2022 |
| 48 | Georgia | 0.39 | 2022 |
| 49 | Kenya | 0.39 | 2022 |
| 50 | Sierra Leone | 0.39 | 2022 |
| 51 | El Salvador | 0.34 | 2022 |
| 52 | Lao PDR | 0.31 | 2022 |
| 53 | Mali | 0.31 | 2022 |
| 54 | Madagascar | 0.3 | 2022 |
| 55 | Cote d'Ivoire | 0.29 | 2022 |
| 56 | Greece | 0.28 | 2022 |
| 57 | Bahamas, The | 0.27 | 2022 |
| 58 | Cameroon | 0.27 | 2022 |
| 59 | Ecuador | 0.27 | 2022 |
| 60 | Malta | 0.27 | 2022 |
| 61 | France | 0.26 | 2022 |
| 62 | Rwanda | 0.26 | 2022 |
| 63 | Togo | 0.26 | 2022 |
| 64 | Grenada | 0.25 | 2022 |
| 65 | Kyrgyz Republic | 0.25 | 2022 |
| 66 | Liberia | 0.25 | 2022 |
| 67 | Belarus | 0.24 | 2022 |
| 68 | Cambodia | 0.24 | 2022 |
| 69 | Malaysia | 0.24 | 2022 |
| 70 | Estonia | 0.23 | 2022 |
| 71 | Argentina | 0.21 | 2022 |
| 72 | Mauritania | 0.21 | 2022 |
| 73 | Chad | 0.2 | 2022 |
| 74 | Tajikistan | 0.2 | 2022 |
| 75 | Indonesia | 0.18 | 2022 |
| 76 | Viet Nam | 0.18 | 2022 |
| 77 | Lithuania | 0.17 | 2022 |
| 78 | Nicaragua | 0.17 | 2022 |
| 79 | Luxembourg | 0.16 | 2022 |
| 80 | Guatemala | 0.15 | 2022 |
| 81 | Senegal | 0.15 | 2022 |
| 82 | Sudan | 0.15 | 2022 |
| 83 | Egypt, Arab Rep. | 0.14 | 2022 |
| 84 | Honduras | 0.14 | 2022 |
| 85 | Azerbaijan | 0.13 | 2022 |
| 86 | Bhutan | 0.13 | 2022 |
| 87 | Iceland | 0.13 | 2022 |
| 88 | Timor-Leste | 0.13 | 2022 |
| 89 | Belgium | 0.12 | 2022 |
| 90 | Bulgaria | 0.12 | 2022 |
| 91 | Italy | 0.12 | 2022 |
| 92 | Burundi | 0.1 | 2022 |
| 93 | Congo, Dem. Rep. | 0.1 | 2022 |
| 94 | Algeria | 0.09 | 2022 |
| 95 | Benin | 0.09 | 2022 |
| 96 | Montenegro | 0.09 | 2022 |
| 97 | Romania | 0.09 | 2022 |
| 98 | Saudi Arabia | 0.09 | 2022 |
| 99 | Serbia | 0.09 | 2022 |
| 100 | Afghanistan | 0.08 | 2022 |
| 101 | Ethiopia | 0.08 | 2022 |
| 102 | Niger | 0.08 | 2022 |
| 103 | Burkina Faso | 0.07 | 2022 |
| 104 | Albania | 0.06 | 2022 |
| 105 | Czechia | 0.06 | 2022 |
| 106 | Eritrea | 0.06 | 2022 |
| 107 | Iran, Islamic Rep. | 0.06 | 2022 |
| 108 | Oman | 0.06 | 2022 |
| 109 | Slovak Republic | 0.06 | 2022 |
| 110 | Yemen, Rep. | 0.06 | 2022 |
| 111 | Morocco | 0.05 | 2022 |
| 112 | Qatar | 0.05 | 2022 |
| 113 | Sao Tome and Principe | 0.04 | 2022 |
| 114 | Iraq | 0.03 | 2022 |
| 115 | Mongolia | 0.03 | 2022 |
| 116 | Nepal | 0.03 | 2022 |
| 117 | Maldives | 0.02 | 2022 |
| 118 | Sri Lanka | 0.02 | 2022 |
| 119 | Bangladesh | 0.01 | 2022 |
| 120 | Jordan | 0.01 | 2022 |
| 121 | Syrian Arab Republic | 0.01 | 2022 |