Batam's 2025 population is now estimated at 1,858,910. In 1950, the population of Batam was 46,962. Batam has grown by 52,760 in the last year, which represents a 2.92% 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 Batam, which typically includes Batam's population in addition to adjacent suburban areas.