Kolwezi's 2026 population is now estimated at 574,998. In 1950, the population of Kolwezi was 31,177. Kolwezi has grown by 19,939 in the last year, 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 Kolwezi, which typically includes Kolwezi's population in addition to adjacent suburban areas.