Taiz's 2025 population is now estimated at 1,009,450. In 1950, the population of Taiz was 18,782. Taiz has grown by 34,932 in the last year, which represents a 3.58% 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 Taiz, which typically includes Taiz's population in addition to adjacent suburban areas.