Porto AlegreBrazil |
Xi'anChina |
1 467 823
(2013) |
1 467 823
(2013)
7 270 000
(2006) |
7 270 000
(2006) |
496 km2
|
496 km2
9 983 km2
|
9 983 km2
|
2 959.32
/km2 |
2 959.32/km2
728.24/km2
|
728.24
/km2 |