Ulan-Ude's 2025 population is now estimated at 451,894. In 1950, the population of Ulan-Ude was 131,265. Ulan-Ude has grown by 985 in the last year, which represents a 0.22% 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 Ulan-Ude, which typically includes Ulan-Ude's population in addition to adjacent suburban areas.