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Globally, Kaile (凯乐 , Kaile , 开乐 ) is quite a rare unisex forename. The first name Kaile is characteristic of China, where it is a rare unisex name, the United States, where it is a very rare dominantly girly, but infrequently masculine name, and Nigeria, where it is a very rare epicene name. In absolute terms, it is the most numerous in China, India, and the United States. Much less frequently, Kaile is the last name as well as the forename.