| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Niger | 11.9 | 2022 |
| 2 | Central African Republic | 10.2 | 2022 |
| 3 | Chad | 10 | 2022 |
| 4 | Sierra Leone | 9.6 | 2022 |
| 5 | Somalia | 8.8 | 2022 |
| 6 | Congo, Dem. Rep. | 8.7 | 2022 |
| 7 | South Sudan | 8.4 | 2022 |
| 8 | Mali | 8.1 | 2022 |
| 9 | Burundi | 8 | 2022 |
| 10 | Cameroon | 7.7 | 2022 |
| 11 | Liberia | 7.5 | 2022 |
| 12 | Cote d'Ivoire | 7.1 | 2022 |
| 13 | Zimbabwe | 7 | 2022 |
| 14 | Rwanda | 6.7 | 2022 |
| 15 | Madagascar | 6.5 | 2022 |
| 16 | Nigeria | 6.5 | 2022 |
| 17 | Benin | 6.4 | 2022 |
| 18 | Gabon | 6.4 | 2022 |
| 19 | Namibia | 6.4 | 2022 |
| 20 | Equatorial Guinea | 6.3 | 2022 |
| 21 | Angola | 6.1 | 2022 |
| 22 | Guinea-Bissau | 5.9 | 2022 |
| 23 | Guinea | 5.8 | 2022 |
| 24 | Mozambique | 5.8 | 2022 |
| 25 | Burkina Faso | 5.3 | 2022 |
| 26 | Djibouti | 5 | 2022 |
| 27 | Uganda | 4.9 | 2022 |
| 28 | Malawi | 4.8 | 2022 |
| 29 | Togo | 4.8 | 2022 |
| 30 | Bhutan | 4.5 | 2022 |
| 31 | Gambia, The | 4.4 | 2022 |
| 32 | Afghanistan | 4.3 | 2022 |
| 33 | Ghana | 4.3 | 2022 |
| 34 | Kiribati | 4.3 | 2022 |
| 35 | Haiti | 4 | 2022 |
| 36 | Lao PDR | 4 | 2022 |
| 37 | Yemen, Rep. | 4 | 2022 |
| 38 | Timor-Leste | 3.8 | 2022 |
| 39 | Tanzania | 3.7 | 2022 |
| 40 | Lesotho | 3.6 | 2022 |
| 41 | Zambia | 3.6 | 2022 |
| 42 | Eritrea | 3.5 | 2022 |
| 43 | Pakistan | 3.4 | 2022 |
| 44 | Papua New Guinea | 3.4 | 2022 |
| 45 | Senegal | 3.4 | 2022 |
| 46 | South Africa | 3.2 | 2022 |
| 47 | Congo, Rep. | 3 | 2022 |
| 48 | Honduras | 3 | 2022 |
| 49 | Botswana | 2.9 | 2022 |
| 50 | St. Vincent and the Grenadines | 2.9 | 2022 |
| 51 | Ethiopia | 2.8 | 2022 |
| 52 | Fiji | 2.8 | 2022 |
| 53 | Mauritania | 2.7 | 2022 |
| 54 | Sudan | 2.7 | 2022 |
| 55 | Iraq | 2.6 | 2022 |
| 56 | Marshall Islands | 2.6 | 2022 |
| 57 | Nauru | 2.5 | 2022 |
| 58 | Thailand | 2.5 | 2022 |
| 59 | El Salvador | 2.4 | 2022 |
| 60 | Micronesia, Fed. Sts. | 2.3 | 2022 |
| 61 | Syrian Arab Republic | 2.3 | 2022 |
| 62 | Guyana | 2.2 | 2022 |
| 63 | India | 2.2 | 2022 |
| 64 | Palau | 2.2 | 2022 |
| 65 | Bangladesh | 2.1 | 2022 |
| 66 | Philippines | 2.1 | 2022 |
| 67 | Suriname | 2.1 | 2022 |
| 68 | Tuvalu | 2.1 | 2022 |
| 69 | Grenada | 2 | 2022 |
| 70 | Guatemala | 2 | 2022 |
| 71 | Indonesia | 2 | 2022 |
| 72 | Kenya | 2 | 2022 |
| 73 | Nicaragua | 2 | 2022 |
| 74 | Venezuela, RB | 2 | 2022 |
| 75 | Jamaica | 1.9 | 2022 |
| 76 | Lebanon | 1.9 | 2022 |
| 77 | Myanmar | 1.9 | 2022 |
| 78 | Nepal | 1.9 | 2022 |
| 79 | Solomon Islands | 1.9 | 2022 |
| 80 | Vanuatu | 1.9 | 2022 |
| 81 | Bolivia | 1.8 | 2022 |
| 82 | Egypt, Arab Rep. | 1.8 | 2022 |
| 83 | Eswatini | 1.8 | 2022 |
| 84 | Korea, Dem. People's Rep. | 1.8 | 2022 |
| 85 | Paraguay | 1.8 | 2022 |
| 86 | Turkmenistan | 1.8 | 2022 |
| 87 | Mongolia | 1.7 | 2022 |
| 88 | Panama | 1.7 | 2022 |
| 89 | Sao Tome and Principe | 1.7 | 2022 |
| 90 | West Bank and Gaza | 1.7 | 2022 |
| 91 | Cambodia | 1.6 | 2022 |
| 92 | Comoros | 1.6 | 2022 |
| 93 | Ecuador | 1.6 | 2022 |
| 94 | Iran, Islamic Rep. | 1.6 | 2022 |
| 95 | Kyrgyz Republic | 1.6 | 2022 |
| 96 | St. Kitts and Nevis | 1.6 | 2022 |
| 97 | Tunisia | 1.6 | 2022 |
| 98 | Uzbekistan | 1.6 | 2022 |
