Population in Bissau compared to Siena
Bissau: 407.424 (2007)
Siena: 52.991 (2025)
In Bissau there are about 7.7 time more people living, as in Siena.
Size of Bissau compared to Siena
Bissau: ca. 78 km²
Siena: ca. 119 km²
Bissau has a land area approximately 35% smaller than Siena
Population density of Bissau compared to Siena
Bissau: ca. 5.257 Einwohner/km²
Siena: ca. 447 Einwohner/km²
The population density of Bissau is about11.8 times higher, than the one of Siena.
City comparison between Bissau and other cities
more about Bissau (Guinea-Bissau)
more about Siena (Tuscany, Italy)