Douala and Changchun
Comparison by area and population

Douala

Cameroon

Changchun

China

Population

1 907 000
 (2005)

1 907 000
(2005)

6 830 000
(2010)
6 830 000
 (2010)

Area

210 km2

210 km2

20 532 km2
20 532 km2

Population density

9 080.95
/km2

9 080.95/km2

332.65/km2
332.65
 /km2
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