JohannesburgSouth Africa |
BaotouChina |
4 434 827
(2011) |
4 434 827
(2011)
2 700 000
(2010) |
2 700 000
(2010) |
1 644 km2
|
1 644 km2
27 768 km2
|
27 768 km2
|
2 697.58
/km2 |
2 697.58/km2
97.23/km2
|
97.23
/km2 |