| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Pakistan | 30.8 | 2021 |
| 2 | French Polynesia | 25.2 | 2021 |
| 3 | Kuwait | 24.9 | 2021 |
| 4 | Nauru | 23.4 | 2021 |
| 5 | New Caledonia | 23.4 | 2021 |
| 6 | Northern Mariana Islands | 23.4 | 2021 |
| 7 | Marshall Islands | 23 | 2021 |
| 8 | Mauritius | 22.6 | 2021 |
| 9 | Kiribati | 22.1 | 2021 |
| 10 | Egypt, Arab Rep. | 20.9 | 2021 |
| 11 | American Samoa | 20.3 | 2021 |
| 12 | Tuvalu | 20.3 | 2021 |
| 13 | Solomon Islands | 19.8 | 2021 |
| 14 | Qatar | 19.5 | 2021 |
| 15 | Guam | 19.1 | 2021 |
| 16 | Malaysia | 19 | 2021 |
| 17 | Sudan | 18.9 | 2021 |
| 18 | Saudi Arabia | 18.7 | 2021 |
| 19 | Fiji | 17.7 | 2021 |
| 20 | Palau | 17 | 2021 |
| 21 | Mexico | 16.9 | 2021 |
| 22 | Papua New Guinea | 16.7 | 2021 |
| 23 | United Arab Emirates | 16.4 | 2021 |
| 24 | St. Kitts and Nevis | 16.1 | 2021 |
| 25 | Micronesia, Fed. Sts. | 15.6 | 2021 |
| 26 | Vanuatu | 15.6 | 2021 |
| 27 | Jordan | 15.4 | 2021 |
| 28 | Tonga | 15 | 2021 |
| 29 | Syrian Arab Republic | 14.9 | 2021 |
| 30 | Belize | 14.5 | 2021 |
| 31 | Turkiye | 14.5 | 2021 |
| 32 | Bangladesh | 14.2 | 2021 |
| 33 | Barbados | 14 | 2021 |
| 34 | Oman | 13.8 | 2021 |
| 35 | Puerto Rico | 13.3 | 2021 |
| 36 | Guatemala | 13.1 | 2021 |
| 37 | Bermuda | 13 | 2021 |
| 38 | Cayman Islands | 13 | 2021 |
| 39 | Suriname | 12.7 | 2021 |
| 40 | Trinidad and Tobago | 12.7 | 2021 |
| 41 | Grenada | 12.6 | 2021 |
| 42 | Virgin Islands (U.S.) | 12.4 | 2021 |
| 43 | Tanzania | 12.3 | 2021 |
| 44 | Zambia | 11.9 | 2021 |
| 45 | Antigua and Barbuda | 11.7 | 2021 |
| 46 | Comoros | 11.7 | 2021 |
| 47 | Curacao | 11.7 | 2021 |
| 48 | Dominica | 11.7 | 2021 |
| 49 | Guyana | 11.7 | 2021 |
| 50 | St. Lucia | 11.7 | 2021 |
| 51 | Singapore | 11.6 | 2021 |
| 52 | Bahrain | 11.3 | 2021 |
| 53 | Sri Lanka | 11.3 | 2021 |
| 54 | Brunei Darussalam | 11.1 | 2021 |
| 55 | Jamaica | 11.1 | 2021 |
| 56 | Afghanistan | 10.9 | 2021 |
| 57 | Chile | 10.8 | 2021 |
| 58 | South Africa | 10.8 | 2021 |
| 59 | Iraq | 10.7 | 2021 |
| 60 | United States | 10.7 | 2021 |
| 61 | China | 10.6 | 2021 |
| 62 | Indonesia | 10.6 | 2021 |
| 63 | Dominican Republic | 10.5 | 2021 |
| 64 | Bhutan | 10.4 | 2021 |
| 65 | Spain | 10.3 | 2021 |
| 66 | Albania | 10.2 | 2021 |
| 67 | Andorra | 9.7 | 2021 |
| 68 | Thailand | 9.7 | 2021 |
| 69 | India | 9.6 | 2021 |
