Member states of the Organization of American States


All 35 independent nations of the Americas are member states of the Organization of American States.

Member States

When formed on 5 May 1948 there were 21 members of the OAS. The organization's membership expanded as other nations in the Americas gained full political independence as sovereign states.
NationCapitalYear
joined		GDP
$Million		GDP
per capita		HDI
2018 est.
for 2017		CurrencyOfficial
languages
St. John's19811.78$20,9770.780Eastern Caribbean dollarEnglish
Buenos Aires1948716$18,6000.825Argentine pesoSpanish
Nassau198211.8$23,1020.807Bahamian dollarEnglish
Bridgetown19677.169$15,5660.800Barbadian dollarEnglish
Belmopan19912.38$8,4420.708Belizean dollarEnglish
Sucre194855.4$6,1300.693Bolivian bolivianoSpanish
Brasília19483,012$15,0340.759Brazilian realPortuguese
Ottawa19901,519$43,2070.926Canadian dollarEnglish and French
Santiago1948386$21,9110.843Chilean pesoSpanish
Bogota1948598$12,3710.747Colombian pesoSpanish
San José194864$13,8720.794Costa Rican colónSpanish
Havana1948212$18,7960.777Cuban pesoSpanish
Roseau19790.91$10,0300.715East Caribbean dollarEnglish
Santo Domingo1948200$19,2910.736Dominican pesoSpanish
Quito1948165$10,4690.752United States dollarSpanish
San Salvador194845$7,7620.674United States dollarSpanish
St. George's19751.142$11,4980.772East Caribbean dollarEnglish
Guatemala City1948113$7,2950.650Guatemalan quetzalSpanish
Georgetown19912.70$6,5510.654Guyanese dollarEnglish
Port-au-Prince194813$1,7030.498Haitian gourdeFrench
Tegucigalpa194833$4,5910.617Honduran lempiraSpanish
Kingston196921$8,8900.732Jamaican dollarEnglish
Mexico City19482,014$16,4630.774Mexican pesoSpanish
Managua194824.39$4,5710.658Nicaraguan córdobaSpanish
Panama City194864$19,4110.789United States dollarSpanish
Asuncion194841$8,0430.702Paraguayan guaraníSpanish
Lima1948358$11,7750.750Peruvian nuevo solSpanish
Basseterre19840.97$20,9290.778East Caribbean dollarEnglish
Castries19792.02$10,5600.747East Caribbean dollarEnglish
Kingstown19811.20$10,6630.723East Caribbean dollarEnglish
Paramaribo19774.7$16,2260.720Surinamese dollarDutch
Port of Spain196735.6$30,4390.784Trinidad and Tobago dollarEnglish
Washington D.C.194816,800$53,1430.924United States dollarEnglish, See Languages of the United States
Montevideo194862$19,5900.804Uruguayan pesoSpanish
Caracas1948553$18,1940.761Venezuelan bolívarSpanish

Non-members

The following jurisdictions are not members of the OAS as each is a dependent territory of another nation. They are grouped under the nation that has sovereignty over them.


















Disputed with Argentina


Disputed with Argentina



Disputed with Haiti

Observers