| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Gibraltar | 55.3495801857299 | 2015 |
| 2 | Suriname | 53.4839716243081 | 2015 |
| 3 | Guyana | 51.9873527522393 | 2015 |
| 4 | Netherlands | 43.8096052939172 | 2015 |
| 5 | Marshall Islands | 36.2621669184512 | 2015 |
| 6 | Bahrain | 31.9817335414392 | 2015 |
| 7 | Belize | 28.4691862160133 | 2015 |
| 8 | St. Martin (French part) | 25.6116349326706 | 2015 |
| 9 | United Arab Emirates | 25.5033134260537 | 2015 |
| 10 | Viet Nam | 22.504797464959 | 2015 |
| 11 | Mauritania | 19.5397951254318 | 2015 |
| 12 | Maldives | 18.1546850591157 | 2015 |
| 13 | Macao SAR, China | 16.4565015811634 | 2015 |
| 14 | Greenland | 16.3987751449156 | 2015 |
| 15 | Eritrea | 14.9037642302631 | 2015 |
| 16 | Thailand | 14.6506060086 | 2015 |
| 17 | Brunei Darussalam | 13.9375149423179 | 2015 |
| 18 | Egypt, Arab Rep. | 13.750899401334 | 2015 |
| 19 | Kiribati | 13.3236671353905 | 2015 |
| 20 | Seychelles | 13.2624662785847 | 2015 |
| 21 | Japan | 11.5747621193697 | 2015 |
| 22 | Tonga | 11.3689217123716 | 2015 |
| 23 | Cayman Islands | 11.089282110132 | 2015 |
| 24 | Liberia | 9.52124734737582 | 2015 |
| 25 | Denmark | 8.64748991042615 | 2015 |
| 26 | Djibouti | 8.60943946807135 | 2015 |
| 27 | Tunisia | 7.95926997478388 | 2015 |
| 28 | Latvia | 7.95543952526067 | 2015 |
| 29 | Gabon | 7.88184195432294 | 2015 |
| 30 | Nauru | 7.44928161588689 | 2015 |
| 31 | Jamaica | 7.32869431072499 | 2015 |
| 32 | Monaco | 7.2987345838398 | 2015 |
| 33 | Puerto Rico | 6.98888109200407 | 2015 |
| 34 | Dominica | 6.95788453627452 | 2015 |
| 35 | Hong Kong SAR, China | 6.73123675605892 | 2015 |
| 36 | Malaysia | 6.51856811135229 | 2015 |
| 37 | Indonesia | 6.37354752480886 | 2015 |
| 38 | Albania | 6.36725889482294 | 2015 |
| 39 | Ecuador | 6.3540356245696 | 2015 |
| 40 | Iceland | 6.3211319788336 | 2015 |
| 41 | Bangladesh | 6.06483592943179 | 2015 |
| 42 | Turks and Caicos Islands | 6.04509650343443 | 2015 |
| 43 | Benin | 6.00319532160345 | 2015 |
| 44 | Philippines | 5.93585399053803 | 2015 |
| 45 | Qatar | 5.86988562808671 | 2015 |
| 46 | Libya | 5.79539279534935 | 2015 |
| 47 | New Caledonia | 5.32349427952687 | 2015 |
| 48 | Oman | 5.06208024525937 | 2015 |
| 49 | Bermuda | 4.93867944647292 | 2015 |
| 50 | Equatorial Guinea | 4.902126725101 | 2015 |
| 51 | Senegal | 4.81548199492644 | 2015 |
| 52 | Papua New Guinea | 4.76855175880511 | 2015 |
| 53 | Aruba | 4.60560201768215 | 2015 |
| 54 | Sint Maarten (Dutch part) | 4.49523411217714 | 2015 |
| 55 | China | 4.35330882386637 | 2015 |
| 56 | British Virgin Islands | 4.33418226367478 | 2015 |
| 57 | Belgium | 4.23288079140423 | 2015 |
| 58 | Grenada | 4.12026843598807 | 2015 |
| 59 | Bahamas, The | 4.03767804406236 | 2015 |
| 60 | Antigua and Barbuda | 3.97656147777547 | 2015 |
| 61 | Kuwait | 3.91300721715116 | 2015 |
| 62 | Isle of Man | 3.62688066880548 | 2015 |
| 63 | French Polynesia | 3.50052390313511 | 2015 |
| 64 | Fiji | 3.48603244264395 | 2015 |
| 65 | Iraq | 3.46737600013636 | 2015 |
| 66 | Sweden | 3.39593161966559 | 2015 |
| 67 | Korea, Dem. People's Rep. | 3.38560692741785 | 2015 |
