| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Eswatini | 48 | 2019 |
| 2 | Lithuania | 45.99 | 2019 |
| 3 | Guyana | 44.7 | 2019 |
| 4 | Russian Federation | 42.66 | 2019 |
| 5 | Ukraine | 41.82 | 2019 |
| 6 | Lesotho | 41.54 | 2019 |
| 7 | Korea, Rep. | 40.21 | 2019 |
| 8 | Suriname | 40.09 | 2019 |
| 9 | Uruguay | 38.62 | 2019 |
| 10 | Kiribati | 34.8 | 2019 |
| 11 | South Africa | 32.65 | 2019 |
| 12 | Kazakhstan | 32.21 | 2019 |
| 13 | Micronesia, Fed. Sts. | 31.53 | 2019 |
| 14 | Belarus | 30.87 | 2019 |
| 15 | Slovenia | 30.32 | 2019 |
| 16 | Mongolia | 29.84 | 2019 |
| 17 | Solomon Islands | 29.82 | 2019 |
| 18 | Latvia | 29.17 | 2019 |
| 19 | Belgium | 26.09 | 2019 |
| 20 | Sri Lanka | 26.06 | 2019 |
| 21 | Hungary | 25.81 | 2019 |
| 22 | Estonia | 25.74 | 2019 |
| 23 | Vanuatu | 25.1 | 2019 |
| 24 | Poland | 24.46 | 2019 |
| 25 | Cabo Verde | 24.43 | 2019 |
| 26 | Croatia | 24.04 | 2019 |
| 27 | Japan | 23.54 | 2019 |
| 28 | Serbia | 23.54 | 2019 |
| 29 | United States | 23.46 | 2019 |
| 30 | Thailand | 23.14 | 2019 |
| 31 | Trinidad and Tobago | 23.14 | 2019 |
| 32 | Cuba | 22.85 | 2019 |
| 33 | Moldova | 22.81 | 2019 |
| 34 | Austria | 22.77 | 2019 |
| 35 | Montenegro | 22.47 | 2019 |
| 36 | France | 22.02 | 2019 |
| 37 | Finland | 21.88 | 2019 |
| 38 | Zimbabwe | 21.7 | 2019 |
| 39 | Australia | 21 | 2019 |
| 40 | Czechia | 19.8 | 2019 |
| 41 | Portugal | 19.68 | 2019 |
| 42 | Sweden | 19.34 | 2019 |
| 43 | Eritrea | 19.29 | 2019 |
| 44 | Switzerland | 19.23 | 2019 |
| 45 | Canada | 19.08 | 2019 |
| 46 | Germany | 18.46 | 2019 |
| 47 | Samoa | 18.09 | 2019 |
| 48 | Norway | 17.61 | 2019 |
| 49 | New Zealand | 17.57 | 2019 |
| 50 | Iceland | 17.53 | 2019 |
| 51 | Bosnia and Herzegovina | 17.46 | 2019 |
| 52 | Mozambique | 17.18 | 2019 |
| 53 | Mauritius | 16.8 | 2019 |
| 54 | Denmark | 16.47 | 2019 |
| 55 | India | 16.47 | 2019 |
| 56 | Romania | 16.25 | 2019 |
| 57 | Chile | 15.76 | 2019 |
| 58 | Togo | 15.44 | 2019 |
| 59 | Slovak Republic | 15.34 | 2019 |
| 60 | Luxembourg | 15.31 | 2019 |
| 61 | Central African Republic | 15.3 | 2019 |
| 62 | Argentina | 15.18 | 2019 |
| 63 | Gabon | 14.95 | 2019 |
| 64 | Netherlands | 14.66 | 2019 |
| 65 | Bulgaria | 14.47 | 2019 |
| 66 | United Kingdom | 14.46 | 2019 |
| 67 | Namibia | 14.23 | 2019 |
| 68 | Nepal | 13.78 | 2019 |
| 69 | Ecuador | 13.58 | 2019 |
| 70 | Kyrgyz Republic | 13.45 | 2019 |
| 71 | Seychelles | 13.41 | 2019 |
| 72 | Georgia | 13.39 | 2019 |
| 73 | St. Lucia | 13.33 | 2019 |
| 74 | Botswana | 13.13 | 2019 |
| 75 | Congo, Dem. Rep. | 13.02 | 2019 |
| 76 | Fiji | 12.97 | 2019 |
| 77 | Burkina Faso | 12.95 | 2019 |
| 78 | Cameroon | 12.95 | 2019 |
| 79 | Uzbekistan | 12.91 | 2019 |
| 80 | El Salvador | 12.79 | 2019 |
| 81 | Cote d'Ivoire | 12.7 | 2019 |
| 82 | Venezuela, RB | 12.67 | 2019 |
| 83 | Spain | 12.3 | 2019 |
| 84 | Costa Rica | 12.21 | 2019 |
| 85 | Rwanda | 12.2 | 2019 |
| 86 | Ireland | 12.15 | 2019 |
| 87 | Malawi | 12.14 | 2019 |
| 88 | Paraguay | 11.74 | 2019 |
| 89 | Angola | 11.73 | 2019 |
| 90 | Korea, Dem. People's Rep. | 11.61 | 2019 |
| 91 | Haiti | 11.51 | 2019 |
| 92 | Singapore | 11.4 | 2019 |