| 99 | Viet Nam | 1.6 | 2022 |
| 100 | Azerbaijan | 1.5 | 2022 |
| 101 | British Virgin Islands | 1.5 | 2022 |
| 102 | Colombia | 1.5 | 2022 |
| 103 | Dominican Republic | 1.5 | 2022 |
| 104 | Mexico | 1.5 | 2022 |
| 105 | Ukraine | 1.5 | 2022 |
| 106 | Algeria | 1.4 | 2022 |
| 107 | Brazil | 1.4 | 2022 |
| 108 | Dominica | 1.4 | 2022 |
| 109 | Kazakhstan | 1.3 | 2022 |
| 110 | Libya | 1.3 | 2022 |
| 111 | Moldova | 1.3 | 2022 |
| 112 | Seychelles | 1.3 | 2022 |
| 113 | Trinidad and Tobago | 1.3 | 2022 |
| 114 | Antigua and Barbuda | 1.2 | 2022 |
| 115 | Bahamas, The | 1.2 | 2022 |
| 116 | Belize | 1.2 | 2022 |
| 117 | Peru | 1.2 | 2022 |
| 118 | Barbados | 1.1 | 2022 |
| 119 | Cuba | 1.1 | 2022 |
| 120 | Kosovo | 1.1 | 2022 |
| 121 | Oman | 1.1 | 2022 |
| 122 | St. Lucia | 1.1 | 2022 |
| 123 | Turkiye | 1.1 | 2022 |
| 124 | Albania | 1 | 2022 |
| 125 | Argentina | 1 | 2022 |
| 126 | Armenia | 1 | 2022 |
| 127 | Cabo Verde | 1 | 2022 |
| 128 | Costa Rica | 1 | 2022 |
| 129 | Jordan | 1 | 2022 |
| 130 | Russian Federation | 1 | 2022 |
| 131 | Samoa | 1 | 2022 |
| 132 | Tajikistan | 1 | 2022 |
| 133 | Bahrain | 0.9 | 2022 |
| 134 | Brunei Darussalam | 0.9 | 2022 |
| 135 | Bulgaria | 0.9 | 2022 |
| 136 | China | 0.9 | 2022 |
| 137 | Georgia | 0.9 | 2022 |
| 138 | Kuwait | 0.9 | 2022 |
| 139 | Malaysia | 0.9 | 2022 |
| 140 | Mauritius | 0.9 | 2022 |
| 141 | Morocco | 0.9 | 2022 |
| 142 | Romania | 0.9 | 2022 |
| 143 | Sri Lanka | 0.9 | 2022 |
| 144 | Turks and Caicos Islands | 0.9 | 2022 |
| 145 | Uruguay | 0.9 | 2022 |
| 146 | Maldives | 0.8 | 2022 |
| 147 | United States | 0.8 | 2022 |
| 148 | Bosnia and Herzegovina | 0.7 | 2022 |
| 149 | Chile | 0.7 | 2022 |
| 150 | North Macedonia | 0.7 | 2022 |
| 151 | Saudi Arabia | 0.7 | 2022 |
| 152 | Tonga | 0.7 | 2022 |
| 153 | Croatia | 0.6 | 2022 |
| 154 | Cyprus | 0.6 | 2022 |
| 155 | Lithuania | 0.6 | 2022 |
| 156 | Montenegro | 0.6 | 2022 |
| 157 | New Zealand | 0.6 | 2022 |
| 158 | Poland | 0.6 | 2022 |
| 159 | Qatar | 0.6 | 2022 |
| 160 | Serbia | 0.6 | 2022 |
| 161 | Slovak Republic | 0.6 | 2022 |
| 162 | United Arab Emirates | 0.6 | 2022 |
| 163 | Belarus | 0.5 | 2022 |
| 164 | Canada | 0.5 | 2022 |
| 165 | Estonia | 0.5 | 2022 |
| 166 | Hungary | 0.5 | 2022 |
| 167 | Latvia | 0.5 | 2022 |
| 168 | Malta | 0.5 | 2022 |
| 169 | Portugal | 0.5 | 2022 |
| 170 | Singapore | 0.5 | 2022 |
| 171 | Andorra | 0.4 | 2022 |
| 172 | Australia | 0.4 | 2022 |
| 173 | Austria | 0.4 | 2022 |
| 174 | Belgium | 0.4 | 2022 |
| 175 | Czechia | 0.4 | 2022 |
| 176 | Finland | 0.4 | 2022 |
| 177 | France | 0.4 | 2022 |
| 178 | Germany | 0.4 | 2022 |
| 179 | Greece | 0.4 | 2022 |
| 180 | Israel | 0.4 | 2022 |
| 181 | Italy | 0.4 | 2022 |
| 182 | Japan | 0.4 | 2022 |
| 183 | Korea, Rep. | 0.4 | 2022 |
| 184 | Monaco | 0.4 | 2022 |
| 185 | Netherlands | 0.4 | 2022 |
| 186 | Norway | 0.4 | 2022 |
| 187 | Slovenia | 0.4 | 2022 |
| 188 | Spain | 0.4 | 2022 |
| 189 | Sweden | 0.4 | 2022 |
| 190 | Switzerland | 0.4 | 2022 |
| 191 | United Kingdom | 0.4 | 2022 |
| 192 | Denmark | 0.3 | 2022 |
| 193 | Iceland | 0.3 | 2022 |
| 194 | Ireland | 0.3 | 2022 |
| 195 | Luxembourg | 0.2 | 2022 |
| 196 | San Marino | 0.2 | 2022 |