How many people in Rio de Janeiro?

A population figure of 6,186,710 may be estimated for Rio de Janeiro, Brazil. The Brazilian Institute of Geography and Statistics [Instituto Brasileiro de Geografia e Estatistica, IBGE] is responsible for statistical information in Brazil. According to the IBGE's estimates for 2009, the population of Rio de Janeiro is 6,186,710. It's the second most populous city in Brazil. The IBGE estimated a population of 14,387,000 in 2008 for the Rio de Janeiro metropolitan area.