| 70 | Tunisia | 9.6 | 2021 |
| 71 | Venezuela, RB | 9.6 | 2021 |
| 72 | Nicaragua | 9.3 | 2021 |
| 73 | Maldives | 9.2 | 2021 |
| 74 | Samoa | 9.2 | 2021 |
| 75 | West Bank and Gaza | 9.2 | 2021 |
| 76 | Bosnia and Herzegovina | 9.1 | 2021 |
| 77 | Iran, Islamic Rep. | 9.1 | 2021 |
| 78 | Montenegro | 9.1 | 2021 |
| 79 | Morocco | 9.1 | 2021 |
| 80 | Portugal | 9.1 | 2021 |
| 81 | Serbia | 9.1 | 2021 |
| 82 | Uruguay | 9 | 2021 |
| 83 | Haiti | 8.9 | 2021 |
| 84 | Bahamas, The | 8.8 | 2021 |
| 85 | Brazil | 8.8 | 2021 |
| 86 | Costa Rica | 8.8 | 2021 |
| 87 | British Virgin Islands | 8.7 | 2021 |
| 88 | Libya | 8.7 | 2021 |
| 89 | Nepal | 8.7 | 2021 |
| 90 | Cyprus | 8.6 | 2021 |
| 91 | Korea, Dem. People's Rep. | 8.6 | 2021 |
| 92 | Timor-Leste | 8.6 | 2021 |
| 93 | Israel | 8.5 | 2021 |
| 94 | Seychelles | 8.5 | 2021 |
| 95 | Colombia | 8.3 | 2021 |
| 96 | Panama | 8.2 | 2021 |
| 97 | Lebanon | 8 | 2021 |
| 98 | Malta | 8 | 2021 |
| 99 | St. Vincent and the Grenadines | 8 | 2021 |
| 100 | Hong Kong SAR, China | 7.8 | 2021 |
| 101 | Macao SAR, China | 7.8 | 2021 |
| 102 | Canada | 7.7 | 2021 |
| 103 | Cuba | 7.6 | 2021 |
| 104 | Paraguay | 7.5 | 2021 |
| 105 | Bulgaria | 7.4 | 2021 |
| 106 | Djibouti | 7.4 | 2021 |
| 107 | San Marino | 7.4 | 2021 |
| 108 | Cambodia | 7.3 | 2021 |
| 109 | Malawi | 7.3 | 2021 |
| 110 | Algeria | 7.1 | 2021 |
| 111 | Czechia | 7.1 | 2021 |
| 112 | Myanmar | 7.1 | 2021 |
| 113 | Philippines | 7.1 | 2021 |
| 114 | Hungary | 7 | 2021 |
| 115 | Uzbekistan | 7 | 2021 |
| 116 | Germany | 6.9 | 2021 |
| 117 | Mongolia | 6.9 | 2021 |
| 118 | Korea, Rep. | 6.8 | 2021 |
| 119 | Poland | 6.8 | 2021 |
| 120 | Namibia | 6.7 | 2021 |
| 121 | Turkmenistan | 6.7 | 2021 |
| 122 | Japan | 6.6 | 2021 |
| 123 | Kazakhstan | 6.6 | 2021 |
| 124 | Kyrgyz Republic | 6.6 | 2021 |
| 125 | Tajikistan | 6.6 | 2021 |
| 126 | Burundi | 6.5 | 2021 |
| 127 | Eritrea | 6.5 | 2021 |
| 128 | Estonia | 6.5 | 2021 |
| 129 | Romania | 6.5 | 2021 |
| 130 | Rwanda | 6.5 | 2021 |
| 131 | Somalia | 6.5 | 2021 |
| 132 | South Sudan | 6.5 | 2021 |
| 133 | Australia | 6.4 | 2021 |
| 134 | Greece | 6.4 | 2021 |
| 135 | Italy | 6.4 | 2021 |
| 136 | Channel Islands | 6.3 | 2021 |
| 137 | El Salvador | 6.3 | 2021 |
| 138 | Isle of Man | 6.3 | 2021 |
| 139 | United Kingdom | 6.3 | 2021 |
| 140 | Lao PDR | 6.2 | 2021 |
