Comparison
University of Waterloo vs RWTH Aachen University
MMath Data Science · Waterloo, ON vs MSc Data Science · Aachen
Last reviewed: July 2026
Short answer: RWTH Aachen University (MSc Data Science) is the cheaper program overall, University of Waterloo (MMath Data Science) reports the higher starting salary, and RWTH Aachen University (MSc Data Science) pays back fastest against the standard ₹8L India baseline. University of Waterloo (MMath Data Science)currently has the stronger post-study work / visa pathway. No single program wins on everything - which one is actually "better" depends on your budget, priority (salary vs. migration vs. affordability), and your own admit odds.
| University of Waterloo | RWTH Aachen University | |
|---|---|---|
| Country | Canada | Germany |
| City | Waterloo, ON | Aachen |
| Duration | 24 months | 24 months |
| Total cost | ₹48.0L | ₹32.7L |
| Avg. starting salary | ₹61.8L/yr | ₹54.4L/yr |
| Payback period | 0.9 yrs | 0.7 yrs |
| Visa pathway | Strong | Strong |
| Min. GPA (4.0 scale) | 3.1 | 3.0 |
| Test requirement | GRE not required | GRE Quant 75th+ percentile required |
| Consultant-oversold flag | No | No |
University of Waterloo: the honest note
Strong co-op and tech-recruiting culture; PGWP up to 3 years supports a solid migration pathway.
RWTH Aachen University: the honest note
Genuinely near-zero tuition even for non-EU students - the best pure cost-to-ROI ratio in this set. GRE is mandatory, unusual for a German program.
How payback is calculated
Payback = total program cost ÷ (starting salary abroad − ₹8,00,000 India baseline). The baseline rises for IIT/NIT-class graduates, which lengthens payback for those students on both programs above. Full formula and worked example in the payback period guide.
Sources
University of Waterloo: Tuition & living costs: uwaterloo.ca/data-science · Salary band: Glassdoor / Indeed / PayScale / ZipRecruiter (Jul 2026) · Visa: IRCC Post-Graduation Work Permit policy, canada.ca
RWTH Aachen University: Tuition & GRE requirement: rwth-aachen.de · Salary band: Glassdoor / Indeed / PayScale / ZipRecruiter (Jul 2026) · Visa: Germany 18-month post-study job-search visa
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