| 68 | Spain | 3.37222130235961 | 2015 |
| 69 | Myanmar | 3.35060658309159 | 2015 |
| 70 | Micronesia, Fed. Sts. | 3.34314780273599 | 2015 |
| 71 | Northern Mariana Islands | 3.31866746384801 | 2015 |
| 72 | Panama | 3.26427150331578 | 2015 |
| 73 | Venezuela, RB | 3.24682044448465 | 2015 |
| 74 | Georgia | 3.03959394630412 | 2015 |
| 75 | St. Kitts and Nevis | 2.9615272540134 | 2015 |
| 76 | Trinidad and Tobago | 2.95534411062824 | 2015 |
| 77 | Haiti | 2.93591746648115 | 2015 |
| 78 | Finland | 2.90262734152158 | 2015 |
| 79 | Norway | 2.89410631274489 | 2015 |
| 80 | Greece | 2.86727074948023 | 2015 |
| 81 | Lebanon | 2.79063763069214 | 2015 |
| 82 | Palau | 2.775093803802 | 2015 |
| 83 | Montenegro | 2.76104587228252 | 2015 |
| 84 | Cote d'Ivoire | 2.71979650450791 | 2015 |
| 85 | Nigeria | 2.7177531284189 | 2015 |
| 86 | Australia | 2.70967706129351 | 2015 |
| 87 | Italy | 2.68299791728065 | 2015 |
| 88 | Somalia | 2.67831520105903 | 2015 |
| 89 | Cyprus | 2.56514952874727 | 2015 |
| 90 | Saudi Arabia | 2.52384468700662 | 2015 |
| 91 | Croatia | 2.44112588767236 | 2015 |
| 92 | Sri Lanka | 2.37042769644117 | 2015 |
| 93 | New Zealand | 2.22377953049516 | 2015 |
| 94 | Comoros | 2.14764714351587 | 2015 |
| 95 | Madagascar | 2.09909340572349 | 2015 |
| 96 | United Kingdom | 2.07611725998585 | 2015 |
| 97 | Virgin Islands (U.S.) | 2.06090760717932 | 2015 |
| 98 | Turkiye | 2.05455428899421 | 2015 |
| 99 | Gambia, The | 1.92957740511932 | 2015 |
| 100 | Cameroon | 1.9166220998732 | 2015 |
| 101 | Uruguay | 1.90377489993985 | 2015 |
| 102 | St. Lucia | 1.8866329481395 | 2015 |
| 103 | Barbados | 1.84675384949251 | 2015 |
| 104 | Malta | 1.84190156673493 | 2015 |
| 105 | Solomon Islands | 1.79785728945013 | 2015 |
| 106 | Vanuatu | 1.7917274157673 | 2015 |
| 107 | Colombia | 1.78023640731073 | 2015 |
| 108 | Brazil | 1.74176208411886 | 2015 |
| 109 | Ireland | 1.63531715705878 | 2015 |
| 110 | Israel | 1.60445465429096 | 2015 |
| 111 | Korea, Rep. | 1.56865507207618 | 2015 |
| 112 | Sao Tome and Principe | 1.55447326096186 | 2015 |
| 113 | Cuba | 1.54681570855616 | 2015 |
| 114 | United States | 1.4767857785902 | 2015 |
| 115 | Guinea | 1.46906306056809 | 2015 |
| 116 | India | 1.44686399041262 | 2015 |
| 117 | Ghana | 1.41563285205837 | 2015 |
| 118 | Samoa | 1.38843211451976 | 2015 |
| 119 | Dominican Republic | 1.38305469047619 | 2015 |
| 120 | Curacao | 1.36561766128322 | 2015 |
| 121 | St. Vincent and the Grenadines | 1.3475518280179 | 2015 |
| 122 | Estonia | 1.31773108371416 | 2015 |
| 123 | Mozambique | 1.31107666129378 | 2015 |
| 124 | Slovenia | 1.26875242564278 | 2015 |
| 125 | France | 1.26393145663351 | 2015 |
| 126 | Guinea-Bissau | 1.24085460897296 | 2015 |
| 127 | Angola | 1.22031473386113 | 2015 |
| 128 | Sierra Leone | 1.18716742336241 | 2015 |
| 129 | Mauritius | 1.18691272837823 | 2015 |
| 130 | Bulgaria | 1.18593949787323 | 2015 |
| 131 | Germany | 1.1777360602208 | 2015 |
| 132 | Morocco | 1.16911789825743 | 2015 |
| 133 | Lithuania | 1.14657047661251 | 2015 |
| 134 | Algeria | 1.12475465185959 | 2015 |
