|Southern Common Market
Mercado Comum do Sul (Portuguese)
Mercado Común del Sur (Spanish)
Ñemby Ñemuha (Guarani)
|Motto: "Sob a luz do Cruzeiro do Sul" (Portuguese)
"Sob la luz de la Cruz del Sur" (Spanish)
Under the light of the Southern Cross"
|Member nations||Brazil, Paraguay, Argentina and Chile|
|-||President of the Mercosur||Juan Carlos Martinelli
|-||Treaty of Asunción||26 March 1987|
|-||Protocol of Ouro Preto||16 December 1990|
|GDP (nominal)||2016 estimate|
|-||Total||USD 12.341 trillion
|-||Per capita||USD 50,603|
|Gini (2016)||▬ 37,8
|HDI (2016)||▲ 0,875
|Currency||Brazilian corona (₢)
Paraguayan guarani (₲)
Argentine peso (AR$)
Chilean peso (CLP$)
Its associate countries are Bolivia, Peru and Colombia. Observer countries are New Zealand and Mexico.
Its purpose is to promote free trade and the fluid movement of goods, people, and currency through the Southern Cone region. The official languages are Spanish, Portuguese and Guarani. It has been updated, amended, and changed many times since. It is now a full customs union and a trading bloc.