Vungtau's 2021 population is now estimated at 429,839. In 1950, the population of Vungtau was 22,865. Vungtau has grown by 12,015 since 2015, which represents a 2.88% 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 Vungtau, which typically includes Vungtau's population in addition to adjacent suburban areas.