International Membership Tiers

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