Xi-an's 2025 population is now estimated at 9,222,080. In 1950, the population of Xi-an was 574,716. Xi-an has grown by 208,240 in the last year, which represents a 2.31% annual change.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Xi-an, which typically includes Xi-an's population in addition to adjacent suburban areas.