Eastern European immigrants have traditionally strongly favoured the CDU. They appear to gradually align with the German population, though, especially among those born in the Former Soviet Union, there is still some CDU lean.
That's of course right, but the "Eastern European" group is absolutely dominated by ethnic Germans and their families that came to Germany due to the Law of Return (ca. 3 millions from the ex-USSR, ca. 2 millions from Poland etc.).
Other groups may include Eastern Europeans marrying German-born Germans, naturalized "guest-workers", naturalized contingent refugees. These may exhibit a completely different voting behavior which we can't deduce from the general "Eastern European" category because they are far less people than the
Spätaussiedler.
Of course the
Jews are increasingly dominated by naturalized contingent refugees and even Israelis (100.000 have dual citizenship now, though most probably don't vote in Germany.)
