Population in Jena compared to Karaj
Jena: 109.725 (2024)
Karaj: 1.973.470 (2025)
In Jena the population is about 6% of the population of Karaj.
Size of Jena compared to Karaj
Jena: ca. 115 km²
Karaj: ca. 250 km²
Jena has a land area approximately 54% smaller than Karaj
Population density of Jena compared to Karaj
Jena: ca. 956 Einwohner/km²
Karaj: ca. 7.900 Einwohner/km²
The population density of Jena is about 12% of that of Karaj.
City comparison between Jena and other cities
more about Jena (Thuringia, Germany)
more about Karaj (Iran)