The two major political parties have sorted themselves along similar lines: as the Republican Party becomes disproportionately older, white, rural, male, and Christian, the Democratic Party is increasingly young, nonwhite, urban, female, and nonreligious.10 As political scientists Shanto Iyengar and Masha Krupenkin put it, “The result is that today, differences in party affiliation go hand in glove with differences in world view and individuals’ sense of social and cultural identity.”
