8. The changing demographic composition of voters and party coalitions

Mirroring changes in the U.S. population overall, registered voters have become more educated, more racially and ethnically diverse, older, and more religiously diverse over the past three decades.Many of these changes have altered the makeup of both parties, but several have had a more pronounced impact on the Democratic Party than the Republican Party.Race and ethnicityAs the United States has become more racially and ethnically diverse, so too has the electorate.Today, 67% of registered voter