| 141 | Monaco | 6.2 | 2021 |
| 142 | New Zealand | 6.2 | 2021 |
| 143 | Finland | 6.1 | 2021 |
| 144 | Liechtenstein | 6.1 | 2021 |
| 145 | North Macedonia | 6.1 | 2021 |
| 146 | Viet Nam | 6.1 | 2021 |
| 147 | Latvia | 5.9 | 2021 |
| 148 | Luxembourg | 5.9 | 2021 |
| 149 | Central African Republic | 5.8 | 2021 |
| 150 | Chad | 5.8 | 2021 |
| 151 | Congo, Dem. Rep. | 5.8 | 2021 |
| 152 | Lithuania | 5.8 | 2021 |
| 153 | Slovak Republic | 5.8 | 2021 |
| 154 | Slovenia | 5.8 | 2021 |
| 155 | Georgia | 5.7 | 2021 |
| 156 | Armenia | 5.6 | 2021 |
| 157 | Azerbaijan | 5.6 | 2021 |
| 158 | Belarus | 5.6 | 2021 |
| 159 | Moldova | 5.6 | 2021 |
| 160 | Russian Federation | 5.6 | 2021 |
| 161 | Ukraine | 5.6 | 2021 |
| 162 | Bolivia | 5.5 | 2021 |
| 163 | Cameroon | 5.5 | 2021 |
| 164 | Congo, Rep. | 5.5 | 2021 |
| 165 | Equatorial Guinea | 5.5 | 2021 |
| 166 | Gabon | 5.5 | 2021 |
| 167 | Iceland | 5.5 | 2021 |
| 168 | Sao Tome and Principe | 5.5 | 2021 |
| 169 | Argentina | 5.4 | 2021 |
| 170 | Yemen, Rep. | 5.4 | 2021 |
| 171 | Denmark | 5.3 | 2021 |
| 172 | France | 5.3 | 2021 |
| 173 | Botswana | 5.2 | 2021 |
| 174 | Niger | 5.2 | 2021 |
| 175 | Honduras | 5.1 | 2021 |
| 176 | Ethiopia | 5 | 2021 |
| 177 | Sweden | 5 | 2021 |
| 178 | Croatia | 4.8 | 2021 |
| 179 | Peru | 4.8 | 2021 |
| 180 | Angola | 4.6 | 2021 |
| 181 | Austria | 4.6 | 2021 |
| 182 | Eswatini | 4.6 | 2021 |
| 183 | Lesotho | 4.6 | 2021 |
| 184 | Madagascar | 4.6 | 2021 |
| 185 | Switzerland | 4.6 | 2021 |
| 186 | Uganda | 4.6 | 2021 |
| 187 | Netherlands | 4.5 | 2021 |
| 188 | Ecuador | 4.4 | 2021 |
| 189 | Aruba | 4.3 | 2021 |
| 190 | Kenya | 4 | 2021 |
| 191 | Faroe Islands | 3.8 | 2021 |
| 192 | Belgium | 3.6 | 2021 |
| 193 | Nigeria | 3.6 | 2021 |
| 194 | Norway | 3.6 | 2021 |
| 195 | Greenland | 3.3 | 2021 |
| 196 | Mozambique | 3.3 | 2021 |
| 197 | Senegal | 3.1 | 2021 |
| 198 | Ireland | 3 | 2021 |
| 199 | Ghana | 2.6 | 2021 |
| 200 | Burkina Faso | 2.1 | 2021 |
| 201 | Cabo Verde | 2.1 | 2021 |
| 202 | Cote d'Ivoire | 2.1 | 2021 |
| 203 | Guinea | 2.1 | 2021 |
| 204 | Guinea-Bissau | 2.1 | 2021 |
| 205 | Liberia | 2.1 | 2021 |
| 206 | Mali | 2.1 | 2021 |
| 207 | Mauritania | 2.1 | 2021 |
| 208 | Sierra Leone | 2.1 | 2021 |
| 209 | Togo | 2.1 | 2021 |
| 210 | Zimbabwe | 2.1 | 2021 |
| 211 | Gambia, The | 1.9 | 2021 |
| 212 | Benin | 1.1 | 2021 |