| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Niger | 19.7 | 2022 |
| 2 | Sierra Leone | 14.9 | 2022 |
| 3 | Somalia | 14.8 | 2022 |
| 4 | South Sudan | 13.8 | 2022 |
| 5 | Central African Republic | 12.8 | 2022 |
| 6 | Cameroon | 12.6 | 2022 |
| 7 | Nigeria | 12.6 | 2022 |
| 8 | Mali | 12.4 | 2022 |
| 9 | Madagascar | 12.1 | 2022 |
| 10 | Chad | 11.8 | 2022 |
| 11 | Guinea | 11.7 | 2022 |
| 12 | Benin | 11.6 | 2022 |
| 13 | Burkina Faso | 10.9 | 2022 |
| 14 | Burundi | 10.7 | 2022 |
| 15 | Congo, Dem. Rep. | 10.5 | 2022 |
| 16 | Cote d'Ivoire | 9.5 | 2022 |
| 17 | Angola | 9.1 | 2022 |
| 18 | Liberia | 9 | 2022 |
| 19 | Eswatini | 8.9 | 2022 |
| 20 | Tanzania | 8.9 | 2022 |
| 21 | Equatorial Guinea | 8.5 | 2022 |
| 22 | Rwanda | 8.4 | 2022 |
| 23 | Uganda | 7.6 | 2022 |
| 24 | Mozambique | 7.1 | 2022 |
| 25 | Djibouti | 7 | 2022 |
| 26 | Guinea-Bissau | 7 | 2022 |
| 27 | Malawi | 6.8 | 2022 |
| 28 | Namibia | 6.3 | 2022 |
| 29 | Togo | 6.2 | 2022 |
| 30 | Zambia | 6.1 | 2022 |
| 31 | Kiribati | 6 | 2022 |
| 32 | Haiti | 5.7 | 2022 |
| 33 | Ghana | 5.4 | 2022 |
| 34 | Afghanistan | 5.3 | 2022 |
| 35 | Timor-Leste | 5.3 | 2022 |
| 36 | Gabon | 5 | 2022 |
| 37 | Gambia, The | 5 | 2022 |
| 38 | Yemen, Rep. | 4.9 | 2022 |
| 39 | Mauritania | 4.7 | 2022 |
| 40 | Papua New Guinea | 4.5 | 2022 |
| 41 | Sudan | 4.5 | 2022 |
| 42 | Lesotho | 4.4 | 2022 |
| 43 | Zimbabwe | 4.2 | 2022 |
| 44 | Pakistan | 4.1 | 2022 |
| 45 | Senegal | 4.1 | 2022 |
| 46 | Botswana | 3.9 | 2022 |
| 47 | Ethiopia | 3.9 | 2022 |
| 48 | Comoros | 3.5 | 2022 |
| 49 | Eritrea | 3.5 | 2022 |
| 50 | Congo, Rep. | 3.3 | 2022 |
| 51 | Marshall Islands | 3.2 | 2022 |
| 52 | Nauru | 3 | 2022 |
| 53 | Kenya | 2.8 | 2022 |
| 54 | Micronesia, Fed. Sts. | 2.8 | 2022 |
| 55 | Indonesia | 2.7 | 2022 |
| 56 | Cambodia | 2.6 | 2022 |
| 57 | Palau | 2.6 | 2022 |
| 58 | Bangladesh | 2.5 | 2022 |
| 59 | Bhutan | 2.5 | 2022 |
| 60 | Lao PDR | 2.5 | 2022 |
| 61 | South Africa | 2.5 | 2022 |
| 62 | Syrian Arab Republic | 2.5 | 2022 |
| 63 | Iraq | 2.4 | 2022 |
| 64 | Nepal | 2.4 | 2022 |
| 65 | Tuvalu | 2.4 | 2022 |
| 66 | Fiji | 2.2 | 2022 |
| 67 | Myanmar | 2.1 | 2022 |
| 68 | Solomon Islands | 2.1 | 2022 |
| 69 | Vanuatu | 2.1 | 2022 |
| 70 | Bolivia | 2 | 2022 |
| 71 | Korea, Dem. People's Rep. | 2 | 2022 |
| 72 | Philippines | 2 | 2022 |
| 73 | Egypt, Arab Rep. | 1.8 | 2022 |
| 74 | Honduras | 1.8 | 2022 |
| 75 | Lebanon | 1.8 | 2022 |
| 76 | Suriname | 1.8 | 2022 |
| 77 | Jamaica | 1.7 | 2022 |
| 78 | Turkmenistan | 1.7 | 2022 |
| 79 | Thailand | 1.6 | 2022 |
| 80 | West Bank and Gaza | 1.6 | 2022 |
| 81 | Azerbaijan | 1.5 | 2022 |
| 82 | Dominican Republic | 1.5 | 2022 |
| 83 | Grenada | 1.5 | 2022 |
| 84 | Guatemala | 1.5 | 2022 |
| 85 | India | 1.5 | 2022 |
| 86 | Tunisia | 1.5 | 2022 |
| 87 | Guyana | 1.4 | 2022 |
| 88 | Iran, Islamic Rep. | 1.4 | 2022 |
| 89 | Morocco | 1.4 | 2022 |
| 90 | Panama | 1.4 | 2022 |
| 91 | Sao Tome and Principe | 1.4 | 2022 |
| 92 | St. Lucia | 1.4 | 2022 |
| 93 | St. Vincent and the Grenadines | 1.4 | 2022 |
| 94 | Uzbekistan | 1.4 | 2022 |
| 95 | Venezuela, RB | 1.4 | 2022 |
| 96 | Algeria | 1.3 | 2022 |
