Education. Democrats lead by 22 points (57%-35%) in leaned party identification among adults with post-graduate degrees. The Democrats’ edge is narrower among those with college degrees or some post-graduate experience (49%-42%), and those with less education (47%-39%). Across all educational categories, women are more likely than men to affiliate with the Democratic Party or lean Democratic. The Democrats’ advantage is 35 points (64%-29%) among women with post-graduate degrees, but only eight points (50%-42%) among post-grad men.

A Deep Dive Into Party Affiliation | Pew Research Center