Canada Tax System for UK Expats 2026 -- Federal, Provincial and Treaty Rules
Canada tax system UK expats 2026: federal income tax runs 15% to 33% above CAD 220,000. Provincial tax adds 6-25%. The UK-Canada DTC (1978, Protocol 2003) eliminates double taxation. UK dividend rates changed to 10.75%/35.75%/39.35% from 6 April 2026. T1 returns are due 30 April.