| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Kiribati | 48.1 | 2019 |
| 2 | Micronesia, Fed. Sts. | 44.5 | 2019 |
| 3 | Vanuatu | 43.6 | 2019 |
| 4 | Fiji | 43.1 | 2019 |
| 5 | Eswatini | 42.9 | 2019 |
| 6 | Solomon Islands | 42.4 | 2019 |
| 7 | Lesotho | 41.2 | 2019 |
| 8 | Mongolia | 39.2 | 2019 |
| 9 | Central African Republic | 38.3 | 2019 |
| 10 | Mozambique | 37.5 | 2019 |
| 11 | Belarus | 36.7 | 2019 |
| 12 | Ukraine | 36.5 | 2019 |
| 13 | Russian Federation | 34.9 | 2019 |
| 14 | Afghanistan | 34.7 | 2019 |
| 15 | Moldova | 33.9 | 2019 |
| 16 | Samoa | 33.8 | 2019 |
| 17 | Kazakhstan | 33.1 | 2019 |
| 18 | Egypt, Arab Rep. | 33 | 2019 |
| 19 | Zimbabwe | 32.8 | 2019 |
| 20 | Georgia | 32.6 | 2019 |
| 21 | Turkmenistan | 32.3 | 2019 |
| 22 | Bulgaria | 32.2 | 2019 |
| 23 | Somalia | 32.2 | 2019 |
| 24 | Philippines | 31.6 | 2019 |
| 25 | Uzbekistan | 31.6 | 2019 |
| 26 | Guyana | 31.2 | 2019 |
| 27 | Papua New Guinea | 31.2 | 2019 |
| 28 | Haiti | 30.9 | 2019 |
| 29 | Lao PDR | 30.8 | 2019 |
| 30 | Latvia | 30.6 | 2019 |
| 31 | Eritrea | 30.1 | 2019 |
| 32 | Myanmar | 30 | 2019 |
| 33 | Tonga | 30 | 2019 |
| 34 | Kyrgyz Republic | 29.9 | 2019 |
| 35 | Hungary | 29.8 | 2019 |
| 36 | Korea, Dem. People's Rep. | 29.8 | 2019 |
| 37 | Armenia | 29.7 | 2019 |
| 38 | Togo | 29.4 | 2019 |
| 39 | Guinea-Bissau | 29.3 | 2019 |
| 40 | Lithuania | 29.2 | 2019 |
| 41 | Malawi | 29.2 | 2019 |
| 42 | Romania | 29.1 | 2019 |
| 43 | Yemen, Rep. | 29.1 | 2019 |
| 44 | Viet Nam | 28.7 | 2019 |
| 45 | Cambodia | 27.8 | 2019 |
| 46 | Mauritius | 27.7 | 2019 |
| 47 | Serbia | 27.7 | 2019 |
| 48 | Namibia | 27.6 | 2019 |
| 49 | Pakistan | 27.5 | 2019 |
| 50 | Angola | 27.3 | 2019 |
| 51 | Indonesia | 27.2 | 2019 |
| 52 | Madagascar | 27.2 | 2019 |
| 53 | Burkina Faso | 27.1 | 2019 |
| 54 | Cameroon | 27.1 | 2019 |
| 55 | Montenegro | 27.1 | 2019 |
| 56 | India | 26.7 | 2019 |
| 57 | Seychelles | 26.7 | 2019 |
| 58 | Zambia | 26.7 | 2019 |
| 59 | Congo, Dem. Rep. | 26.6 | 2019 |
| 60 | Iraq | 26.6 | 2019 |
| 61 | Ghana | 26.3 | 2019 |
| 62 | Suriname | 26.1 | 2019 |
| 63 | Syrian Arab Republic | 26 | 2019 |
| 64 | Gabon | 25.7 | 2019 |
| 65 | South Sudan | 25.7 | 2019 |
| 66 | Chad | 25.6 | 2019 |
| 67 | Cote d'Ivoire | 25.6 | 2019 |
| 68 | Uganda | 25.6 | 2019 |
| 69 | Burundi | 25.5 | 2019 |
| 70 | Gambia, The | 25.2 | 2019 |
| 71 | Bosnia and Herzegovina | 25.1 | 2019 |
| 72 | Guinea | 24.7 | 2019 |
| 73 | St. Vincent and the Grenadines | 24.7 | 2019 |
| 74 | Azerbaijan | 24.6 | 2019 |
| 75 | South Africa | 24.6 | 2019 |
| 76 | Trinidad and Tobago | 24.4 | 2019 |
| 77 | Grenada | 24.3 | 2019 |
| 78 | Bahamas, The | 24 | 2019 |
| 79 | Benin | 24 | 2019 |
| 80 | Poland | 24 | 2019 |
| 81 | Sierra Leone | 23.7 | 2019 |
| 82 | Malaysia | 23.5 | 2019 |
| 83 | Morocco | 23.5 | 2019 |
| 84 | Oman | 23.4 | 2019 |
| 85 | Djibouti | 23.3 | 2019 |
| 86 | Cabo Verde | 23.2 | 2019 |
| 87 | Sudan | 23.1 | 2019 |
| 88 | Senegal | 23 | 2019 |
| 89 | North Macedonia | 22.9 | 2019 |
| 90 | Slovak Republic | 22.8 | 2019 |
| 91 | Congo, Rep. | 22.7 | 2019 |
| 92 | Libya | 22.7 | 2019 |