| 135 | Timor-Leste | 1.06192875757289 | 2015 |
| 136 | Poland | 1.05831371673109 | 2015 |
| 137 | Cabo Verde | 1.01686248032638 | 2015 |
| 138 | Yemen, Rep. | 1.00996020680856 | 2015 |
| 139 | Togo | 0.981711709759226 | 2015 |
| 140 | Costa Rica | 0.964491150023063 | 2015 |
| 141 | Nicaragua | 0.938935966496589 | 2015 |
| 142 | Argentina | 0.89620461763734 | 2015 |
| 143 | Canada | 0.892721442026911 | 2015 |
| 144 | Portugal | 0.806067778258464 | 2015 |
| 145 | Iran, Islamic Rep. | 0.759192443368756 | 2015 |
| 146 | Ukraine | 0.752524496924324 | 2015 |
| 147 | Congo, Rep. | 0.711294533798085 | 2015 |
| 148 | Russian Federation | 0.697415571406096 | 2015 |
| 149 | Cambodia | 0.687841466704933 | 2015 |
| 150 | Guam | 0.661445417000809 | 2015 |
| 151 | Chile | 0.659960079777597 | 2015 |
| 152 | Singapore | 0.656566658087191 | 2015 |
| 153 | Mexico | 0.630815234721685 | 2015 |
| 154 | Honduras | 0.58797234131847 | 2015 |
| 155 | American Samoa | 0.543848382270317 | 2015 |
| 156 | Sudan | 0.416263007556351 | 2015 |
| 157 | Peru | 0.391034576325934 | 2015 |
| 158 | Syrian Arab Republic | 0.31380140190585 | 2015 |
| 159 | El Salvador | 0.26080756905024 | 2015 |
| 160 | Romania | 0.246959427721656 | 2015 |
| 161 | Kenya | 0.210684284716531 | 2015 |
| 162 | Pakistan | 0.209824035021691 | 2015 |
| 163 | West Bank and Gaza | 0.19212012350603 | 2015 |
| 164 | Guatemala | 0.121005271112111 | 2015 |
| 165 | South Africa | 0.114056751812103 | 2015 |
| 166 | Namibia | 0.112413477611878 | 2015 |
| 167 | Tanzania | 0.0995070214673028 | 2015 |
| 168 | Jordan | 0.0385479374273266 | 2015 |
| 169 | Congo, Dem. Rep. | 0.00363549868666974 | 2015 |
| 170 | Afghanistan | 0 | 2015 |
| 171 | Andorra | 0 | 2015 |
| 172 | Armenia | 0 | 2015 |
| 173 | Austria | 0 | 2015 |
| 174 | Azerbaijan | 0 | 2015 |
| 175 | Belarus | 0 | 2015 |
| 176 | Bhutan | 0 | 2015 |
| 177 | Bolivia | 0 | 2015 |
| 178 | Bosnia and Herzegovina | 0 | 2015 |
| 179 | Botswana | 0 | 2015 |
| 180 | Burkina Faso | 0 | 2015 |
| 181 | Burundi | 0 | 2015 |
| 182 | Central African Republic | 0 | 2015 |
| 183 | Chad | 0 | 2015 |
| 184 | Czechia | 0 | 2015 |
| 185 | Eswatini | 0 | 2015 |
| 186 | Ethiopia | 0 | 2015 |
| 187 | Faroe Islands | 0 | 2015 |
| 188 | Hungary | 0 | 2015 |
| 189 | Kazakhstan | 0 | 2015 |
| 190 | Kyrgyz Republic | 0 | 2015 |
| 191 | Lao PDR | 0 | 2015 |
| 192 | Lesotho | 0 | 2015 |
| 193 | Liechtenstein | 0 | 2015 |
| 194 | Luxembourg | 0 | 2015 |
| 195 | Malawi | 0 | 2015 |
| 196 | Mali | 0 | 2015 |
| 197 | Moldova | 0 | 2015 |
| 198 | Mongolia | 0 | 2015 |
| 199 | Nepal | 0 | 2015 |
| 200 | Niger | 0 | 2015 |
| 201 | North Macedonia | 0 | 2015 |
| 202 | Paraguay | 0 | 2015 |
| 203 | Rwanda | 0 | 2015 |
| 204 | San Marino | 0 | 2015 |
| 205 | Serbia | 0 | 2015 |
| 206 | Slovak Republic | 0 | 2015 |
| 207 | South Sudan | 0 | 2015 |
| 208 | Switzerland | 0 | 2015 |
| 209 | Tajikistan | 0 | 2015 |
| 210 | Turkmenistan | 0 | 2015 |
| 211 | Tuvalu | 0 | 2015 |
| 212 | Uganda | 0 | 2015 |
| 213 | Uzbekistan | 0 | 2015 |
| 214 | Zambia | 0 | 2015 |
| 215 | Zimbabwe | 0 | 2015 |