Ethnic and religious composition of Austria-Hungary

The ethno-linguistic composition of Austria-Hungary according to the census of 31 December 1910 was as follows: == Population == === Largest cities === Data: census in 1910 == Languages == In the Austrian Empire (Cisleithania), the census of 1911 recorded Umgangssprache, everyday language. Jews and those using German in offices often stated German as their Umgangssprache, even when having a different Muttersprache.

Source: Wikipedia — Ethnic and religious composition of Austria-Hungary (CC BY-SA 4.0)