Members of the Mercosur - Mercado Común del Sur
The Mercosur is a trade agreement of currently 4 countries in South America.
All member states comprise a total area of 11.88 million km² and about 266.49 million people. This is 7.9% of the habitable area around the world and 3.5% of the world population. With an economic output of 2,379.39 bn US dollars annually, they represent around 3 percent of the global economy.