RiyadhSaudi Arabia |
YangzhouChina |
5 700 000
(2013) |
5 700 000
(2013)
4 459 000
(2007) |
4 459 000
(2007) |
1 554 km2
|
1 554 km2
6 658 km2
|
6 658 km2
|
3 667.95
/km2 |
3 667.95/km2
669.72/km2
|
669.72
/km2 |