DoualaCameroon |
DaqingChina |
1 907 000
(2005) |
1 907 000
(2005)
3 000 000
(2013) |
3 000 000
(2013) |
210 km2
|
210 km2
22 161 km2
|
22 161 km2
|
9 080.95
/km2 |
9 080.95/km2
135.37/km2
|
135.37
/km2 |