I've got good news or bad news for you, depending on how you feel about it. Gen X won't be the new Boomers, Millennials will be. Gen X is actually a lower population than Boomers or Millennials. Now that all Millennials are of age to vote and even the youngest of them are approaching their 30's, and with Boomers increasingly dying off, Millennials will progressively make up the plurality of the voting population with each election cycle (they're also a larger cohort than Gen Z).

The other half of this news is that Millennials and Gen Z are seeming to defy the conventional wisdom that people become more conservative with age. Studies are showing that Millennials and Gen Z are generally getting more progressive as they age.