#1 statistic in American politics
In 2018, voters under 30 supported Democratic House candidates over Republican ones by an astounding 67 percent to 32 percent. A 2018 Pew survey found that 59 percent of millennial voters identify as Democrats or lean Democratic, while only 32 percent identify as Republicans or lean Republican.
The difference is ideological. According to Pew, 57 percent of millennials call themselves consistently liberal or mostly liberal. Only 12 percent call themselves consistently conservative or mostly conservative. This is the most important statistic in American politics right now.