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.
Ricardo Rio
Ricardo Bruno Antunes Machado Rio (Braga, 21 November 1972) is a Portuguese economist and politician, currently serving as mayor of Braga, Portugal, the third largest city in the country and one of the oldest in the world.