Demographics of Rio de Janeiro
Rio de Janeiro City is home to more than 6 million people, accounting for about 35% of the population of Rio de Janeiro State. Portuguese remains the most widely spoken language and Rio de Janeiro is the second city in the Portuguese speaking world.
Recife
The Recife metropolitan area is the 5th most populous of Brazil, after São Paulo, Rio de Janeiro, Belo Horizonte and Porto Alegre, and the first in the Northeast region. The most populous neighborhoods of Recife in 2008 were Boa Viagem (100,388), Casa Amarela (69,134), and Várzea (64,512).