The bottom 20% includes a lot of under 25's. That would account for a higher proportion of college grads. It may also account for a good portion of the oversp

The bottom 20% includes a lot of under 25's. That would account for a higher proportion of college grads. It may also account for a good portion of the overspending among this group, since it would capture people in college living on student loans. By that measure, I was spending over 200% of my income every year between tuition and basic living expenses while in grad school.