PhiladelphiaUnited States |
WeifangChina |
1 526 006
(2010) |
1 526 006
(2010)
8 500 000
(2008) |
8 500 000
(2008) |
367 km2
|
367 km2
15 800 km2
|
15 800 km2
|
4 158.05
/km2 |
4 158.05/km2
537.97/km2
|
537.97
/km2 |