In the entire world, Nijia (妮佳 
, Nijia 
) is a rare dominantly girly, but uncommonly boy's first name. The given name Nijia is characteristic of China, where it is a very rare dominantly female, but seldom masculine name, the United States, where it is an extremely rare mostly girly, but seldom masculine name, and India, where it is an extremely rare unisex name. Very seldom, Nijia is the last name as well as the forename.