Combined Federal and Provincial/Territory Personal Tax Rates including the Basic Personal Amounts are not reflected in the above charts. Marginal Tax Rate and Infirm Adult Dependent Amount with the Canada Caregiver Credit. 5.9 Average and marginal tax rates (%) in Canada, 2007 / 60. 6.1 Taxes of the charts the progress of taxes for selected years since 1981. The many faces of Income Tax, Top marginal tax rates Information on item, Top statutory personal Personal income tax & employee social security contributions (All-in rate) Information on item, Top tax rates Canada, Information on row, 53.5, 53.5, 53.5, 4.1