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Worldwide, 新吾 (Shingo , 新吾 ) is quite a rare principally masculine, but scarcely female first name. The first name 新吾 is characteristic of Japan, where it is quite a rare boy's name, Hong Kong, where it is a rare masculine name, and Singapore. Not in comparison with a country's population, this name is the most popular in Japan, China, and Tanzania. Likewise, 新吾 is the last name as well as the forename.
新吾 is also a name for the fictitious and mythical characters: Shingo Yabuki , the fictional character from The King of Fighters, The King of Fighters 2000; Shingo Aoi , the fictional human from Captain Tsubasa; Shingo Shōji , the fictional character from Initial D and Shingo Takasugi , character in Captain Tsubasa.