Yanji's 2021 population is now estimated at 716,660. In 1950, the population of Yanji was 66,522. Yanji has grown by 21,495 since 2015, which represents a 3.09% 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 Yanji, which typically includes Yanji's population in addition to adjacent suburban areas.