Leshan's 2025 population is now estimated at 1,142,870. In 1950, the population of Leshan was 70,847. Leshan has grown by 26,370 in the last year, which represents a 2.36% 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 Leshan, which typically includes Leshan's population in addition to adjacent suburban areas.