Which country has the best post-study work rights?
Canada (PGWP up to 3 years), Australia (2–4 years depending on qualification), UK (Graduate Route — 2 years bachelor's/master's, 3 years PhD), Germany (18 months). Netherlands offers a 1-year Orientation Year.
Can I work while studying?
Most countries allow 20 hours/week during term, full-time in holidays. UK, Ireland, Germany, Canada, Australia all permit this.