| 97 | Jordan | 1.3 | 2022 |
| 98 | Mongolia | 1.3 | 2022 |
| 99 | Tonga | 1.3 | 2022 |
| 100 | British Virgin Islands | 1.2 | 2022 |
| 101 | Ecuador | 1.2 | 2022 |
| 102 | El Salvador | 1.2 | 2022 |
| 103 | Kazakhstan | 1.2 | 2022 |
| 104 | Kyrgyz Republic | 1.2 | 2022 |
| 105 | Libya | 1.2 | 2022 |
| 106 | Nicaragua | 1.2 | 2022 |
| 107 | Oman | 1.2 | 2022 |
| 108 | Peru | 1.2 | 2022 |
| 109 | Samoa | 1.2 | 2022 |
| 110 | Ukraine | 1.2 | 2022 |
| 111 | Colombia | 1.1 | 2022 |
| 112 | Mexico | 1.1 | 2022 |
| 113 | Viet Nam | 1.1 | 2022 |
| 114 | Armenia | 1 | 2022 |
| 115 | Bahamas, The | 1 | 2022 |
| 116 | Belize | 1 | 2022 |
| 117 | Brazil | 1 | 2022 |
| 118 | Cuba | 1 | 2022 |
| 119 | Kosovo | 1 | 2022 |
| 120 | Moldova | 1 | 2022 |
| 121 | Seychelles | 1 | 2022 |
| 122 | Tajikistan | 1 | 2022 |
| 123 | Antigua and Barbuda | 0.9 | 2022 |
| 124 | Brunei Darussalam | 0.9 | 2022 |
| 125 | Kuwait | 0.9 | 2022 |
| 126 | Trinidad and Tobago | 0.9 | 2022 |
| 127 | Turkiye | 0.9 | 2022 |
| 128 | Albania | 0.8 | 2022 |
| 129 | Bahrain | 0.8 | 2022 |
| 130 | Cabo Verde | 0.8 | 2022 |
| 131 | China | 0.8 | 2022 |
| 132 | Dominica | 0.8 | 2022 |
| 133 | Paraguay | 0.8 | 2022 |
| 134 | Saudi Arabia | 0.8 | 2022 |
| 135 | Argentina | 0.7 | 2022 |
| 136 | Bulgaria | 0.7 | 2022 |
| 137 | Costa Rica | 0.7 | 2022 |
| 138 | Croatia | 0.7 | 2022 |
| 139 | Georgia | 0.7 | 2022 |
| 140 | Malaysia | 0.7 | 2022 |
| 141 | Mauritius | 0.7 | 2022 |
| 142 | Qatar | 0.7 | 2022 |
| 143 | Romania | 0.7 | 2022 |
| 144 | Russian Federation | 0.7 | 2022 |
| 145 | Sri Lanka | 0.7 | 2022 |
| 146 | United Arab Emirates | 0.7 | 2022 |
| 147 | Uruguay | 0.7 | 2022 |
| 148 | Chile | 0.6 | 2022 |
| 149 | North Macedonia | 0.6 | 2022 |
| 150 | Slovak Republic | 0.6 | 2022 |
| 151 | Turks and Caicos Islands | 0.6 | 2022 |
| 152 | Barbados | 0.5 | 2022 |
| 153 | Belarus | 0.5 | 2022 |
| 154 | Bosnia and Herzegovina | 0.5 | 2022 |
| 155 | Cyprus | 0.5 | 2022 |
| 156 | Latvia | 0.5 | 2022 |
| 157 | Lithuania | 0.5 | 2022 |
| 158 | Maldives | 0.5 | 2022 |
| 159 | Montenegro | 0.5 | 2022 |
| 160 | Serbia | 0.5 | 2022 |
| 161 | Australia | 0.4 | 2022 |
| 162 | Canada | 0.4 | 2022 |
| 163 | Czechia | 0.4 | 2022 |
| 164 | Estonia | 0.4 | 2022 |
| 165 | France | 0.4 | 2022 |
| 166 | Germany | 0.4 | 2022 |
| 167 | Hungary | 0.4 | 2022 |
| 168 | Israel | 0.4 | 2022 |
| 169 | New Zealand | 0.4 | 2022 |
| 170 | Poland | 0.4 | 2022 |
| 171 | Portugal | 0.4 | 2022 |
| 172 | Andorra | 0.3 | 2022 |
| 173 | Austria | 0.3 | 2022 |
| 174 | Belgium | 0.3 | 2022 |
| 175 | Denmark | 0.3 | 2022 |
| 176 | Finland | 0.3 | 2022 |
| 177 | Greece | 0.3 | 2022 |
| 178 | Ireland | 0.3 | 2022 |
| 179 | Italy | 0.3 | 2022 |
| 180 | Japan | 0.3 | 2022 |
| 181 | Korea, Rep. | 0.3 | 2022 |
| 182 | Malta | 0.3 | 2022 |
| 183 | Monaco | 0.3 | 2022 |
| 184 | Netherlands | 0.3 | 2022 |
| 185 | Norway | 0.3 | 2022 |
| 186 | Singapore | 0.3 | 2022 |
| 187 | Slovenia | 0.3 | 2022 |
| 188 | Spain | 0.3 | 2022 |
| 189 | Sweden | 0.3 | 2022 |
| 190 | Switzerland | 0.3 | 2022 |
| 191 | United Kingdom | 0.3 | 2022 |
| 192 | Iceland | 0.2 | 2022 |
| 193 | San Marino | 0.2 | 2022 |
| 194 | Luxembourg | 0.1 | 2022 |