| 93 | Jamaica | 22.6 | 2019 |
| 94 | Mali | 22.6 | 2019 |
| 95 | Rwanda | 22.6 | 2019 |
| 96 | Estonia | 22.4 | 2019 |
| 97 | Equatorial Guinea | 22.1 | 2019 |
| 98 | Timor-Leste | 22.1 | 2019 |
| 99 | Turkiye | 22.1 | 2019 |
| 100 | West Bank and Gaza | 22.1 | 2019 |
| 101 | Nepal | 21.9 | 2019 |
| 102 | Dominican Republic | 21.8 | 2019 |
| 103 | Botswana | 21.7 | 2019 |
| 104 | Bangladesh | 21.6 | 2019 |
| 105 | Sao Tome and Principe | 21.6 | 2019 |
| 106 | Venezuela, RB | 21.6 | 2019 |
| 107 | Croatia | 21.5 | 2019 |
| 108 | Tajikistan | 20.9 | 2019 |
| 109 | Uruguay | 20.9 | 2019 |
| 110 | Comoros | 20.7 | 2019 |
| 111 | Liberia | 20.7 | 2019 |
| 112 | China | 20.4 | 2019 |
| 113 | Cuba | 20.1 | 2019 |
| 114 | Honduras | 20.1 | 2019 |
| 115 | Niger | 19.9 | 2019 |
| 116 | Kenya | 19.8 | 2019 |
| 117 | Sri Lanka | 19.7 | 2019 |
| 118 | Tanzania | 19.7 | 2019 |
| 119 | Barbados | 19.6 | 2019 |
| 120 | Antigua and Barbuda | 19.5 | 2019 |
| 121 | Paraguay | 19.5 | 2019 |
| 122 | St. Lucia | 19.5 | 2019 |
| 123 | Argentina | 19.1 | 2019 |
| 124 | Czechia | 18.8 | 2019 |
| 125 | Tunisia | 18.8 | 2019 |
| 126 | Thailand | 18.4 | 2019 |
| 127 | Nigeria | 18.1 | 2019 |
| 128 | Brazil | 18 | 2019 |
| 129 | Bhutan | 17.8 | 2019 |
| 130 | Iran, Islamic Rep. | 17.7 | 2019 |
| 131 | Mexico | 17.6 | 2019 |
| 132 | Ethiopia | 17.3 | 2019 |
| 133 | Albania | 16.9 | 2019 |
| 134 | Belize | 16.8 | 2019 |
| 135 | Brunei Darussalam | 16.7 | 2019 |
| 136 | Greece | 16.5 | 2019 |
| 137 | Mauritania | 16.5 | 2019 |
| 138 | Bolivia | 16.1 | 2019 |
| 139 | El Salvador | 15.9 | 2019 |
| 140 | Portugal | 15.8 | 2019 |
| 141 | United States | 15.8 | 2019 |
| 142 | Guatemala | 15.4 | 2019 |
| 143 | Maldives | 15.3 | 2019 |
| 144 | Algeria | 15.1 | 2019 |
| 145 | Germany | 14.9 | 2019 |
| 146 | Lebanon | 14.9 | 2019 |
| 147 | Saudi Arabia | 14.8 | 2019 |
| 148 | Bahrain | 14.7 | 2019 |
| 149 | Slovenia | 14.7 | 2019 |
| 150 | Jordan | 14.2 | 2019 |
| 151 | Puerto Rico | 13.9 | 2019 |
| 152 | Nicaragua | 13.4 | 2019 |
| 153 | Denmark | 13.1 | 2019 |
| 154 | France | 13.1 | 2019 |
| 155 | Austria | 12.9 | 2019 |
| 156 | Panama | 12.9 | 2019 |
| 157 | Spain | 12.9 | 2019 |
| 158 | Qatar | 12.8 | 2019 |
| 159 | United Kingdom | 12.7 | 2019 |
| 160 | Ecuador | 12.6 | 2019 |
| 161 | Finland | 12.4 | 2019 |
| 162 | Malta | 12.4 | 2019 |
| 163 | New Zealand | 12.2 | 2019 |
| 164 | Chile | 12.1 | 2019 |
| 165 | Belgium | 12 | 2019 |
| 166 | Kuwait | 11.9 | 2019 |
| 167 | Cyprus | 11.7 | 2019 |
| 168 | Ireland | 11.6 | 2019 |
| 169 | Canada | 11.4 | 2019 |
| 170 | Colombia | 11.4 | 2019 |
| 171 | Costa Rica | 11.4 | 2019 |
| 172 | Netherlands | 11.2 | 2019 |
| 173 | Italy | 11.1 | 2019 |
| 174 | Australia | 11 | 2019 |
| 175 | Japan | 10.9 | 2019 |
| 176 | Israel | 10.8 | 2019 |
| 177 | Peru | 10.8 | 2019 |
| 178 | Singapore | 10.8 | 2019 |
| 179 | Luxembourg | 10.6 | 2019 |
| 180 | Korea, Rep. | 10.1 | 2019 |
| 181 | Iceland | 9.9 | 2019 |
| 182 | United Arab Emirates | 9.8 | 2019 |
| 183 | Norway | 9.7 | 2019 |
| 184 | Switzerland | 9.6 | 2019 |
| 185 | Sweden | 9.5 | 2019 |