WITSA Vice Chairmen: Regions
Note: The country listings below reflect socio-political as well as geographic classifications and are tabled as such exclusively delineate areas of responsibilities among WITSA Regional Vice Chairmen.
Europe: EU/EEA
| Country | Membership Status |
| Austria | N/A |
| Belgium | N/A |
| Bulgaria | Associate |
| Croatia | N/A |
| Cyprus | Associate |
| Czechia | N/A |
| Denmark | N/A |
| Estonia | N/A |
| Finland | Associate |
| France | Associate |
| Germany | N/A |
| Greece | Member |
| Hungary | N/A |
| Ireland | N/A |
| Italy | N/A |
| Latvia | N/A |
| Lithuania | Associate |
| Luxembourg | N/A |
| Malta | N/A |
| Netherlands | Associate |
| Poland | N/A |
| Portugal | Associate |
| Romania | Member |
| Slovakia | N/A |
| Slovenia | N/A |
| Spain | Member |
| Sweden | N/A |
| Iceland (EEA) | N/A |
| Lichtenstein (EEA) | N/A |
| Norway (EEA) | N/A |
WITSA Regions – Europe: Non-EU/EEA
| Country | Membership Status |
| Albania | Associate |
| Armenia | Member |
| Azerbaijan | N/A |
| Belarus | Member |
| Bosnia & Herzegovina | N/A |
| Faroe Islands | N/A |
| Georgia | N/A |
| Greenland | N/A |
| Israel | N/A |
| Kazakhstan | Associate |
| Kosovo | Associate |
| Kyrgyzstan | N/A |
| Moldova | Associate |
| Monaco | N/A |
| Montenegro | N/A |
| Republic of North Macedonia | Member |
| Russia | Member |
| Serbia | Associate |
| Switzerland | N/A |
| Tajikistan | N/A |
| Turkey | Associate |
| Turkmenistan | N/A |
| Ukraine | Member |
| United Kingdom | Member |
| Uzbekistan | N/A |
Not listed due to small population/size: Andorra, San Marino
Middle East/North Africa (MENA)
| Country | Membership Status |
| Afghanistan | Associate |
| Algeria | Associate |
| Bahrain | N/A |
| Egypt | Member |
| Iran | N/A |
| Iraq | N/A |
| Jordan | Member |
| Kuwait | N/A |
| Lebanon | Associate |
| Libya | N/A |
| Mauritania | N/A |
| Morocco | Associate |
| Oman | N/A |
| Pakistan | Associate |
| Palestine | Associate |
| Qatar | N/A |
| Saudi Arabia | N/A |
| Sudan | N/A |
| Syria | Associate |
| Tunisia | Associate |
| Turkmenistan | N/A |
| United Arab Emirates | N/A |
| Western Sahara | N/A |
| Yemen | N/A |
Africa
| Country | Membership Status | |
| Benin | West Africa | N/A |
| Burkina Faso | West Africa | N/A |
| Cape Verde | West Africa | N/A |
| Côte d’Ivoire (Ivory Coast) | West Africa | N/A |
| Gambia, The | West Africa | Associate |
| Ghana | West Africa | N/A |
| Guinea | West Africa | N/A |
| Guinea-Bissau | West Africa | N/A |
| Liberia | West Africa | N/A |
| Mali | West Africa | N/A |
| Mauritania | West Africa | N/A |
| Niger | West Africa | N/A |
| Nigeria | West Africa | Member |
| Saint Helena (UK) | West Africa | N/A |
| Senegal | West Africa | Associate |
| Sierra Leone | West Africa | N/A |
| Togo | West Africa | N/A |
| Angola | Central Africa | N/A |
| Cameroon | Central Africa | N/A |
| Central African Republic | Central Africa | N/A |
| Chad | Central Africa | N/A |
| Congo, Rep. (Brazzaville) | Central Africa | N/A |
| Congo, Dem. Rep. (Kinshasa) | Central Africa | N/A |
| Equatorial Guinea | Central Africa | N/A |
| Gabon | Central Africa | N/A |
| São Tomé & Príncipe | Central Africa | N/A |
| Burundi | East Africa | N/A |
| Comoros | East Africa | N/A |
| Djibouti | East Africa | N/A |
| Eritrea | East Africa | N/A |
| Ethiopia | East Africa | N/A |
| Kenya | East Africa | Member |
| Madagascar | East Africa | N/A |
| Malawi | East Africa | N/A |
| Mauritius | East Africa | N/A |
| Mozambique | East Africa | N/A |
| Réunion (France) | East Africa | N/A |
