Rank
|
Population
|
Country
|
City
|
1
|
21,279,000
|
China
|
Beijing
|
2
|
16,290,000
|
Thailand
|
Bangkok
|
3
|
14,984,000
|
Argentina
|
Buenos Aires
|
4
|
9,311,000
|
Indonesia
|
Bandung
|
5
|
9,081,000
|
Colombia
|
Bogotá
|
6
|
8,520,000
|
India
|
Bengaluru
|
7
|
6,849,000
|
Iraq
|
Baghdad
|
8
|
4,967,000
|
Brazil
|
Belo Horizonte
|
9
|
4,609,000
|
Spain
|
Barcelona
|
10
|
4,290,000
|
Germany
|
Berlin
|
11
|
4,218,000
|
South Korea
|
Busan
|
12
|
4,035,000
|
United States
|
Boston
|
13
|
3,419,000
|
Brazil
|
Brasília
|
14
|
3,291,000
|
Mali
|
Bamako
|
15
|
2,959,000
|
United Kingdom
|
Birmingham
|
16
|
2,822,000
|
Hungary
|
Budapest
|
17
|
2,814,000
|
Lebanon
|
Beirut
|
18
|
2,742,000
|
Azerbaijan
|
Baku
|
19
|
2,270,000
|
Belgium
|
Brussels
|
20
|
2,265,000
|
United States
|
Baltimore
|
21
|
2,230,000
|
Romania
|
Bucharest
|
22
|
2,206,000
|
China
|
Baotou
|
23
|
2,175,000
|
Brazil
|
Belém
|
24
|
2,151,000
|
Australia
|
Brisbane
|
25
|
2,073,000
|
Colombia
|
Barranquilla
|
|
Rank
|
Population
|
Country
|
City
|
26
|
1,886,000
|
India
|
Bhopal
|
27
|
1,868,000
|
Turkey
|
Bursa
|
28
|
1,698,000
|
China
|
Baoding
|
29
|
1,646,000
|
Congo (Rep.)
|
Brazzaville
|
30
|
1,640,000
|
Nigeria
|
Benin City
|
31
|
1,620,000
|
Iraq
|
Basra
|
32
|
1,549,000
|
India
|
Bhubaneswar
|
33
|
1,513,000
|
D.R. Congo
|
Beni
|
34
|
1,416,000
|
Serbia
|
Belgrade
|
35
|
1,373,000
|
Indonesia
|
Bandar Lampung
|
36
|
1,369,000
|
Libya
|
Benghazi
|
37
|
1,360,000
|
Indonesia
|
Banjarmasin
|
38
|
1,214,000
|
United Kingdom
|
Bristol
|
39
|
1,200,000
|
Zimbabwe
|
Bulawayo
|
40
|
1,196,000
|
China
|
Bengbu
|
41
|
1,186,000
|
Venezuela
|
Barquisimeto
|
42
|
1,182,000
|
China
|
Baoji
|
43
|
1,179,000
|
Kyrgyzstan
|
Bishkek
|
44
|
1,173,000
|
Angola
|
Benguela
|
45
|
1,171,000
|
Pakistan
|
Bahawalpur
|
46
|
1,092,000
|
United States
|
Bridgeport
|
47
|
1,085,000
|
United States
|
Buffalo
|
48
|
1,064,000
|
India
|
Bhilai
|
49
|
1,055,000
|
Colombia
|
Bucaramanga
|
50
|
1,048,000
|
C. A. R.
|
Bangui
|
|