Demographic shifts can tear countries apart as once-dominant majorities lose power. Just behold at the USSR—and usWhat happens to a country when its core national identity—its preferred image of itself in terms of race or religion—doesn’t match its demographic reality? Say a Sunni-dominated Arab country is actually a majority Shi’a Arab country; or a Russian-Slavic majority becomes a minority; or a white Protestant U.
S. becomes predominantly mixed race and mixed faith.
Source: tufts.edu