Organization of American States (OAS)

14 April 1890 as the International Union of American Republics; 30 April 1948 adopted present charter; effective - 13 December 1951

to promote regional peace and security as well as economic and social development

members - (35) Antigua and Barbuda, Argentina, The Bahamas, Barbados, Belize, Bolivia, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba (suspended), Dominica, Dominican Republic, Ecuador, El Salvador, Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Paraguay, Peru, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Suriname, Trinidad and Tobago, US, Uruguay, Venezuela

observers - (70) Albania, Algeria, Angola, Armenia, Austria, Azerbaijan, Belgium, Benin, Bosnia and Herzegovina, Bulgaria, China, Croatia, Cyprus, Czechia, Denmark, Egypt, Equatorial Guinea, Estonia, EU, Finland, France, Georgia, Germany, Ghana, Greece, Holy See, Hungary, Iceland, India, Ireland, Israel, Italy, Japan, Kazakhstan, South Korea, Latvia, Lebanon, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Montenegro, Morocco, Netherlands, Nigeria, North Macedonia,Norway, Pakistan, Philippines, Poland, Portugal, Qatar, Romania, Russia, Saudi Arabia, Serbia, Slovakia, Slovenia, Spain, Sri Lanka, Sweden, Switzerland, Thailand, Tunisia, Turkey, Ukraine, UK, Vanuatu, Yemen