ChicagoUnited States |
GuangzhouChina |
2 719 000
(2013) |
2 719 000
(2013)
13 438 972
(2009) |
13 438 972
(2009) |
606 km2
|
606 km2
7 434 km2
|
7 434 km2
|
4 486.80
/km2 |
4 486.80/km2
1 807.77/km2
|
1 807.77
/km2 |