4. Age, generational cohorts and party identification

Today, age is strongly associated with partisanship – and this pattern has been in place for more than a decade.The Democratic Party holds a substantial edge among younger voters, while the Republican Party has the advantage among the oldest groups.
About two-thirds of voters ages 18 to 24 (66%) associate with the Democratic Party, compared with 34% who align with the GOP.There is a similarly large gap in the partisan affiliation of voters ages 25 to 29 (64% are Democrats or lean that way