"… Needless to say, the federal student loan program is a mess, and millions of recipients of its loans are mired in debt. So mired, in fact, that, according to two recent studies [link],
40 percent of borrowers may default on their student loans by 2023
250,000 borrowers default on their federal student loans each quarter
It takes 19.4 years, on average, to pay off student loans
And it should be noted that, unlike other forms of federal debt, which are dischargeable in bankruptcy, student-loan debt cannot generally be discharged in bankruptcy." …
https://www.fff.org/explore-freedom/article/the-student-debt-conundrum/