International Membership Tiers

Tier 1 Tier 2 Tier 3 Tier 4
American Samoa Albania Angola Afghanistan
Andorra Algeria Bangladesh Burkina Faso
Antigua and Barbuda Argentina Benin Burundi
Aruba Armenia Bhutan Central African Republic
Australia Azerbaijan Bolivia Chad
Austria Belarus Cambodia Congo Dem Rep
Bahamas, The Belize Cameroon Eritrea
Bahrain Bosnia and Herzegovina Comoros Ethiopia
Barbados Botswana Congo Rep Gambia
Belgium Brazil Côte d’Ivoire Guinea-Bissau
Bermuda Cabo Verde Djibouti Korea Dem People’s Rep
British Virgin Islands China Egypt, Arab Rep Liberia
Brunei Darussalem Colombia Eswatini Madagascar
Bulgaria Cuba Ghana Malawi
Cayman Islands Dominica Guinea Mali
Channel Islands Dominican Republic Haiti Mozambique
Chile Ecuador Honduras Niger
Costa Rica El Salvador India Rwanda
Croatia Equatorial Guinea Kenya Sierra Leone
Curacao Fiji Kiribati Somalia, Federal Republic of
Cyprus Gabon Kyrgyz Republic South Sudan
Czechia Georgia Lao PDR Sudan
Denmark Grenada Lebanon Syrian Arab Republic
Estonia Guatemala Lesotho Uganda
Faeroe Islands Indonesia Mauritania Yemen
Finland Iran, Islamic Rep. Morocco
France Iraq Myanmar
French Polynesia Jamaica Namibia
Germany Jordan Nepal
Gibraltar Kazakhstan Nicaragua
Greece Kosovo Nigeria
Greenland Libya Pakistan
Guam Malaysia Papua New Guinea
Guyana Maldives São Tomé and Principe
Hong Kong SAR, China Marshall Islands Senegal
Hungary Mauritius Solomon Islands
Iceland Mexico Tajikistan
Ireland Micronesia, Fed. Sts. Tanzania
Isle of Man Moldova Timor-Leste
Israel Mongolia Togo
Italy Montenegro Tunisia
Japan North Macedonia Uzbekistan
Korea, Rep. Paraguay Vanuatu
Kuwait Peru Venezuela
Latvia Philippines West Bank and Gaza
Liechtenstein Samoa Zambia
Lithuania Serbia Zimbabwe
Luxembourg South Africa
Macao SAR, China Sri Lanka
Malta St. Lucia
Monaco St. Vincent and the Grenadines
Naoero Suriname
Netherlands Thailand
New Caledonia Tonga
New Zealand Turkey
Northern Mariana Islands Turkmenistan
Norway Tuvalu
Oman Ukraine
Palau Vietnam
Panama
Poland
Portugal
Qatar
Romania
Russian Federation
San Marino
Saudi Arabia
Seychelles
Singapore
Sint Maarten
Slovak Republic
Slovenia
Spain
St. Kitts and Nevis
St. Martin
Sweden
Switzerland
Taiwan, China
Trinidad and Tobago
Turks and Caicos Islands
United Arab Emirates
United Kingdom
Uruguay
Virgin Islands (U.S.)