Grand Old Party: How Aging Makes You More Conservative

One of the most durable forces shaping the U.S. electorate is that voters tend to lean more Republican as they age.

But it also matters where they begin on the political spectrum, and there are indications that millennials and the oldest members of Generation Z started out more liberal than prior generations. That has made them a crucial base of support for Democrats, even as some other groups of voters have moved away from the party.