Jessica Mozersky, Risky Genes: fs, Breast Cancer and Jewish Identity, Routledge 2013 p. 140.: 'this research highlights the complex and multiple ways in which identity can be conceived of by Ashkenazi Jews.'
Sergio DellaPergola (2008). «"Sephardic and Oriental" Jews in Israel and Countries: Migration, Social Change, and Identification». I Peter Y. Medding. Sephardic Jewry and Mizrahi Jews. X11. Oxford University Press. s. 3–42. DellaPergola hverken analyserer eller nevner askenasisk statistikker, men tallet ses implisitt i hans omtrentlige estimat at orientalske og sefardiske jøder utgjorde 26 % av verdens jødebefolkning i år 2000.