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.
São Paulo (state)
With more than 45 million inhabitants in 2017, São Paulo is the most populous Brazilian state, the most populous national subdivision in the Americas, and the third most populous political unit of South America, surpassed only by the rest of the Brazilian Federation and Colombia. The local population is one of the most diverse in the country and descended mostly from Italians, who began immigrating to the country in the late 19th century; of the Portuguese, who colonized Brazil and installed the first European settlements in the region; indigenous peoples, a large number of distinct ethnic groups; Africans, who were brought from Africa as slaves in the colonial era and migrants from other regions of the country. In addition, Arabs, Germans, Spanish, Japanese, Chinese, and Greeks also are present in the ethnic composition of the local population.