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Throughout the world, Nainai (奶奶 , Nainai
) is a rare unisex given name. The forename Nainai is characteristic of Tanzania, where it is a very rare boy's name, China, where it is a very rare epicene name, and Nigeria, where it is an extremely rare feminine name. Not in comparison with a country's population, it is commonest in China, India, and Tanzania. Very seldom, Nainai is the last name as well as the forename.