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.
São Gonçalo, Rio de Janeiro
São Gonçalo has a high index of population growth. The city has an estimated population of 1,049,826 (2017 estimate). According to the 2012 Census, the racial makeup of São Gonçalo includes: Whites (22.7%), Brown (54.1%), black or African (20.2%), two or more races (3%) and Asian (0.02%). Non-Brazilian population by any race was 3.5% (Paraguayan 2%, Bolivian 1%, Chinese 0.5%), a high index compared to cities in Brazil. According to the same Census, São Gonçalo has a high index of poverty. 31.5% of the population were living in the line of poverty in 2012, down from the 81% in 1990. People considered "Class A" were just 4.7%.