Total outstanding debts from student loans =
Number of those indebted for said student loans =
Average debt for those indebted students (present and former) =
Average interest rates on said debt =
Median age for those so indebted =
Estimated number of 40+ year olds with student debt =
all these numbers came from here:
Richard Vedder, from his essay in the recent Imprimis, titled "Federal Student Aid and the Law of Unintended Consequences."