| Afghanistan | 18 |
| Aland Islands | |
| Albania | 36 |
| Algeria | 29 |
| American Samoa | |
| Andorra | |
| Angola | 17 |
| Anguilla | |
| Antarctica | |
| Antigua and Barbuda | 34 |
| Argentina | 32 |
| Armenia | 35 |
| Aruba | 41 |
| Australia | 38 |
| Austria | 43 |
| Azerbaijan | 32 |
| Bahamas | 32 |
| Bahrain | 32 |
| Bangladesh | 28 |
| Barbados | 40 |
| Belarus | 40 |
| Belgium | 42 |
| Belize | 25 |
| Benin | 19 |
| Bermuda | |
| Bhutan | 28 |
| Bolivia | 26 |
| Bosnia and Herzegovina | 43 |
| Botswana | 24 |
| Bouvet Island | |
| Brazil | 33 |
| British Indian Ocean Territory | |
| British Virgin Islands | |
| Brunei Darussalam | 32 |
| Bulgaria | 45 |
| Burkina Faso | 18 |
| Burundi | 17 |
| Cambodia | 26 |
| Cameroon | 19 |
| Canada | 41 |
| Cape Verde | 28 |
| Cayman Islands | |
| Central African Republic | 18 |
| Chad | 17 |
| Chile | 35 |
| China | 38 |
| Christmas Island | |
| Cocos (Keeling) Islands | |
| Colombia | 31 |
| Comoros | 20 |
| Congo | 19 |
| Congo, Democratic Republic of the | 17 |
| Cook Islands | |
| Costa Rica | 33 |
| Croatia | 44 |
| Cuba | 42 |
| Cyprus | 37 |
| Czechia | 43 |
| Denmark | 42 |
| Djibouti | 27 |
| Dominica | |
| Dominican Republic | 28 |
| East Timor | 21 |
| Ecuador | 28 |
| Egypt | 25 |
| El Salvador | 28 |
| Equatorial Guinea | 22 |
| Eritrea | 19 |
| Estonia | 42 |
| Ethiopia | 19 |
| Falkland Islands | |
| Faroe Islands | |
| Fiji | 28 |
| Finland | 43 |
| France | 42 |
| French Guiana | 25 |
| French Polynesia | 34 |
| French Southern Territories | |
| Gabon | 23 |
| Gambia | 18 |
| Georgia | 38 |
| Germany | 46 |
| Ghana | 22 |
| Gibraltar | |
| Greece | 46 |
| Greenland | |
| Grenada | 32 |
| Guadeloupe | 44 |
| Guam | 31 |
| Guatemala | 23 |
| Guernsey | |
| Guinea | 18 |
| Guinea-Bissau | 19 |
| Guyana | 27 |
| Haiti | 24 |
| Heard Island and Mcdonald Islands | |
| Honduras | 24 |
| Hong Kong, Special Administrative Region | 45 |
| Hungary | 43 |
| Iceland | 37 |
| India | 28 |
| Indonesia | 30 |
| Iran | 32 |
| Iraq | 21 |
| Ireland | 38 |
| Isle of Man | |
| Israel | 30 |
| Italy | 47 |
| Ivory Coast | 19 |
| Jamaica | 31 |
| Japan | 48 |
| Jersey | |
| Jordan | 24 |
| Kazakhstan | 31 |
| Kenya | 20 |
| Kiribati | 23 |
| Kosovo | 31 |
| Kuwait | 37 |
| Kyrgyzstan | 26 |
| Laos | 24 |
| Latvia | 44 |
| Lebanon | 30 |
| Lesotho | 24 |
| Liberia | 19 |
| Libya | 29 |
| Liechtenstein | |
| Lithuania | 45 |
| Luxembourg | 40 |
| Macao, Special Administrative Region of | 39 |
| Madagascar | 20 |
| Malawi | 18 |
| Malaysia | 30 |
| Maldives | 30 |
| Mali | 16 |
| Malta | 43 |
| Marshall Islands | |
| Martinique | 47 |
| Mauritania | 20 |
| Mauritius | 37 |
| Mayotte | 20 |
| Mexico | 29 |
| Micronesia, Federated States of | 24 |
| Moldova | 38 |
| Monaco | 53 |
| Mongolia | 28 |
| Montenegro | 39 |
| Montserrat | |
| Morocco | 30 |
| Mozambique | 18 |
| Myanmar | 29 |
| Namibia | 22 |
| Nauru | |
| Nepal | 25 |
| Netherlands | 43 |
| New Caledonia | 34 |
| New Zealand | 38 |
| Nicaragua | 26 |
| Niger | 15 |
| Nigeria | 18 |
| Niue | |
| Norfolk Island | |
| North Korea | 35 |
| North Macedonia | 39 |
| Northern Mariana Islands | |
| Norway | 40 |
| Oman | 31 |
| Pakistan | 23 |
| Palau | |
| Palestine | 21 |
| Panama | 30 |
| Papua New Guinea | 22 |
| Paraguay | 26 |
| Peru | 31 |
| Philippines | 26 |
| Pitcairn Islands | |
| Poland | 42 |
| Portugal | 46 |
| Puerto Rico | 44 |
| Qatar | 32 |
| Reunion | 36 |
| Romania | 43 |
| Russian Federation | 40 |
| Rwanda | 20 |
| Saint Barthelemy | |
| Saint Helena | |
| Saint Kitts and Nevis | |
| Saint Lucia | 34 |
| Saint Pierre and Miquelon | |
| Saint Vincent and Grenadines | 33 |
| Saint-Martin (French part) | |
| Samoa | 22 |
| San Marino | |
| Sao Tome and Principe | 19 |
| Saudi Arabia | 32 |
| Senegal | 19 |
| Serbia | 42 |
| Seychelles | 34 |
| Sierra Leone | 19 |
| Singapore | 42 |
| Slovakia | 41 |
| Slovenia | 45 |
| Solomon Islands | 20 |
| Somalia | 17 |
| South Africa | 28 |
| South Georgia and the South Sandwich Isl | |
| South Korea | 44 |
| South Sudan | 19 |
| Spain | 45 |
| Sri Lanka | 34 |
| Sudan | 20 |
| Suriname | 29 |
| Svalbard and Jan Mayen Islands | |
| Swaziland | 21 |
| Sweden | 41 |
| Switzerland | 43 |
| Syria | 26 |
| Taiwan | 42 |
| Tajikistan | 22 |
| Tanzania | 18 |
| Thailand | 40 |
| Togo | 19 |
| Tokelau | |
| Tonga | 22 |
| Trinidad and Tobago | 36 |
| Tunisia | 33 |
| Turkey | 32 |
| Turkmenistan | 27 |
| Turks and Caicos Islands | |
| Tuvalu | |
| Uganda | 17 |
| Ukraine | 41 |
| United Arab Emirates | 33 |
| United Kingdom | 40 |
| United States Minor Outlying Islands | |
| United States of America | 38 |
| Uruguay | 36 |
| Uzbekistan | 28 |
| Vanuatu | 21 |
| Vatican | |
| Venezuela | 30 |
| Vietnam | 32 |
| Virgin Islands, US | 43 |
| Wallis and Futuna Islands | |
| Western Sahara | 28 |
| Yemen | 20 |
| Zambia | 18 |
| Zimbabwe | 19 |