PhiladelphiaUnited States |
DalianChina |
1 526 006
(2010) |
1 526 006
(2010)
6 200 000
(2007) |
6 200 000
(2007) |
367 km2
|
367 km2
13 237 km2
|
13 237 km2
|
4 158.05
/km2 |
4 158.05/km2
468.38/km2
|
468.38
/km2 |