Population in Jena compared to Lahti
Jena: 109.725 (2024)
Lahti: 121.622 (2025)
In Jena and Jena the population is almost equal.
Size of Jena compared to Lahti
Jena: ca. 115 km²
Lahti: ca. 518 km²
Jena has a land area approximately 78% smaller than Lahti
Population density of Jena compared to Lahti
Jena: ca. 956 Einwohner/km²
Lahti: ca. 265 Einwohner/km²
The population density of Jena is about3.6 times higher, than the one of Lahti.
City comparison between Jena and other cities
more about Jena (Thuringia, Germany)
more about Lahti (Päijät-Häme, Finland)