Source Data Reference for:

City = Sofia
Time = 2000

City Year Size Size Comment Year Comment Author Title Location
Sofia1975 965,000Tertius ChandlerFour thousand years of urban growthp512
Sofia2001 1,096,400Jan Lahmeyerhttp://www.populstat.info/n/a
Sofia2012 1,180,000n/aDemographia Wolrd Urban Areas 8th Annual Edition Version 2