WarsawPoland |
ShanghaiChina |
1 810 598
(2012) |
1 810 598
(2012)
24 150 000
(2013) |
24 150 000
(2013) |
523 km2
|
523 km2
6 340 km2
|
6 340 km2
|
3 461.95
/km2 |
3 461.95/km2
3 809.15/km2
|
3 809.15
/km2 |