33 out of 35 sovereign states of the Americas are member states of the Organization of American States (OAS); Cuba and Nicaragua are the only exceptions, although they are both former member states. [1]
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.
| Country | Capital | Year joined | GDP (PPP) (million USD) | GDP (PPP) per capita (2020) [2] | HDI (2018 est. for 2017) [3] | Currency | Official or national language |
|---|---|---|---|---|---|---|---|
| Cuba [Note 3] | Havana | 1948 | 212 | No data | 0.777 | Cuban peso | Spanish |
| Nicaragua [Note 4] | Managua | 1948 | 24.39 | $5,569 | 0.658 | Nicaraguan córdoba | Spanish |
The following jurisdictions are not members of the OAS as each is a dependent territory or overseas territory of another sovereign state. They are grouped under the parent state which has sovereignty over them.
The observer states are: [13]