LuxembourgLuxembourg |
ColumbusUnited States |
103 641
(2013) |
103 641
(2013)
822 553
(2013) |
822 553
(2013) |
52 km2
|
52 km2
550 km2
|
550 km2
|
1 993.10
/km2 |
1 993.10/km2
1 495.55/km2
|
1 495.55
/km2 |