St. PetersburgRussian Federation |
LondonUnited Kingdom |
5 131 942
(2014) |
5 131 942
(2014)
8 416 999
(2013) |
8 416 999
(2013) |
1 439 km2
|
1 439 km2
1 580 km2
|
1 580 km2
|
3 566.33
/km2 |
3 566.33/km2
5 327.21/km2
|
5 327.21
/km2 |