Porto AlegreBrazil |
ChengduChina |
1 467 823
(2013) |
1 467 823
(2013)
7 123 000
(2010) |
7 123 000
(2010) |
496 km2
|
496 km2
12 390 km2
|
12 390 km2
|
2 959.32
/km2 |
2 959.32/km2
574.90/km2
|
574.90
/km2 |