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Family name 常田 (常田 , Tsuneda , Токида ) , around the world, is a rare cognomen. The last name 常田 is characteristic of Brazil, where it is a very rare surname, Kazakhstan, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in China, Brazil, and the United States. More prevalently, 常田 is the forename as well as the last name.