LondonUnited Kingdom |
GuangzhouChina |
8 416 999
(2013) |
8 416 999
(2013)
13 438 972
(2009) |
13 438 972
(2009) |
1 580 km2
|
1 580 km2
7 434 km2
|
7 434 km2
|
5 327.21
/km2 |
5 327.21/km2
1 807.77/km2
|
1 807.77
/km2 |