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Around the world, こうへい (Kohei , こうへい, Kōhei) is quite a rare boy's first name. The forename こうへい is characteristic of Japan, where it is quite a rare masculine name, Australia, where it is a rare male name, and the United States, where it is a very rare principally male, but very seldom female name. Not in comparison with a country's population, it is the most numerous in Japan, China, and the United States. Also, こうへい is the last name as well as the forename.