Jiaxing's 2021 population is now estimated at 1,318,418. In 1950, the population of Jiaxing was 72,806. Jiaxing has grown by 58,574 since 2015, which represents a 4.65% 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 Jiaxing, which typically includes Jiaxing's population in addition to adjacent suburban areas.