IbadanNigeria |
YanchengChina |
2 550 593
(2006) |
2 550 593
(2006)
8 117 000
(2008) |
8 117 000
(2008) |
3 080 km2
|
3 080 km2
16 920 km2
|
16 920 km2
|
828.11
/km2 |
828.11/km2
479.73/km2
|
479.73
/km2 |