Southern Cone Common Market (Mercosur) or Southern Common Market

note - also known as Mercado Comun del Sur (Mercosur - Spanish); Mercado Comum Sol (Mercosol - Portuguese)

26 March 1991

to increase regional economic cooperation

members - (4) Argentina, Brazil, Paraguay, Uruguay; note - Venezuela was suspended

associate members - (7) Bolivia, Chile, Colombia, Ecuador, Guyana, Peru, Suriname

observers - (2) New Zealand, Mexico