RiyadhSaudi Arabia |
OsakaJapan |
5 700 000
(2013) |
5 700 000
(2013)
2 685 481
(2014) |
2 685 481
(2014) |
1 554 km2
|
1 554 km2
223 km2
|
223 km2
|
3 667.95
/km2 |
3 667.95/km2
12 042.50/km2
|
12 042.50
/km2 |