| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Marshall Islands | 81.7034220925472 | 2015 |
| 2 | Maldives | 80.4834020536923 | 2015 |
| 3 | Bahamas, The | 69.7363513985034 | 2015 |
| 4 | Tuvalu | 68.0171314318849 | 2015 |
| 5 | Kiribati | 67.5862121496276 | 2015 |
| 6 | Turks and Caicos Islands | 63.3144755877819 | 2015 |
| 7 | Cayman Islands | 53.4014047524107 | 2015 |
| 8 | Netherlands | 52.0084577000958 | 2015 |
| 9 | Gibraltar | 47.6986075147595 | 2015 |
| 10 | Macao SAR, China | 46.8797663279414 | 2015 |
| 11 | British Virgin Islands | 41.8860015093438 | 2015 |
| 12 | Bermuda | 35.9649596757665 | 2015 |
| 13 | Bahrain | 33.8052401946887 | 2015 |
| 14 | French Polynesia | 30.0458582717511 | 2015 |
| 15 | St. Martin (French part) | 26.8925813262449 | 2015 |
| 16 | Seychelles | 26.0509636772155 | 2015 |
| 17 | Monaco | 21.0869968009206 | 2015 |
| 18 | Micronesia, Fed. Sts. | 20.2867143570825 | 2015 |
| 19 | Sint Maarten (Dutch part) | 19.213633553594 | 2015 |
| 20 | Gambia, The | 18.9212202198373 | 2015 |
| 21 | American Samoa | 18.0630311667188 | 2015 |
| 22 | Tonga | 17.5372012326067 | 2015 |
| 23 | Antigua and Barbuda | 17.2368091876745 | 2015 |
| 24 | Guinea-Bissau | 16.0430890953122 | 2015 |
| 25 | Palau | 16.0184542499446 | 2015 |
| 26 | Viet Nam | 15.9435701835988 | 2015 |
| 27 | Bangladesh | 15.8661503621848 | 2015 |
| 28 | Cuba | 14.9366835862441 | 2015 |
| 29 | Virgin Islands (U.S.) | 14.5516426684355 | 2015 |
| 30 | Nauru | 13.5112911264077 | 2015 |
| 31 | Denmark | 13.4034312467074 | 2015 |
| 32 | Hong Kong SAR, China | 13.3085477908195 | 2015 |
| 33 | Northern Mariana Islands | 12.8832280350592 | 2015 |
| 34 | Belize | 12.4503046517218 | 2015 |
| 35 | Qatar | 11.5571811331815 | 2015 |
| 36 | Aruba | 10.385854145343 | 2015 |
| 37 | Singapore | 9.75689191069018 | 2015 |
| 38 | Kuwait | 8.59160119945102 | 2015 |
| 39 | Fiji | 8.29796274665847 | 2015 |
| 40 | St. Kitts and Nevis | 8.11338657701625 | 2015 |
| 41 | St. Vincent and the Grenadines | 7.84449792276076 | 2015 |
| 42 | Grenada | 7.81742628576917 | 2015 |
| 43 | Indonesia | 7.71005538043145 | 2015 |
| 44 | Trinidad and Tobago | 7.29692105563009 | 2015 |
| 45 | Solomon Islands | 7.29003277631837 | 2015 |
| 46 | Curacao | 7.26996007674969 | 2015 |
| 47 | Malta | 7.09445661696985 | 2015 |
| 48 | Malaysia | 6.89026185884778 | 2015 |
| 49 | Puerto Rico | 6.7879510222038 | 2015 |
| 50 | Suriname | 6.35628853676729 | 2015 |
| 51 | Nicaragua | 5.89345188779541 | 2015 |
| 52 | Brunei Darussalam | 5.50154133471272 | 2015 |
| 53 | Cabo Verde | 5.42512817792104 | 2015 |
| 54 | New Caledonia | 5.40773374745699 | 2015 |
| 55 | Belgium | 5.3967907604698 | 2015 |
| 56 | Sierra Leone | 5.25668349060968 | 2015 |
| 57 | Guyana | 5.21862830877688 | 2015 |
| 58 | Greenland | 5.10136353446506 | 2015 |
| 59 | Guam | 4.94544025597342 | 2015 |
| 60 | Jamaica | 4.80325553379893 | 2015 |
| 61 | Philippines | 4.64931683189432 | 2015 |
| 62 | New Zealand | 4.62627363117754 | 2015 |
| 63 | St. Lucia | 4.62134351537154 | 2015 |
| 64 | Myanmar | 4.51455414604067 | 2015 |
| 65 | Honduras | 4.49451010868349 | 2015 |
