Most Jews are not of German origin. In fact, there were no Jews in
Germany before the Khazars converted to Judaism in the 9th century.
You need to look at the link below which has the Jewish population
figures around the world for 1939 and the source of this information
is the American Jewish Committee. As you can see, the largest
concentration of Jews was in Russia because Southern Russia today is
actually where Khazaria was.
tinyurl.Com/1939-world-Jewish-population