Brazilian Census 2010: Favela population
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Brazil had 6,329 subnormal agglomerates in 2010 (aka Favelas), invaded properties, grotas (type of cave), slums in glens, poor communities, shanty towns, slums in backwaters, mocambos (type of shack) and stilt houses, among others – in 323 of the 5,565 municipalities. They concentrated 6.0% of the Brazilian population (11,425,644 inhabitants), distributed in 3,224,529 occupied private households (5.6% of the total). Twenty metropolitan areas concentrated 88.6% of these subnormal households, and almost half of them (49.8%) were located in the Southeast Region."