BeijingChina |
PittsburghUnited States |
21 148 000
(2013) |
21 148 000
(2013)
312 819
(2006) |
312 819
(2006) |
16 411 km2
|
16 411 km2
151 km2
|
151 km2
|
1 288.65
/km2 |
1 288.65/km2
2 071.65/km2
|
2 071.65
/km2 |