| Rwanda | East Africa | N/A |
| Seychelles | East Africa | N/A |
| Somalia and Somaliland | East Africa | N/A |
| South Sudan | East Africa | N/A |
| Tanzania | East Africa | N/A |
| Uganda | East Africa | N/A |
| Zambia | East Africa | N/A |
| Zimbabwe | East Africa | Associate |
| Botswana | Southern Africa | N/A |
| Lesotho | Southern Africa | N/A |
| Namibia | Southern Africa | Associate |
| South Africa | Southern Africa | Associate |
| Swaziland | Southern Africa | N/A |
Asia-Pacific
| Country | Membership Status |
| American Samoa | N/A |
| Australia | Associate |
| Bangladesh | Member |
| Brunei Darussalam | N/A |
| Bhutan | N/A |
| Cocos (Keeling) Islands | N/A |
| Cook Islands | N/A |
| China | N/A |
| Christmas Island | N/A |
| Fiji | N/A |
| Micronesia, Federated States of | N/A |
| Guam | N/A |
| Hong Kong | Member |
| Heard Island and McDonald Islands | N/A |
| Indonesia | Member |
| India | Associate |
| Japan | Member |
| Cambodia | N/A |
| Kiribati | N/A |
| Korea, Democratic People’s Republic of | N/A |
| Korea, Republic of | Member |
| Lao People’s Democratic Republic | Associate |
| Sri Lanka | Member |
| Marshall Islands | N/A |
| Myanmar | Member |
| Mongolia | Associate |
| Macau | N/A |
| Northern Mariana Islands | N/A |
| Maldives | N/A |
| Malaysia | Member |
| New Caledonia | N/A |
| Norfolk Island | N/A |
| Nepal | Member |
| Nauru | N/A |
| Niue | N/A |
| New Zealand | Associate |
| French Polynesia | N/A |
| Papua New Guinea | N/A |
| Philippines | Member |
| Pitcairn Islands | N/A |
| Palau | N/A |
| Reunion | N/A |
| Solomon Islands | N/A |
| Singapore | Member |
| Thailand | N/A |
| Tokelau | N/A |
| Tonga | N/A |
| Timor-Leste (East Timor) | N/A |
| Tuvalu | N/A |
| Taiwan | Member |
| Vietnam | Associate |
| Vanuatu | N/A |
| Wallis and Futuna | N/A |
| Samoa | N/A |
North America
| Country | Membership Status |
| Canada | Member |
| Mexico | Member |
| United States | Associate |
Latin America
| Country | Membership Status | |
| Belize | Central America | N/A |
| Costa Rica | Central America | Member |
| El Salvador | Central America | Associate |
| Guatemala | Central America | Associate |
| Honduras | Central America | N/A |
| Nicaragua | Central America | N/A |
| Panama | Central America | Associate |
| Argentina | South America | Member |
| Bolivia | South America | N/A |
| Brazil | South America | Member |
| Chile | South America | Associate |
| Colombia | South America | Member |
| Ecuador | South America | Associate |
| French Guiana | South America | N/A |
| Guyana | South America | N/A |
| Paraguay | South America | Associate |
| Peru | South America | N/A |
| Suriname | South America | N/A |
| Uruguay | South America | N/A |
| Venezuela | South America | Associate |
Caribbean
| Country | Membership Status |
| Anguilla | N/A |
| Antigua and Barbuda | N/A |
| Aruba | N/A |
| Bahamas | N/A |
| Barbados | Associate |
| Belize | N/A |
| Bermuda | Member |
| British Virgin Islands | N/A |
| Caribbean Netherlands | N/A |
| Cayman Islands | N/A |
| Cuba | N/A |
| Curaçao (Netherlands Antilles) | Associate |
| Dominica | N/A |
| Dominican Republic | N/A |
| Haiti | Associate |
| Grenada | N/A |
| Guadeloupe | N/A |
| Jamaica | N/A |
| Martinique | N/A |
| Montserrat | N/A |
| Puerto Rico | N/A |
| Saint-Barthélemy | N/A |
| Saint Lucia | N/A |
| Saint Kitts and Nevis | N/A |
| Saint-Martin | N/A |
| Saint Vincent and the Grenadines | N/A |
| Trinidad and Tobago | Associate |
| Turks and Caicos Islands | N/A |
| United States Virgin Islands | N/A |