Taibei's 2021 population is now estimated at 2,731,208. In 1950, the population of Taibei was 550,908. Taibei has grown by 9,723 since 2015, which represents a 0.36% 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 Taibei, which typically includes Taibei's population in addition to adjacent suburban areas.