Rank
|
Country
|
Population
|
City
|
1
|
Brazil
|
22,200,000
|
Sao Paulo
|
2
|
Argentina
|
16,300,000
|
Buenos Aires
|
3
|
Brazil
|
13,100,000
|
Rio de Janeiro
|
4
|
Peru
|
9,900,000
|
Lima
|
5
|
Colombia
|
9,800,000
|
Bogota
|
6
|
Chile
|
7,200,000
|
Santiago
|
7
|
Brazil
|
4,975,000
|
Belo Horizonte
|
8
|
Brazil
|
4,100,000
|
Porto Alegre
|
9
|
Colombia
|
3,950,000
|
Medellin
|
10
|
Brazil
|
3,925,000
|
Brasilia
|
11
|
Brazil
|
3,825,000
|
Recife
|
12
|
Venezuela
|
3,775,000
|
Caracas
|
13
|
Brazil
|
3,650,000
|
Fortaleza
|
14
|
Brazil
|
3,575,000
|
Salvador
|
15
|
Brazil
|
3,375,000
|
Curitiba
|
16
|
Brazil
|
3,175,000
|
Campinas
|
17
|
Ecuador
|
3,125,000
|
Guayaquil
|
18
|
Colombia
|
3,050,000
|
Cali
|
19
|
Ecuador
|
2,675,000
|
Quito
|
20
|
Venezuela
|
2,600,000
|
Maracaibo
|
21
|
Brazil
|
2,375,000
|
Goiania
|
22
|
Paraguay
|
2,300,000
|
Asuncion
|
23
|
Brazil
|
2,225,000
|
Belem
|
24
|
Brazil
|
2,175,000
|
Manaus
|
|
Rank
|
Country
|
Population
|
City
|
25=
|
Bolivia
|
2,075,000
|
La Paz
|
25=
|
Bolivia
|
2,075,000
|
Santa Cruz
|
25=
|
Colombia
|
2,075,000
|
Barranquilla
|
28
|
Venezuela
|
2,000,000
|
Valencia
|
29
|
Uruguay
|
1,850,000
|
Montevideo
|
30
|
Brazil
|
1,820,000
|
Vitoria
|
31
|
Brazil
|
1,730,000
|
Santos
|
32
|
Argentina
|
1,650,000
|
Cordoba
|
33
|
Brazil
|
1,430,000
|
Sao Luis
|
34
|
Venezuela
|
1,420,000
|
Maracay
|
35
|
Brazil
|
1,400,000
|
Natal
|
36
|
Argentina
|
1,360,000
|
Rosario
|
37
|
Bolivia
|
1,350,000
|
Cochabamba
|
38
|
Venezuela
|
1,300,000
|
Barquisimeto
|
39
|
Colombia
|
1,160,000
|
Bucaramanga
|
40=
|
Brazil
|
1,120,000
|
Joao Pessoa
|
40=
|
Colombia
|
1,120,000
|
Cartagena
|
42
|
Brazil
|
1,110,000
|
Maceio
|
43
|
Argentina
|
1,080,000
|
Mendoza
|
44
|
Peru
|
1,060,000
|
Arequipa
|
45
|
Brazil
|
1,030,000
|
Teresina
|
46=
|
Argentina
|
1,010,000
|
San Miguel de Tucaman
|
46=
|
Chile
|
1,010,000
|
Valparaiso
|
|