Suzhou's 2021 population is now estimated at 7,427,096. In 1950, the population of Suzhou was 457,047. Suzhou has grown by 357,104 since 2015, which represents a 5.05% 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 Suzhou, which typically includes Suzhou's population in addition to adjacent suburban areas.