NanjingChina |
PhiladelphiaUnited States |
8 116 000
(2012) |
8 116 000
(2012)
1 526 006
(2010) |
1 526 006
(2010) |
6 596 km2
|
6 596 km2
367 km2
|
367 km2
|
1 230.44
/km2 |
1 230.44/km2
4 158.05/km2
|
4 158.05
/km2 |