A university degree's financial ROI is the lifetime earning premium (graduate salary trajectory minus no-degree salary trajectory) minus course fees and forgone earnings during study. The forgone earnings often dwarf the course fee — at a $60k no-degree starting salary, a 4-year degree forfeits $240k of working-life earnings before you even count the HECS debt. The premium has to clear that hurdle plus the fee to come out ahead.

Big variance by field. Medicine, engineering, dentistry, IT, top-tier law typically deliver lifetime premiums of $1-3M and clear the cost easily — clearly positive ROI. Generalist arts, humanities, and many social sciences often have lifetime premiums of $100-400k, which can be a negative ROI once forgone earnings are counted. The 'graduate premium' Australian average is around $400-700k, but the distribution is wide and sector-driven.

The numbers don't capture the non-financial value: critical thinking, networks, the credential opening doors that wouldn't otherwise open, the life experience. They're real but harder to quantify. The financial ROI is one input to the decision, not the only one. For HECS repayment specifics see our HECS Calculator; for trade vs uni comparison see our VET vs Uni ROI Calculator.