| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Lesotho | 28.77 | 2019 |
| 2 | Korea, Rep. | 28.44 | 2019 |
| 3 | Eswatini | 28.13 | 2019 |
| 4 | Guyana | 27.64 | 2019 |
| 5 | Lithuania | 26.33 | 2019 |
| 6 | Suriname | 26.32 | 2019 |
| 7 | Russian Federation | 24.47 | 2019 |
| 8 | Uruguay | 23.4 | 2019 |
| 9 | Ukraine | 23.29 | 2019 |
| 10 | Micronesia, Fed. Sts. | 20.52 | 2019 |
| 11 | Solomon Islands | 20.43 | 2019 |
| 12 | South Africa | 20.14 | 2019 |
| 13 | Kiribati | 19.8 | 2019 |
| 14 | Slovenia | 19.34 | 2019 |
| 15 | Kazakhstan | 18.8 | 2019 |
| 16 | Belgium | 18.11 | 2019 |
| 17 | Belarus | 17.52 | 2019 |
| 18 | Mongolia | 17.33 | 2019 |
| 19 | Latvia | 17.16 | 2019 |
| 20 | Hungary | 16.65 | 2019 |
| 21 | Japan | 16.47 | 2019 |
| 22 | Vanuatu | 16.15 | 2019 |
| 23 | Sri Lanka | 15.94 | 2019 |
| 24 | Zimbabwe | 15.84 | 2019 |
| 25 | Serbia | 15.75 | 2019 |
| 26 | Estonia | 15.61 | 2019 |
| 27 | United States | 15.11 | 2019 |
| 28 | France | 15.05 | 2019 |
| 29 | Croatia | 14.91 | 2019 |
| 30 | Sweden | 14.6 | 2019 |
| 31 | Austria | 14.58 | 2019 |
| 32 | Cabo Verde | 14.56 | 2019 |
| 33 | Finland | 14.38 | 2019 |
| 34 | Switzerland | 14.23 | 2019 |
| 35 | Montenegro | 14.13 | 2019 |
| 36 | Australia | 13.98 | 2019 |
| 37 | India | 13.98 | 2019 |
| 38 | Cuba | 13.79 | 2019 |
| 39 | Trinidad and Tobago | 13.76 | 2019 |
| 40 | Poland | 13.7 | 2019 |
| 41 | Thailand | 13.55 | 2019 |
| 42 | Eritrea | 13 | 2019 |
| 43 | Samoa | 12.9 | 2019 |
| 44 | Canada | 12.69 | 2019 |
| 45 | Moldova | 12.68 | 2019 |
| 46 | Portugal | 12.66 | 2019 |
| 47 | Norway | 12.57 | 2019 |
| 48 | Germany | 12.49 | 2019 |
| 49 | Czechia | 12.23 | 2019 |
| 50 | Iceland | 11.98 | 2019 |
| 51 | New Zealand | 11.81 | 2019 |
| 52 | Mozambique | 11.59 | 2019 |
| 53 | Denmark | 11.42 | 2019 |
| 54 | Luxembourg | 11.16 | 2019 |
| 55 | Netherlands | 11.05 | 2019 |
| 56 | Bosnia and Herzegovina | 10.91 | 2019 |
| 57 | Nepal | 10.56 | 2019 |
| 58 | Uzbekistan | 10.14 | 2019 |
| 59 | Korea, Dem. People's Rep. | 10.05 | 2019 |
| 60 | Chile | 9.77 | 2019 |
| 61 | Togo | 9.77 | 2019 |
| 62 | Mauritius | 9.76 | 2019 |
| 63 | Central African Republic | 9.45 | 2019 |
| 64 | Fiji | 9.45 | 2019 |
| 65 | United Kingdom | 9.39 | 2019 |
| 66 | Argentina | 9.28 | 2019 |
| 67 | Romania | 9.17 | 2019 |
| 68 | Bulgaria | 9.02 | 2019 |
| 69 | Slovak Republic | 9.02 | 2019 |
| 70 | Botswana | 8.99 | 2019 |
| 71 | Gabon | 8.86 | 2019 |
| 72 | China | 8.75 | 2019 |
| 73 | Haiti | 8.6 | 2019 |
| 74 | Kyrgyz Republic | 8.6 | 2019 |
| 75 | Ecuador | 8.52 | 2019 |
| 76 | Burkina Faso | 8.45 | 2019 |
| 77 | Singapore | 8.42 | 2019 |
| 78 | Congo, Dem. Rep. | 8.33 | 2019 |
| 79 | Namibia | 8.3 | 2019 |
| 80 | Rwanda | 8.29 | 2019 |
| 81 | Cameroon | 8.22 | 2019 |
| 82 | Spain | 8.1 | 2019 |
| 83 | Ireland | 8.07 | 2019 |
| 84 | Djibouti | 8.02 | 2019 |
| 85 | Seychelles | 7.96 | 2019 |
| 86 | Paraguay | 7.93 | 2019 |
| 87 | Somalia | 7.92 | 2019 |
| 88 | El Salvador | 7.8 | 2019 |
| 89 | Cote d'Ivoire | 7.75 | 2019 |
| 90 | Equatorial Guinea | 7.71 | 2019 |
| 91 | Viet Nam | 7.53 | 2019 |
| 92 | Angola | 7.52 | 2019 |
