Rio de Janeiro
Rio has more people living in slums than any other city in Brazil, according to the 2010 Census. More than 1,500,000 people live in its 763 favelas, 22% of Rio's total population. São Paulo, the largest city in Brazil, has more favelas (1,020) in sheer numbers, but proportionally has fewer people living in favelas than Rio.
Rio de Janeiro
The population of the city of Rio de Janeiro, occupying an area of , is about 6,000,000. The population of the greater metropolitan area is estimated at 11–13.5 million. Residents of the city are known as "cariocas". The official song of Rio is "Cidade Maravilhosa", by composer André Filho.