University ROI · Calculating Return on Investment by Country

A university degree is an investment — the upfront cost (tuition + foregone earnings) must be compared to the lifetime earnings premium it generates.

The earnings premium: University graduates earn approximately 30–100% more than non-graduates over their careers, varying by country and discipline. In Australia, the median bachelor’s graduate earns 65% more than a Year 12 completer over a career (Grattan Institute). STEM and professional degrees have higher premiums than humanities; the premium varies from 20% (arts) to 200%+ (medicine).

ROI calculation: Total cost = tuition + living costs + foregone earnings during study. Lifetime premium = (graduate salary − non-graduate salary) × working years. Payback period = total cost ÷ annual premium. For an Australian international student in commerce (A$180K total cost, ~A$15K/year premium), payback period is ~12 years. For a domestic student (A$30K total cost in HECS, similar premium), payback period is ~2 years. The economics for international students are dramatically different from domestic students — the premium must be assessed in the context of the student’s home country’s labour market, not the study destination’s.