Jewish diaspora evidence that about 40% of Ashkenazi Jews originate maternally from just four female founders, who were of Middle Eastern origin. The populations of Sephardi and Mizrahi Jewish communities "showed no evidence for a narrow founder effect." Subsequent studies carried out by Feder et al. confirmed the large portion of the non-local maternal origin among Ashkenazi Jews. Reflecting on their findings related to the maternal origin of Ashkenazi Jews, the authors conclude "Clearly, the differences between Jews and non-Jews are far larger than those observed among the Jewish communities. Hence, differences between the Jewish communities can be overlooked when non-Jews are
Ashkenazi Jews in Israel class, and the disparity between Ashkenazim and Mizrahim diminished (but did not completely disappear), with Mizrahi political expression becoming increasingly linked to the Likud and Shas parties; Shas was founded as a party to represent Mizrahim while Likud, the largest right-wing party, in Israel became increasingly influenced by Mizrahi political articulation, with the Mizrahi middle class' political coming-of-age held by political science commentators to be embodied by the rise of Mizrahi Likud politicians such as Moshe Kahlon and Miri Regev. The Ashkenazi vote has, aside from electorally limited majority-Ashkenazi ultra-religious parties such as Habayit Hayehudi, long been associated with secularism