Statistics for World's Largest Cities by Century

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Hint	Population	Answer	% Correct
----	1 million	London	99%
1900	6.4 million	London	99%
2000	26.4 million	Tokyo	97%
----	39.8 million	Tokyo	97%
----	4.2 million	New York	96%
----	3.3 million	Paris	95%
100	1 million	Rome	94%
----	31.1 million	Shanghai	93%
1600	1 million	Beijing	92%
----	650 thousand	Beijing	92%
1500	670 thousand	Beijing	92%
1800	1.1 million	Beijing	92%
----	750 thousand	Guangzhou	87%
2017	48.6 million	Guangzhou	84%
----	700 thousand	Istanbul	78%
----	700 thousand	Istanbul	78%
----	400 thousand	Cairo	75%
----	18.1 million	Mumbai	71%
----	18.1 million	Mexico City	51%
----	450 thousand	Baghdad	49%
----	300 thousand	Constantinople	34%
500	450 thousand	Constantinople	34%
1000	450 thousand	Cordoba	30%
----	500 thousand	Agra	12%
----	300 thousand	Luoyang	8%
----	400 thousand	Luoyang	8%
----	400 thousand	Kaifeng	7%
1700	1 million	Ayutthaya	4%
----	500 thousand	Vijayanagar	3%
----	300 thousand	Selucia	1%