Yanji's 2025 population is now estimated at 792,664. In 1950, the population of Yanji was 66,522. Yanji has grown by 16,992 in the last year, which represents a 2.19% 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.