| 93 | Benin | 11.36 | 2019 |
| 94 | South Sudan | 11.24 | 2019 |
| 95 | Guinea-Bissau | 11.01 | 2019 |
| 96 | Senegal | 10.77 | 2019 |
| 97 | Equatorial Guinea | 10.75 | 2019 |
| 98 | Viet Nam | 10.73 | 2019 |
| 99 | Congo, Rep. | 10.53 | 2019 |
| 100 | Turkmenistan | 10.36 | 2019 |
| 101 | Italy | 10.34 | 2019 |
| 102 | Brazil | 10.24 | 2019 |
| 103 | Puerto Rico | 10.23 | 2019 |
| 104 | Mexico | 10.19 | 2019 |
| 105 | Burundi | 10.17 | 2019 |
| 106 | China | 10.16 | 2019 |
| 107 | Somalia | 10.13 | 2019 |
| 108 | Malta | 9.76 | 2019 |
| 109 | Dominican Republic | 9.72 | 2019 |
| 110 | Djibouti | 9.48 | 2019 |
| 111 | Zambia | 9.48 | 2019 |
| 112 | Kenya | 9.45 | 2019 |
| 113 | Qatar | 9.08 | 2019 |
| 114 | Guatemala | 8.74 | 2019 |
| 115 | Pakistan | 8.72 | 2019 |
| 116 | Greece | 8.6 | 2019 |
| 117 | Barbados | 8.56 | 2019 |
| 118 | Ethiopia | 8.56 | 2019 |
| 119 | Belize | 8.54 | 2019 |
| 120 | Libya | 8.53 | 2019 |
| 121 | Madagascar | 8.47 | 2019 |
| 122 | Ghana | 8.33 | 2019 |
| 123 | Uganda | 8.33 | 2019 |
| 124 | Malaysia | 8.15 | 2019 |
| 125 | Cyprus | 8.07 | 2019 |
| 126 | Colombia | 7.95 | 2019 |
| 127 | Comoros | 7.84 | 2019 |
| 128 | Liberia | 7.8 | 2019 |
| 129 | Sierra Leone | 7.79 | 2019 |
| 130 | Israel | 7.78 | 2019 |
| 131 | Chad | 7.64 | 2019 |
| 132 | Bahrain | 7.63 | 2019 |
| 133 | North Macedonia | 7.44 | 2019 |
| 134 | Nigeria | 7.36 | 2019 |
| 135 | Nicaragua | 7.31 | 2019 |
| 136 | Gambia, The | 6.99 | 2019 |
| 137 | Bolivia | 6.88 | 2019 |
| 138 | Bahamas, The | 6.62 | 2019 |
| 139 | Tanzania | 6.56 | 2019 |
| 140 | Guinea | 6.5 | 2019 |
| 141 | Lao PDR | 6.4 | 2019 |
| 142 | Iran, Islamic Rep. | 6.27 | 2019 |
| 143 | Cambodia | 6.21 | 2019 |
| 144 | Bhutan | 6.08 | 2019 |
| 145 | Niger | 6.07 | 2019 |
| 146 | Tonga | 5.92 | 2019 |
| 147 | Turkiye | 5.6 | 2019 |
| 148 | Yemen, Rep. | 5.4 | 2019 |
| 149 | Mali | 5.35 | 2019 |
| 150 | Armenia | 5.28 | 2019 |
| 151 | Timor-Leste | 5.06 | 2019 |
| 152 | Myanmar | 5.03 | 2019 |
| 153 | Albania | 4.89 | 2019 |
| 154 | Honduras | 4.88 | 2019 |
| 155 | Philippines | 4.78 | 2019 |
| 156 | Iraq | 4.77 | 2019 |
| 157 | Afghanistan | 4.66 | 2019 |
| 158 | Panama | 4.66 | 2019 |
| 159 | Sudan | 4.24 | 2019 |
| 160 | Brunei Darussalam | 4.12 | 2019 |
| 161 | Bangladesh | 3.95 | 2019 |
| 162 | Mauritania | 3.82 | 2019 |
| 163 | Maldives | 3.78 | 2019 |
| 164 | Tajikistan | 3.78 | 2019 |
| 165 | Tunisia | 3.76 | 2019 |
| 166 | Morocco | 3.71 | 2019 |
| 167 | United Arab Emirates | 3.49 | 2019 |
| 168 | Peru | 2.99 | 2019 |
| 169 | Jamaica | 2.98 | 2019 |
| 170 | Oman | 2.95 | 2019 |
| 171 | Azerbaijan | 2.83 | 2019 |
| 172 | Kuwait | 2.74 | 2019 |
| 173 | Algeria | 2.66 | 2019 |
| 174 | Papua New Guinea | 2.44 | 2019 |
| 175 | Indonesia | 2.08 | 2019 |
| 176 | Egypt, Arab Rep. | 1.36 | 2019 |
| 177 | Saudi Arabia | 1.32 | 2019 |
| 178 | Sao Tome and Principe | 1.3 | 2019 |
| 179 | Jordan | 1.16 | 2019 |
| 180 | Grenada | 1.15 | 2019 |
| 181 | West Bank and Gaza | 1.05 | 2019 |
| 182 | Syrian Arab Republic | 0.97 | 2019 |
| 183 | Lebanon | 0.89 | 2019 |
| 184 | St. Vincent and the Grenadines | 0.62 | 2019 |
| 185 | Antigua and Barbuda | 0 | 2019 |