RiyadhSaudi Arabia |
KitakyushuJapan |
5 700 000
(2013) |
5 700 000
(2013)
963 598
(2014) |
963 598
(2014) |
1 554 km2
|
1 554 km2
488 km2
|
488 km2
|
3 667.95
/km2 |
3 667.95/km2
1 974.59/km2
|
1 974.59
/km2 |