FreetownSierra Leone |
HefeiChina |
862 419
(2013) |
862 419
(2013)
4 867 000
(2008) |
4 867 000
(2008) |
357 km2
|
357 km2
7 029 km2
|
7 029 km2
|
2 415.74
/km2 |
2 415.74/km2
692.42/km2
|
692.42
/km2 |