Tuition cost and fee inflation have outpaced CPI Inflation 4-to-1 over the last 40 years:
The resulting $1.78T of debt includes $1.65T that is federally owned (93%). 45M Americans have federal student loan debt. Roughly half of all the debt belongs to individuals with graduate degrees while the other half belongs to individuals with undergraduate degrees; though it’s worth noting that there are fewer graduate students overall so the debt held per student is higher for graduates: