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Across the world, 昭久 (Akihisa , 昭久) is a rare principally male, but scarcely girly first name. The forename 昭久 is characteristic of Japan, where it is a rare boy's name, Indonesia, where it is a very rare male name, and Brazil, where it is an extremely rare female name. Measured by absolute frequency, the name is most common in Japan, Indonesia, and China. Likewise, 昭久 is the last name as well as the forename.