Want to witness the tectonic shifts underway in American politics? Consider women and college graduates, who have flocked to the Democratic Party in recent years.

A larger share of college graduates identify as or lean Democratic than at any point in the past quarter-century, according to a new Pew Research Center report based on more than 10,000 interviews with registered voters last year. The data tell a similar story for women, too.

Republicans have gained some ground, too, among older registered voters and those with a high school education or less.

Here’s a brief look at the findings of the Pew analysis, which was released this week.

College graduates overwhelmingly side with Democrats

Americans are more divided along educational lines than at any point in about a quarter-century, according to Pew.