What is the biggest Latin American country?

Brazil is the biggest, with an area of 8,514,877 square kilometers (3,287,612 sq mi). It is followed by Argentina with 2,780,400 square kilometers (1,073,500 sq mi) and Mexico with 1,964,375 square kilometers (758,449).

For comparison purposes, Brazil is slightly smaller than the US, Argentina is 30% the size of the US and Mexico is a bit larger than Alaska.