Changchun and Douala
Comparison by area and population

Changchun

China

Douala

Cameroon

Population

6 830 000
 (2010)

6 830 000
(2010)

1 907 000
(2005)
1 907 000
 (2005)

Area

20 532 km2

20 532 km2

210 km2
210 km2

Population density

332.65
/km2

332.65/km2

9 080.95/km2
9 080.95
 /km2
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