Xiamen's 2025 population is now estimated at 4,077,760. In 1950, the population of Xiamen was 193,346. Xiamen has grown by 70,290 in the last year, which represents a 1.75% 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 Xiamen, which typically includes Xiamen's population in addition to adjacent suburban areas.