| 66 | Panama | 4.49107718702475 | 2015 |
| 67 | Senegal | 4.34850399015305 | 2015 |
| 68 | Thailand | 4.23905386738625 | 2015 |
| 69 | Vanuatu | 4.21509043203904 | 2015 |
| 70 | United Arab Emirates | 4.09434245038579 | 2015 |
| 71 | United Kingdom | 4.06052262857403 | 2015 |
| 72 | Comoros | 4.02107712977609 | 2015 |
| 73 | Papua New Guinea | 3.84186096929376 | 2015 |
| 74 | Isle of Man | 3.82028576193246 | 2015 |
| 75 | Albania | 3.75614009062933 | 2015 |
| 76 | El Salvador | 3.63128219544997 | 2015 |
| 77 | Mauritius | 3.52118232099046 | 2015 |
| 78 | Sri Lanka | 3.47658480132331 | 2015 |
| 79 | Estonia | 3.44379113110202 | 2015 |
| 80 | Greece | 3.41468670119004 | 2015 |
| 81 | Sao Tome and Principe | 3.40135779698111 | 2015 |
| 82 | Germany | 3.31163334379631 | 2015 |
| 83 | Italy | 3.28171440431111 | 2015 |
| 84 | Japan | 3.25499866561465 | 2015 |
| 85 | Barbados | 3.23020558026124 | 2015 |
| 86 | Dominica | 2.99470607399413 | 2015 |
| 87 | Korea, Rep. | 2.98079254341265 | 2015 |
| 88 | Costa Rica | 2.92573046979411 | 2015 |
| 89 | Iraq | 2.88026769556178 | 2015 |
| 90 | Faroe Islands | 2.76006522393632 | 2015 |
| 91 | Mexico | 2.68482850822463 | 2015 |
| 92 | Dominican Republic | 2.43129020026616 | 2015 |
| 93 | Haiti | 2.34132841171347 | 2015 |
| 94 | Cyprus | 2.13012284017645 | 2015 |
| 95 | Samoa | 2.11351823444526 | 2015 |
| 96 | Nigeria | 2.10696169438296 | 2015 |
| 97 | Mozambique | 2.06299817325649 | 2015 |
| 98 | Ireland | 2.05292798664752 | 2015 |
| 99 | Latvia | 1.88345468654043 | 2015 |
| 100 | Iceland | 1.86166094829309 | 2015 |
| 101 | Cambodia | 1.73514794552964 | 2015 |
| 102 | Portugal | 1.68511220438307 | 2015 |
| 103 | Korea, Dem. People's Rep. | 1.66870356551943 | 2015 |
| 104 | Croatia | 1.60994688952881 | 2015 |
| 105 | Norway | 1.59868680763801 | 2015 |
| 106 | Venezuela, RB | 1.56674646259316 | 2015 |
| 107 | Timor-Leste | 1.55907157816078 | 2015 |
| 108 | Chile | 1.53196018762529 | 2015 |
| 109 | Egypt, Arab Rep. | 1.50644501945213 | 2015 |
| 110 | France | 1.49212377808455 | 2015 |
| 111 | Tunisia | 1.47000587989164 | 2015 |
| 112 | United States | 1.45540481308153 | 2015 |
| 113 | Gabon | 1.43045361296654 | 2015 |
| 114 | Georgia | 1.39610852889574 | 2015 |
| 115 | Romania | 1.38536239806098 | 2015 |
| 116 | Guinea | 1.3778542446786 | 2015 |
| 117 | Pakistan | 1.30601857256827 | 2015 |
| 118 | Ecuador | 1.28570738232506 | 2015 |
| 119 | Eritrea | 1.27908091533009 | 2015 |
| 120 | Madagascar | 1.25938945719906 | 2015 |
| 121 | India | 1.25039652141578 | 2015 |
| 122 | Finland | 1.21649056429136 | 2015 |
| 123 | Benin | 1.13834932200242 | 2015 |
| 124 | Colombia | 1.13495454013941 | 2015 |
| 125 | Liberia | 1.10372857408954 | 2015 |
| 126 | Mauritania | 1.08239953960961 | 2015 |
| 127 | Poland | 1.05983749101733 | 2015 |
| 128 | Sweden | 0.996003669728107 | 2015 |
| 129 | Brazil | 0.854755123914608 | 2015 |
| 130 | Ukraine | 0.820800772448344 | 2015 |
| 131 | China | 0.817966493195581 | 2015 |
| 132 | Equatorial Guinea | 0.816320272917788 | 2015 |
| 133 | Spain | 0.816065358597798 | 2015 |
| 134 | Oman | 0.793991213306997 | 2015 |
