Irajá is a neighborhood of middle class and lower middle in the North Zone of Rio de Janeiro, Brazil. The neighborhood is divided by Brazil Avenue. Today it is a neighborhood of medium size, with a little more than 200,000 inhabitants. It borders the neighborhoods of Brás de Pina, Vila da Penha, Vicente de Carvalho, Vaz Lobo, Turiaçu, Rocha Miranda, Colégio, C…Irajá is a neighborhood of middle class and lower middle in the North Zone of Rio de Janeiro, Brazil. The neighborhood is divided by Brazil Avenue. Today it is a neighborhood of medium size, with a little more than 200,000 inhabitants. It borders the neighborhoods of Brás de Pina, Vila da Penha, Vicente de Carvalho, Vaz Lobo, Turiaçu, Rocha Miranda, Colégio, Coelho Neto, Acari, Pavuna, Parque Colúmbia, Jardim América, Vigário Geral, Parada de Lucas, Cordovil and Vista Alegre. Its human development index, in the year 2000, was 0.798, the 95th best in the city of Rio de Janeiro.