SeoulKorea, Republic of |
BeijingChina |
10 464 051
(2011) |
10 464 051
(2011)
21 148 000
(2013) |
21 148 000
(2013) |
605 km2
|
605 km2
16 411 km2
|
16 411 km2
|
17 295.90
/km2 |
17 295.90/km2
1 288.65/km2
|
1 288.65
/km2 |