An account with Bilderlings can be opened by citizens of many countries, excluding nationals of the following countries:
Afghanistan
American Samoa
Barbados
Botswana
Burundi
Cambodia
Cuba
Central African Republic
Democratic Republic of the Congo
Democratic People's Republic of Korea (DPRK) or North Korea
Fiji
Guam
Iran
Iraq
Lebanon
Libya
Mali
Myanmar (Burma)
Nicaragua
Pakistan
Palau
Palestine
Samoa
Somalia
South Sudan
Sudan
Syria
Crimea Region (Russia/Ukraine)
Trinidad and Tobago
Uganda
Venezuela
Yemen
Zimbabwe