| 93 | Guinea-Bissau | 7.38 | 2019 |
| 94 | Georgia | 7.33 | 2019 |
| 95 | Malawi | 7.27 | 2019 |
| 96 | South Sudan | 7.25 | 2019 |
| 97 | Benin | 7.23 | 2019 |
| 98 | St. Lucia | 7.23 | 2019 |
| 99 | Venezuela, RB | 7.17 | 2019 |
| 100 | Costa Rica | 7.06 | 2019 |
| 101 | Congo, Rep. | 7.05 | 2019 |
| 102 | Senegal | 6.98 | 2019 |
| 103 | Qatar | 6.96 | 2019 |
| 104 | Turkmenistan | 6.9 | 2019 |
| 105 | Burundi | 6.88 | 2019 |
| 106 | Italy | 6.77 | 2019 |
| 107 | Brazil | 6.71 | 2019 |
| 108 | Kenya | 6.45 | 2019 |
| 109 | Comoros | 6.18 | 2019 |
| 110 | Mexico | 6.15 | 2019 |
| 111 | Sierra Leone | 6.14 | 2019 |
| 112 | Pakistan | 6.09 | 2019 |
| 113 | Madagascar | 5.96 | 2019 |
| 114 | Libya | 5.95 | 2019 |
| 115 | Malta | 5.95 | 2019 |
| 116 | Guatemala | 5.88 | 2019 |
| 117 | Liberia | 5.87 | 2019 |
| 118 | Dominican Republic | 5.83 | 2019 |
| 119 | Zambia | 5.76 | 2019 |
| 120 | Puerto Rico | 5.72 | 2019 |
| 121 | Ethiopia | 5.67 | 2019 |
| 122 | Bahrain | 5.37 | 2019 |
| 123 | Bolivia | 5.35 | 2019 |
| 124 | Malaysia | 5.35 | 2019 |
| 125 | Ghana | 5.29 | 2019 |
| 126 | Chad | 5.26 | 2019 |
| 127 | Uganda | 5.14 | 2019 |
| 128 | Colombia | 5.11 | 2019 |
| 129 | Greece | 5.08 | 2019 |
| 130 | Israel | 5.03 | 2019 |
| 131 | Belize | 5.02 | 2019 |
| 132 | Gambia, The | 5.02 | 2019 |
| 133 | Guinea | 5.02 | 2019 |
| 134 | North Macedonia | 5.02 | 2019 |
| 135 | Bhutan | 4.84 | 2019 |
| 136 | Barbados | 4.8 | 2019 |
| 137 | Nicaragua | 4.65 | 2019 |
| 138 | Tonga | 4.65 | 2019 |
| 139 | Lao PDR | 4.55 | 2019 |
| 140 | Niger | 4.54 | 2019 |
| 141 | Cyprus | 4.5 | 2019 |
| 142 | Tanzania | 4.48 | 2019 |
| 143 | Cambodia | 4.46 | 2019 |
| 144 | Nigeria | 4.41 | 2019 |
| 145 | Yemen, Rep. | 4.33 | 2019 |
| 146 | Iran, Islamic Rep. | 4.27 | 2019 |
| 147 | Mali | 4.03 | 2019 |
| 148 | Timor-Leste | 3.81 | 2019 |
| 149 | Albania | 3.78 | 2019 |
| 150 | Bahamas, The | 3.61 | 2019 |
| 151 | Turkiye | 3.54 | 2019 |
| 152 | Afghanistan | 3.53 | 2019 |
| 153 | Sudan | 3.39 | 2019 |
| 154 | Iraq | 3.25 | 2019 |
| 155 | Morocco | 3.22 | 2019 |
| 156 | Bangladesh | 3.08 | 2019 |
| 157 | Myanmar | 3.06 | 2019 |
| 158 | Honduras | 3.05 | 2019 |
| 159 | Philippines | 3.04 | 2019 |
| 160 | Mauritania | 2.75 | 2019 |
| 161 | Armenia | 2.7 | 2019 |
| 162 | Tajikistan | 2.61 | 2019 |
| 163 | Tunisia | 2.58 | 2019 |
| 164 | Panama | 2.55 | 2019 |
| 165 | Maldives | 2.51 | 2019 |
| 166 | Brunei Darussalam | 2.49 | 2019 |
| 167 | United Arab Emirates | 2.46 | 2019 |
| 168 | Peru | 2.19 | 2019 |
| 169 | Papua New Guinea | 2.07 | 2019 |
| 170 | Algeria | 2.05 | 2019 |
| 171 | Oman | 2 | 2019 |
| 172 | Kuwait | 1.9 | 2019 |
| 173 | Azerbaijan | 1.83 | 2019 |
| 174 | Jamaica | 1.69 | 2019 |
| 175 | Indonesia | 1.6 | 2019 |
| 176 | Saudi Arabia | 1.09 | 2019 |
| 177 | Grenada | 1.01 | 2019 |
| 178 | Egypt, Arab Rep. | 0.91 | 2019 |
| 179 | Sao Tome and Principe | 0.87 | 2019 |
| 180 | Jordan | 0.77 | 2019 |
| 181 | Lebanon | 0.7 | 2019 |
| 182 | West Bank and Gaza | 0.66 | 2019 |
| 183 | Syrian Arab Republic | 0.62 | 2019 |
| 184 | St. Vincent and the Grenadines | 0.32 | 2019 |
| 185 | Antigua and Barbuda | 0 | 2019 |