I expect it will take me 14 years from when I graduated college, or 11 years from when I got my first full-time job. I spent the first 3 years of my adult life working part-time, married. When I divorced, I had nothing. 7k in student loans, 2600 car loan, 1k in cash.
Then the next 5 years were living paycheck to paycheck, putting only a little into a 401k, bought a brand-new car (kind of dumb), got braces ($5k debt, but I won't necessarily say it was dumb).
Anyway, when I got all my debt paid off, going from $0 net worth to $100k, I expect will take 5 years. On a yearly income of $39,500. (That's not taking into account the value of any possessions I own, just savings/investments. I don't own any big "assets," just the usual car, furniture, laptop, jewelry & miscellaneous stuff.)
3 years after I achieve that, I expect my net worth to dip back down to between $50-80k as I take out a mortgage on a house.