Source Data Reference for:

City = Rome
Time = 0

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Rome	-200	150,000			Tertius Chandler	Four thousand years of urban growth	p462
Rome	-200	150,000			Tertius Chandler	Four thousand years of urban growth	p531
Rome	-200	210,000			George Modelski	World Cities -3000 to 2000	p49
Rome	-175	600,000			Tertius Chandler	Four thousand years of urban growth	p524
Rome	-147	322,000			Tertius Chandler	Four thousand years of urban growth	p97
Rome	-100	400,000			George Modelski	World Cities -3000 to 2000	p49
Rome	-100	400,000			Ian Morris	Social Development
Rome	-100		1st in Italy	a few decades after foundation of Aquileia	Luigi Marcuzzi	Aquileia Storia Arte Monumenti	p5
Rome	-57	486,000			Tertius Chandler	Four thousand years of urban growth	p524
Rome	-25		becomes largest in the world overtaking Changan		Tertius Chandler	Four thousand years of urban growth	p524
Rome	1	1,000,000			Ian Morris	Social Development
Rome	1	350,000		under Augustus	Tertius Chandler	Four thousand years of urban growth	p99
Rome	1	800,000			George Modelski	World Cities -3000 to 2000	p49