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.
Goiânia
Goiânia (; ) is the capital and largest city of the Brazilian state of Goiás. With a population of 1,466,105, it is the second-largest city in the Central-Western Region and the 11th-largest in the country. Its metropolitan area has a population of 2,527,092, making it the 11th-largest in Brazil. With an area of approximately , it has a continuous geography with few hills and lowlands, with flat lands in most of its territory, especially the Meia Ponte River, in addition to Botafogo and Capim Puba streams.