Source Data Reference for:

City = Sao Paulo
Time = 1850

City Year Size Size Comment Year Comment Author Title Location
Sao Paulo1840 12,000Brian MitchellInternational historical statistics
Sao Paulo1861 22,000Tertius ChandlerFour thousand years of urban growthp54
Sao Paulo1872 31,400Jan Lahmeyerhttp://www.populstat.info/n/a