Half of Democratic voters in 2018 were college graduates, compared with 35% of Republican voters % composition of those who voted for Democratic and Republican candidates
Half of Democratic voters in 2018 had a four-year college degree or more, compared with 35% of Republican voters. Voters with postgraduate degrees made up nearly a quarter (24%) of the Democratic electorate, compared with 13% among Republican voters. Combining this with the racial profile of the parties’ supporters, 57% of GOP voters were White adults with no college degree, compared with 28% among Democratic voters.
Half of Democratic voters in 2018 were college  | graduates, compared with 35% of Republican voters  | % composition of those who voted for Democratic and Republican candidates  | HS or less  | Some college College grad Postgrad  | 2016 VOTERS  | 28%  | 29%  | 25%  | 19%  | Clinton voters  | 34  | 37  | 21  | Trump voters  | 2018 VOTERS  | Democratic voters  | 21  | 29  | 26  | 24  | Republican voters  | 28  | 36  | 22  | 13  | Non-college grad  | College grad+  | 2016  | Clinton voters  | 57  | 43  | 29  | Trump voters  | 71  | 2018  | 50  | 50  | Democratic voters  | 65  | Republican voters  | 35  | White, non-college grad  | White, college grad+  | 2016  | Clinton voters  | 26  | 34  | Trump voters  | 63  | 25  | 2018  | Democratic voters  | 28  | 37  | Republican voters  | 57  | 31  | Notes: Based on 1, 552 Clinton and 1,283 Trump (2016) and 4, .495 Democratic and 2,899  | Republican House (2018) validated general election voters. Validated voters are those found  | to have voted in commercial voter files Vote choice for both years is from a post election  | survey See Methodology for full details White and Black adults include sonly those who  | report being only one race and are not Hispanic; Hispanics are of any race. Don It know  | responses not shown.  | Source: Surveys of U.S adults conducted Nov 29 Dec 12, 2016 fand Nov. 7-16, 2018  | "Democrats Made Gains From Multiple Sources in 2018 Midterm Victories  | PEW RESEARCH CENTER 