The world's largest cities!

Here's a list of the world's largest cities based on morphology, function, administration and population.

City	Country	Morph.	Morph. (UN)	Funct.	Proper	WorldAtlas	World Gazetteer	City Population
Beijing	People's Republic of China	18	16	19	9	12	23	19
Bogotá	Colombia	35	30		20	30	36	32
Buenos Aires	Argentina	16	10	17	59	10	16	17
Cairo	Egypt	11	13	16	25	17	13	16
Delhi	India	6	6	8	4	14	9	4
Dhaka	Bangladesh	24	9		24	15	18	20
Guangzhou	People's Republic of China	19	25		26	44	61	14
Istanbul	Turkey	21	19		5	23	17	21
Jakarta	Indonesia	2	23	6	12	21	8	15
Karachi	Pakistan	25	12	20	3	13	22	13
Kinshasa	Democratic Republic of the Congo	30	29		17	46	28	32
Kolkata	India	12	8	14	32	9	14	12
Lagos	Nigeria	28	22		15	7	19	25
Lima	Peru	34	27		18	26	40	30
London	United Kingdom	29	26	18	19	25	20	24
Los Angeles	United States	13	11	13	47	8	11	9
Manila	Philippines	5	17	11		16	7	8
Mexico City	Mexico	9	3	3	10	2	2	3
Moscow	Russia	16	18	15	7	24	15	18
Mumbai	India	4	4	5	2	3	5	5
New York City	United States	3	2	4	13	5	3	6
Osaka	Japan	10	15	9		18	12	11
Paris	France	22	20			22	25	26
Rio de Janeiro	Brazil	20	14		27	19	24	21
São Paulo	Brazil	8	5	7	6	4	6	7
Seoul	South Korea	7	21	2	8	11	4	2
Shanghai	People's Republic of China	14	7	10	1	6	10	10
Shenzhen	People's Republic of China	15	31	12				28
Tehran	Iran	33	28		16	27	21	21
Tianjin	People's Republic of China	31	34		30	20	52	37
Tokyo	Japan	1	1	1	11	1	1	1
Wuhan	People's Republic of China	55	32		14	49	85	29