Karachi and Colombo
Comparison by area and population

Karachi

Pakistan

Colombo

Sri Lanka

Population

13 205 339
 (2010)

13 205 339
(2010)

672 743
(2007)
672 743
 (2007)

Area

3 530 km2

3 530 km2

37 km2
37 km2

Population density

3 740.89
/km2

3 740.89/km2

18 182.20/km2
18 182.20
 /km2
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