St. PetersburgRussian Federation |
Taizhou (Zhejiang)China |
5 131 942
(2014) |
5 131 942
(2014)
5 740 000
(2007) |
5 740 000
(2007) |
1 439 km2
|
1 439 km2
9 411 km2
|
9 411 km2
|
3 566.33
/km2 |
3 566.33/km2
609.92/km2
|
609.92
/km2 |