Guiyang's 2020 population is now estimated at 3,317,110. In 1950, the population of Guiyang was 249,515. Guiyang has grown by 438,301 since 2015, which represents a 2.87% 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 Guiyang, which typically includes Guiyang's population in addition to adjacent suburban areas.