Rio de JaneiroBrazil |
LondonUnited Kingdom |
6 323 037
(2010) |
6 323 037
(2010)
8 416 999
(2013) |
8 416 999
(2013) |
1 260 km2
|
1 260 km2
1 580 km2
|
1 580 km2
|
5 018.28
/km2 |
5 018.28/km2
5 327.21/km2
|
5 327.21
/km2 |