[caleblloyd]

a yuppie has an expensive car and house, a hipster has a bike and roommates, and a millennial borrows their parent's car and lives at home

[Grishnakh]

Age too: yuppies are generally older ("yuppie" was a popular term in the 80s), hipsters are probably in their early 30s, and millennials are in their 20s-early 30s.