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.
Demographics of Brazil
The caboclo or mestiço population, those whose ancestry is Native and European, revolves around 43 million people or 21% of the population. Genetic studies conducted by the geneticist Sergio D.J. Pena of the Federal University of Minas Gerais have shown that the caboclo population is made of individuals whose DNA ranges from 70% to 90% European (mostly Portuguese, Spanish, Dutch, French or Italian 1500s to 1700s male settlers) with the remaining percentage spanning different Indigenous markers. Similar DNA tests showed that people self-classified as mulatto or European and African mix, span from 62% to 83% European (mostly descendants of Portuguese, Dutch and French settlers during the colonial period in the Northeast). The pardo category in Brazil also includes 800 thousand gypsies or Roma people, most of them coming from Portugal but also different countries in Eastern Europe and the Baltics. Eurasians can also be classified as pardo. The majority of them consisting of Ainoko or Hafu, individuals of Japanese and European ancestry.