
Members of the OAS:
Organization of American States
The OAS is an alliance of states that currently consists of 34 countries mainly located in the Caribbean and South America.
All member states comprise a total area of 40.10 million km² and about 1.01 billion people. This is 26.5 percent of the habitable area around the world and 13 percent of the world population. With an economic output of 30.342 trillion US dollars annually, they represent around 31.43 percent of the global economy. The value of all exported goods from these 34 countries was 4.724 trillion US dollars per year at last count.
Official website: https://www.oas.org/en/

Country | Commencement | Population | Area |
---|---|---|---|
Antigua and Barbuda | 1981 | 0.09 M | 440 km² |
Argentina | 1948 | 45.81 M | 2,780,000 km² |
Bahamas | 1982 | 0.41 M | 14,000 km² |
Barbados | 1967 | 0.28 M | 430 km² |
Belize | 1991 | 0.40 M | 23,000 km² |
Bolivia | 1948 | 12.08 M | 1,099,000 km² |
Brazil | 1948 | 214.33 M | 8,516,000 km² |
Canada | 1990 | 38.25 M | 9,985,000 km² |
Chile | 1948 | 19.49 M | 757,000 km² |
Colombia | 1948 | 51.52 M | 1,142,000 km² |
Costa Rica | 1948 | 5.15 M | 51,000 km² |
Cuba | 1948 | 11.26 M | 110,000 km² |
Dominica | 1979 | 0.07 M | 750 km² |
Dominican Republic | 1948 | 11.12 M | 49,000 km² |
Ecuador | 1948 | 17.80 M | 256,000 km² |
El Salvador | 1948 | 6.31 M | 21,000 km² |
Grenada | 1975 | 0.12 M | 340 km² |
Guatemala | 1948 | 17.11 M | 109,000 km² |
Guyana | 1991 | 0.80 M | 215,000 km² |
Haiti | 1948 | 11.45 M | 28,000 km² |
Honduras | 1948 | 10.28 M | 112,000 km² |
Jamaica | 1969 | 2.83 M | 11,000 km² |
Mexico | 1948 | 126.71 M | 1,964,000 km² |
Panama | 1948 | 4.35 M | 75,000 km² |
Paraguay | 1948 | 6.70 M | 407,000 km² |
Peru | 1948 | 33.72 M | 1,285,000 km² |
Saint Kitts and Nevis | 1984 | 0.05 M | 260 km² |
Saint Lucia | 1979 | 0.18 M | 620 km² |
Saint Vincent and the Grenadines | 1981 | 0.10 M | 390 km² |
Suriname | 1977 | 0.61 M | 164,000 km² |
Trinidad and Tobago | 1967 | 1.53 M | 5,130 km² |
United States | 1948 | 331.89 M | 9,832,000 km² |
Uruguay | 1948 | 3.43 M | 176,000 km² |
Venezuela | 1948 | 28.20 M | 912,000 km² |
Former member countries
Country | Exit | Population | Area |
---|---|---|---|
Nicaragua | 04/25/2022 | 6.85 M | 130,000 km² |
Dependent territories
Some of the above-mentioned member states have other external territories dependent on them. These are not independent states, but they do have some economic and political autonomy. The OAS treaties apply to them at least in part. These countries are not listed as official member states.Country | Region | Dependency |
---|---|---|
American Samoa | Polynesia | Self-governing territory of the USA |
Guam | Micronesia | Self-governing unincorporated territory of the United States |
Northern Marianas | Micronesia | Territory of the United States |
Outlying Islands | Micronesia | Territory of the United States |
Puerto Rico | Caribbean | Unincorporated territory of the US |
Virgin Islands | Caribbean | Self-governing territory of the USA |