Machine translation of the Portuguese Wikipedia article (November 2026 version).
Niterói (Tupi: Nheterõîa, “that which is winding”) is a Brazilian municipality in the Metropolitan Region of Rio de Janeiro, in the state of Rio de Janeiro. It was the state capital, as indicated by its golden mural crown, reserved exclusively for capitals, between 1834–1894 and again between 1903–1975. With an estimated population of 481,749 inhabitants according to 2022 data from the Brazilian Institute of Geography and Statistics (IBGE), and an area of 133.757 km², it has the highest Municipal Human Development Index (IDHM) in Rio de Janeiro and the seventh highest among Brazilian municipalities in 2010. Individually, it has the second highest average monthly per capita household income in Brazil and ranks 13th among the country's municipalities according to social indicators related to education.
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