Ningbo's 2021 population is now estimated at 4,263,843. In 1950, the population of Ningbo was 281,671. Ningbo has grown by 147,634 since 2015, which represents a 3.59% 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 Ningbo, which typically includes Ningbo's population in addition to adjacent suburban areas.