Variables: Total number of Jews by country and percent of population that are Jews: Followers of the various schools of Judaism: in the United States: Orthodox, Conservative, and Reform; in Israel: Haredi, Orthodox, Traditional, Observant, and secular; ethnically, Ashkenazi (Eastern Europe), Mizrahi (Middle Eastern), Sephardic (Iberian Peninsula), and various African ethnicities. (World Religion Database, 2020) (Jews)1