St. PetersburgRussian Federation |
LagosNigeria |
5 131 942
(2014) |
5 131 942
(2014)
7 937 932
(2006) |
7 937 932
(2006) |
1 439 km2
|
1 439 km2
999 km2
|
999 km2
|
3 566.33
/km2 |
3 566.33/km2
7 945.88/km2
|
7 945.88
/km2 |