Original sentence: According to the current statistics, the São Paulo metropolitan area is ranked as the first most populous in the Americas.São Paulo () is the largest city in Brazil, and is on the world's biggest metropolitan areas.The city also lies at the center of the heavily urbanized São Paulo metropolitan area, which, with an estimated 22,105,060 people in 2008 over , is the largest metropolitan area in the nation
Edited sentence: Depending on which definition is used, the São Paulo metropolitan area is ranked as either the first or second most populous in the Americas.São Paulo () is the largest city in Brazil, and is the world's 7th largest metropolitan area.The city also lies at the center of the heavily urbanized São Paulo metropolitan area, which, with an estimated 21,616,060 people in 2008 over , is the largest metropolitan area in the nation