Personally adulthood to me doesn't really exist, you just get older you learn what is accepted and what isn't and some learn to follow what they have learned others don't. So one person works, another lives with their parents I don't really see any difference.
I look at people who move out just to move out live in horrid apartments and don't have enough money to do anything just to be out, whose parents didn't kick them out. They are not adults they are idiots, Don't move out till you have to or you are actually financially ready