Nizhny NovgorodRussian Federation |
XiamenChina |
1 263 873
(2014) |
1 263 873
(2014)
3 530 000
(2010) |
3 530 000
(2010) |
410 km2
|
410 km2
1 865 km2
|
1 865 km2
|
3 082.62
/km2 |
3 082.62/km2
1 892.76/km2
|
1 892.76
/km2 |