Number
|
Country
|
Population(2018)
|
Answer
|
1st
|
Japan
|
37,400,000
|
Tokyo
|
2nd
|
India
|
28,514,000
|
Delhi
|
3rd
|
China
|
25,582,000
|
Shanghai
|
4th
|
Brazil
|
21,650,000
|
São Paulo
|
5th
|
Mexico
|
21,581,000
|
Mexico City
|
6th
|
Egypt
|
20,076,000
|
Cairo
|
7th
|
India
|
19,980,000
|
Mumbai
|
8th
|
China
|
19,618,000
|
Beijing
|
9th
|
Bangladesh
|
19,578,000
|
Dhaka
|
10th
|
Japan
|
19,281,000
|
Osaka
|
11th
|
United States
|
18,819,000
|
New York City
|
12th
|
Pakistan
|
15,400,000
|
Karachi
|
13th
|
Argentina
|
14,967,000
|
Buenos Aires
|
14th
|
China
|
14,838,000
|
Chongqing
|
15th
|
Turkey
|
14,751,000
|
Istambul
|
|