St. PetersburgRussian Federation |
YangzhouChina |
5 131 942
(2014) |
5 131 942
(2014)
4 459 000
(2007) |
4 459 000
(2007) |
1 439 km2
|
1 439 km2
6 658 km2
|
6 658 km2
|
3 566.33
/km2 |
3 566.33/km2
669.72/km2
|
669.72
/km2 |