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.
Immigration to Brazil
While in São Paulo the Italians predominated, in the city of Rio de Janeiro the Portuguese remained as the main group. In 1929, as many as 272,338 Portuguese immigrants were recorded in the Federal District of Brazil (nowadays the city of Rio de Janeiro), more Portuguese born people than any other city in the world, except for Lisbon (which had 591,939 inhabitants in 1930).