Across the world, 希希 (希希 
, Xixi 
, Chihi 
) is quite a common gender-neutral forename. The forename 希希 is habitual in Tunisia, where it is quite a rare epicene name, Hong Kong, where it is a rare female name, and China, where it is a rare dominantly female, but seldom male name. Not in comparison with a country's population, it most frequently occurs in China, Tunisia, and Indonesia. Also, 希希 is the last name as well as the forename.