Canadian Sales Tax Rate History

Each province and territory has its own sales tax history. Select a region below to view a full timeline of rate changes, reverse calculation formulas by era, and historical context.

HST Provinces

These provinces collect a single Harmonized Sales Tax administered by the Canada Revenue Agency.

GST + Provincial Tax Provinces and Territories

These provinces and territories collect the federal GST plus a separate provincial or territorial tax — or GST only.

Calculations are arithmetic estimations only and do not constitute formal tax or corporate auditing advice. All figures must be verified against current CRA guidelines before filing.