LondonUnited Kingdom |
BeijingChina |
8 416 999
(2013) |
8 416 999
(2013)
21 148 000
(2013) |
21 148 000
(2013) |
1 580 km2
|
1 580 km2
16 411 km2
|
16 411 km2
|
5 327.21
/km2 |
5 327.21/km2
1 288.65/km2
|
1 288.65
/km2 |