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Family name ヤスタカ (Yasutaka , ヤスタカ ) , around the world, is a common last name. The cognomen ヤスタカ is characteristic of Japan, where it is quite a common surname, Taiwan, where it is a rare surname, and Indonesia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Eastern Asia, particularly Japan, China, and Taiwan. Very seldom, ヤスタカ is the forename as well as the last name.