| 135 | Iran, Islamic Rep. | 0.780218808051936 | 2015 |
| 136 | Djibouti | 0.748581142403675 | 2015 |
| 137 | Guatemala | 0.73262406616977 | 2015 |
| 138 | Australia | 0.73061086731368 | 2015 |
| 139 | Ghana | 0.727868498970982 | 2015 |
| 140 | Montenegro | 0.701665704118328 | 2015 |
| 141 | Lithuania | 0.697016788385351 | 2015 |
| 142 | Russian Federation | 0.674586410966513 | 2015 |
| 143 | Canada | 0.646344356144417 | 2015 |
| 144 | Lebanon | 0.623546939880373 | 2015 |
| 145 | Argentina | 0.621191850113878 | 2015 |
| 146 | Uruguay | 0.613938450107093 | 2015 |
| 147 | Turkiye | 0.572584849103025 | 2015 |
| 148 | Cote d'Ivoire | 0.51280966514918 | 2015 |
| 149 | Israel | 0.493446011370041 | 2015 |
| 150 | Libya | 0.479890991052062 | 2015 |
| 151 | Cameroon | 0.463427153685928 | 2015 |
| 152 | Togo | 0.41113363195663 | 2015 |
| 153 | Yemen, Rep. | 0.385032911667232 | 2015 |
| 154 | Saudi Arabia | 0.38059515092117 | 2015 |
| 155 | Peru | 0.295481210157947 | 2015 |
| 156 | Kenya | 0.274727760666996 | 2015 |
| 157 | Somalia | 0.240375612735612 | 2015 |
| 158 | Congo, Rep. | 0.234273168222491 | 2015 |
| 159 | Morocco | 0.216119843145701 | 2015 |
| 160 | Namibia | 0.201182291648057 | 2015 |
| 161 | Tanzania | 0.173452116135721 | 2015 |
| 162 | Angola | 0.16055459171434 | 2015 |
| 163 | West Bank and Gaza | 0.147112482262363 | 2015 |
| 164 | Bulgaria | 0.138744231990312 | 2015 |
| 165 | South Africa | 0.114150971108376 | 2015 |
| 166 | Slovenia | 0.106451097540971 | 2015 |
| 167 | Sudan | 0.0836492778457297 | 2015 |
| 168 | Syrian Arab Republic | 0.0309847408778005 | 2015 |
| 169 | Congo, Dem. Rep. | 0.0273775503207665 | 2015 |
| 170 | Algeria | 0.0253949845887019 | 2015 |
| 171 | Bosnia and Herzegovina | 0.0057206347777854 | 2015 |
| 172 | Jordan | 0.00426687907154254 | 2015 |
| 173 | Afghanistan | 0 | 2015 |
| 174 | Andorra | 0 | 2015 |
| 175 | Armenia | 0 | 2015 |
| 176 | Austria | 0 | 2015 |
| 177 | Azerbaijan | 0 | 2015 |
| 178 | Belarus | 0 | 2015 |
| 179 | Bhutan | 0 | 2015 |
| 180 | Bolivia | 0 | 2015 |
| 181 | Botswana | 0 | 2015 |
| 182 | Burkina Faso | 0 | 2015 |
| 183 | Burundi | 0 | 2015 |
| 184 | Central African Republic | 0 | 2015 |
| 185 | Chad | 0 | 2015 |
| 186 | Czechia | 0 | 2015 |
| 187 | Eswatini | 0 | 2015 |
| 188 | Ethiopia | 0 | 2015 |
| 189 | Hungary | 0 | 2015 |
| 190 | Kazakhstan | 0 | 2015 |
| 191 | Kyrgyz Republic | 0 | 2015 |
| 192 | Lao PDR | 0 | 2015 |
| 193 | Lesotho | 0 | 2015 |
| 194 | Liechtenstein | 0 | 2015 |
| 195 | Luxembourg | 0 | 2015 |
| 196 | Malawi | 0 | 2015 |
| 197 | Mali | 0 | 2015 |
| 198 | Moldova | 0 | 2015 |
| 199 | Mongolia | 0 | 2015 |
| 200 | Nepal | 0 | 2015 |
| 201 | Niger | 0 | 2015 |
| 202 | North Macedonia | 0 | 2015 |
| 203 | Paraguay | 0 | 2015 |
| 204 | Rwanda | 0 | 2015 |
| 205 | San Marino | 0 | 2015 |
| 206 | Serbia | 0 | 2015 |
| 207 | Slovak Republic | 0 | 2015 |
| 208 | South Sudan | 0 | 2015 |
| 209 | Switzerland | 0 | 2015 |
| 210 | Tajikistan | 0 | 2015 |
| 211 | Turkmenistan | 0 | 2015 |
| 212 | Uganda | 0 | 2015 |
| 213 | Uzbekistan | 0 | 2015 |
| 214 | Zambia | 0 | 2015 |
| 215 | Zimbabwe | 0 | 2015 |