Table of Countries and Regions by Category

Residents of countries listed in B or C are eligible for the
Special International Member rate.

Source: For operational and analytical purposes, the World Bank’s main criterion for classifying economies is gross national income (GNI) per capita.  http://data.worldbank.org/indicator/NY.GNP.PCAP.CD

Category A - NOT eligible for Special International Membership

Andorra Cayman Islands Greenland Luxembourg Singapore
Antigua & Barbuda Channel Islands Guam
Malta Slovakia
Antilles Cyprus
Hong Kong Monaco Slovenia
Aruba Czech Rep. Hungary Netherlands Spain
Australia Denmark Iceland New Caledonia Sweden
Austria Ecuatorial Guinea
Ireland New Zealand
Switzerland
Bahamas Estonia Isle of Man Norway Taiwan
Bahrain
Faeroe Islands Israel Oman Trinidad and Tobago
Barbados Finland Italy Portugal United Arab Emirates
Belgium France Japan Puerto Rico  United Kingdom
Bermuda French Polynesia Korea Qatar  United States
Brunei Germany Kuwait San Marino  Virgin Islands
Canada Greece Liechtenstein Saudi Arabia  
 

Category B - eligible for Special International Membership

American Samoa Costa Rica Lebanon Palau Serbia
Argentina Croatia Libya Panama Seychelles
Belarus
Dominica Lithuania Poland South Africa
Belize Gabon
Malaysia Romania Turkey
Botswana Grenada Mauritius Russia Uruguay
Brazil Jamaica Mayotte St. Kitts and Nevis Venezuela
Bulgaria Kazakhstan Mexico St. Lucia  
Chile Latvia Montenegro St. Vincent & Grenad.  
 

Category C - eligible for Special International Membership

Afghanistan Cuba Ivory Coast Namibia Tajikistan
Albania Djibouti Jordan Nepal Tanzania
Algeria Dominican Rep. Kenya Nicaragua Thailand
Angola Ecuador Kiribati Niger Timor - Leste
Armenia Egypt Kyrgyzstan Nigeria Togo
Azerbaijan El Salvador Lao Pakistan Tonga
Bangladesh Eritrea Lesotho Papua New Guinea Tunisia
Benin Ethiopia Liberia Paraguay Turkmenistan
Bhutan Fiji Macedonia Peru Uganda
Bolivia Gambia Madagascar Philippines Ukraine
Bosnia-Herzegovina Georgia Malawi Rwanda Uzbekistan
Burkina Faso Ghana Maldives Samoa Vanuatu
Burundi Guatemala Mali St. Tome & Principe Vietnam
Cambodia Guinea-Bissau Marshall Islands Senegal West Bank & Gaza
Cameroon Guinea Rep. Mauritania Sierra Leone Yemen
Cape Verde Guyana Micronesia Solomon Islands Zambia
Central African Rep Haiti Moldova Somalia Zimbabwe
Chad Honduras Mongolia Sri Lanka  
China India Montenegro Sudan  
Colombia Indonesia Morocco Suriname  
Comoros Irak Mozambique Swaziland  
Congo Iran Myanmar Syria