Ashkenazi Jews development of the Yiddish language in the previous decades, as the vast majority of the Jewish victims of the Holocaust, around 5 million, were Yiddish speakers. Many of the surviving Ashkenazi Jews emigrated to countries such as Israel, Canada, Argentina, Australia, and the United States after the war. Following the Holocaust, some sources place Ashkenazim today as making up approximately 83–85 percent of Jews worldwide, while Sergio DellaPergola in a rough calculation of Sephardic and Mizrahi Jews, implies that Ashkenazi make up a notably lower figure, less than 74%. Other estimates place Ashkenazi Jews as making up about 75% of
Racism in Israel where Sephardi and Mizrahi students were sometimes excluded or segregated. In 2010, the Israeli supreme court sent a strong message against discrimination in a case involving the Slonim Hassidic sect of the Ashkenazi, ruling that segregation between Ashkenazi and Sephardi students in a school is illegal. They argue that they seek "to maintain an equal level of religiosity, not from racism". Responding to the charges, the Slonim Haredim invited Sephardi girls to school, and added in a statement: "All along, we said it's not about race, but the High Court went out against our rabbis, and therefore we went to