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.
Afro-Brazilians
, the Brazilian Metropolitan Area with the largest percentage of people reported as Black was Salvador, Bahia, with 1,869,550 Pardo people (53.8%) and 990,375 "pretos" (28.5%). The state of Bahia has also the largest percentage of "pardos" (62.9%) and "pretos" (15.7%). Other cities with significant Afro-Brazilian populations are Rio de Janeiro (where a 2013 study estimated that 31.1% of Rio de Janeiro's population is African-descended) and Belo Horizonte.