CairoEgypt |
San JuanPuerto Rico |
8 026 454
(2009) |
8 026 454
(2009)
389 714
(2011) |
389 714
(2011) |
528 km2
|
528 km2
199 km2
|
199 km2
|
15 201.60
/km2 |
15 201.60/km2
1 958.36/km2
|
1 958.36
/km2 |