Population in Osaka compared to Cologne
Osaka: 2.816.247 (2025)
Cologne: 1.024.621 (Zensus 2022)
In Osaka there are about 2.7 time more people living, as in Cologne.
Size of Osaka compared to Cologne
Osaka: ca. 225 km²
Cologne: ca. 405 km²
Osaka has a land area approximately 44% smaller than Cologne
Population density of Osaka compared to Cologne
Osaka: ca. 12.505 Einwohner/km²
Cologne: ca. 2.530 Einwohner/km²
The population density of Osaka is about4.9 times higher, than the one of Cologne.
City comparison between Osaka and other cities
more about Osaka (Kansai, Japan)
more about Cologne (North Rhine-Westphalia, Germany)