BostonUnited States |
TianjinChina |
625 087
(2011) |
625 087
(2011)
14 425 000
(2009) |
14 425 000
(2009) |
232 km2
|
232 km2
11 943 km2
|
11 943 km2
|
2 694.34
/km2 |
2 694.34/km2
1 207.82/km2
|
1 207.82
/km2 |