Brazil is South America's leading economy and most populous nation. According to the October 2018 World Economic Outlook Database from the International Monetary Fund, Brazil's GDP was just over $3.524 trillion, with a population of over 212 million. Brazil is the sixth most populous nation in the world, behind Pakistan and ahead of Nigeria.
The second leading nation in South America is Argentina, with over 45 million, number 32 in the world, and a GDP at just below the $1 trillion level. Brazil and Argentina share a border, and both are significant commodity-producing nations. The