The shocking truth is that only about one third of adult Americans over the age of 25 have a college degree!
https://en.wikipedia.org/wiki/Educational_attainment_in_the_United_States
When you consider that so many college degrees are merely worthless pieces of paper, the percentage of people with useful degrees is much lower.
I know of several young twenty-somethings who have dropped out during their senior year and are flipping burgers. All that money down the drain. All for nothing.