Mbuji Mayi's 2021 population is now estimated at 2,642,794. In 1950, the population of Mbuji Mayi was 67,641. Mbuji Mayi has grown by 117,531 since 2015, which represents a 4.65% 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 Mbuji Mayi, which typically includes Mbuji Mayi's population in addition to adjacent suburban areas.