Brasilien er med sine 190 millioner indbyggere og en økonomi, der udgør ca. 75 % af Mercosurs BNP, indtil nu det eneste BRIK-land, som Unionen ikke har afholdt et topmøde med.
With its 190 million inhabitants and an economy representing approximately 75% of Mercosur's GDP, Brazil is the only BRIC country with which the Union had not held a summit until now.