| Afghanistan | Rest of World |
| Albania | Middle Income |
| Algeria | Rest of World |
| American Samoa | High Income |
| Andorra | High Income |
| Angola | Rest of World |
| Antigua and Barbuda | High Income |
| Argentina | Middle Income |
| Armenia | Middle Income |
| Aruba | High Income |
| Australia | High Income |
| Austria | High Income |
| Azerbaijan | Middle Income |
| Bahamas, The | High Income |
| Bahrain | High Income |
| Bangladesh | Rest of World |
| Barbados | High Income |
| Belarus | Middle Income |
| Belgium | High Income |
| Belize | Middle Income |
| Benin | Rest of World |
| Bermuda | High Income |
| Bhutan | Rest of World |
| Bolivia | Rest of World |
| Bosnia and Herzegovina | Middle Income |
| Botswana | Middle Income |
| Brazil | Middle Income |
| British Virgin Islands | High Income |
| Brunei Darussalam | High Income |
| Bulgaria | Middle Income |
| Burkina Faso | Rest of World |
| Burundi | Rest of World |
| Cabo Verde | Rest of World |
| Cambodia | Rest of World |
| Cameroon | Rest of World |
| Canada | High Income |
| Cayman Islands | High Income |
| Central African Republic | Rest of World |
| Chad | Rest of World |
| Channel Islands | High Income |
| Chile | High Income |
| China | Middle Income |
| Colombia | Middle Income |
| Comoros | Rest of World |
| Congo, Dem. Rep. | Rest of World |
| Congo, Rep. | Rest of World |
| Costa Rica | Middle Income |
| Côte d’Ivoire | Rest of World |
| Croatia | High Income |
| Cuba | Middle Income |
| Curaçao | High Income |
| Cyprus | High Income |
| Czechia | High Income |
| Denmark | High Income |
| Djibouti | Rest of World |
| Dominica | Middle Income |
| Dominican Republic | Middle Income |
| Ecuador | Middle Income |
| Egypt, Arab Rep. | Rest of World |
| El Salvador | Middle Income |
| Equatorial Guinea | Middle Income |
| Eritrea | Rest of World |
| Estonia | High Income |
| Eswatini | Rest of World |
| Ethiopia | Rest of World |
| Faroe Islands | High Income |
| Fiji | Middle Income |
| Finland | High Income |
| France | High Income |
| French Polynesia | High Income |
| Gabon | Middle Income |
| Gambia, The | Rest of World |
| Georgia | Middle Income |
| Germany | High Income |
| Ghana | Rest of World |
| Gibraltar | High Income |
| Greece | High Income |
| Greenland | High Income |
| Grenada | Middle Income |
| Guam | High Income |
| Guatemala | Middle Income |
| Guinea | Rest of World |
| Guinea-Bissau | Rest of World |
| Guyana | High Income |
| Haiti | Rest of World |
| Honduras | Rest of World |
| Hong Kong SAR, China | High Income |
| Hungary | High Income |
| Iceland | High Income |
| India | Rest of World |
| Indonesia | Middle Income |
| Iran, Islamic Rep. | Rest of World |
| Iraq | Middle Income |
| Ireland | High Income |
| Isle of Man | High Income |
| Israel | High Income |
| Italy | High Income |
| Jamaica | Middle Income |
| Japan | High Income |
| Jordan | Rest of World |
| Kazakhstan | Middle Income |
| Kenya | Rest of World |
| Kiribati | Rest of World |
| Korea, Dem. People's Rep. | Rest of World |
| Korea, Rep. | High Income |
| Kosovo | Middle Income |
| Kuwait | High Income |
| Kyrgyz Republic | Rest of World |
| Lao PDR | Rest of World |
| Latvia | High Income |
| Lebanon | Rest of World |
| Lesotho | Rest of World |
| Liberia | Rest of World |
| Libya | Middle Income |
| Liechtenstein | High Income |
| Lithuania | High Income |
| Luxembourg | High Income |
| Macao SAR, China | High Income |
| Madagascar | Rest of World |
| Malawi | Rest of World |
| Malaysia | Middle Income |
| Maldives | Middle Income |
| Mali | Rest of World |
| Malta | High Income |
| Marshall Islands | Middle Income |
| Mauritania | Rest of World |
| Mauritius | Middle Income |
| Mexico | Middle Income |
| Micronesia, Fed. Sts. | Rest of World |
| Moldova | Middle Income |
| Monaco | High Income |
| Mongolia | Rest of World |
| Montenegro | Middle Income |
| Morocco | Rest of World |
| Mozambique | Rest of World |
| Myanmar | Rest of World |
| Namibia | Middle Income |
| Nauru | High Income |
| Nepal | Rest of World |
| Netherlands | High Income |
| New Caledonia | High Income |
| New Zealand | High Income |
| Nicaragua | Rest of World |
| Niger | Rest of World |
| Nigeria | Rest of World |
| North Macedonia | Middle Income |
| Northern Mariana Islands | High Income |
| Norway | High Income |
| Oman | High Income |
| Pakistan | Rest of World |
| Palau | Middle Income |
| Panama | High Income |
| Papua New Guinea | Rest of World |
| Paraguay | Middle Income |
| Peru | Middle Income |
| Philippines | Rest of World |
| Poland | High Income |
| Portugal | High Income |
| Puerto Rico | High Income |
| Qatar | High Income |
| Romania | High Income |
| Russian Federation | Middle Income |
| Rwanda | Rest of World |
| Samoa | Rest of World |
| San Marino | High Income |
| São Tomé and Príncipe | Rest of World |
| Saudi Arabia | High Income |
| Senegal | Rest of World |
| Serbia | Middle Income |
| Seychelles | High Income |
| Sierra Leone | Rest of World |
| Singapore | High Income |
| Sint Maarten (Dutch part) | High Income |
| Slovak Republic | High Income |
| Slovenia | High Income |
| Solomon Islands | Rest of World |
| Somalia | Rest of World |
| South Africa | Middle Income |
| South Sudan | Rest of World |
| Spain | High Income |
| Sri Lanka | Rest of World |
| St. Kitts and Nevis | High Income |
| St. Lucia | Middle Income |
| St. Martin (French part) | High Income |
| St. Vincent and the Grenadines | Middle Income |
| Sudan | Rest of World |
| Suriname | Middle Income |
| Sweden | High Income |
| Switzerland | High Income |
| Syrian Arab Republic | Rest of World |
| Taiwan, China | High Income |
| Tajikistan | Rest of World |
| Tanzania | Rest of World |
| Thailand | Middle Income |
| Timor-Leste | Rest of World |
| Togo | Rest of World |
| Tonga | Middle Income |
| Trinidad and Tobago | High Income |
| Tunisia | Rest of World |
| Türkiye | Middle Income |
| Turkmenistan | Middle Income |
| Turks and Caicos Islands | High Income |
| Tuvalu | Middle Income |
| Uganda | Rest of World |
| Ukraine | Rest of World |
| United Arab Emirates | High Income |
| United Kingdom | High Income |
| United States | High Income |
| Uruguay | High Income |
| Uzbekistan | Rest of World |
| Vanuatu | Rest of World |
| Venezuela, RB | Middle Income |
| Vietnam | Rest of World |
| Virgin Islands (U.S.) | High Income |
| West Bank and Gaza | Middle Income |
| Yemen, Rep. | Rest of World |
| Zambia | Rest of World |
| Zimbabwe | Rest of World |
The SSIEM apologises but if you are from Cuba, Iran, North Korea, Sudan, Syria or the Crimea region you will need to contact the administration team via the online contact form.