Understanding deductions from a Canadian salary

Federal and provincial income tax

Income tax depends on taxable income, jurisdiction and the claims that apply. Canadian tax brackets are progressive: a higher bracket rate applies to the portion within that bracket, rather than to all your income. Credits and specific provincial adjustments also matter.

TaxCalcy’s Canadian model uses annual 2026 schedules and supported basic claims. Ontario includes modeled surtax, health premium and base reduction. That scope does not include every credit or personal circumstance. Check the methodology rather than assuming that selecting a province creates full tax-return coverage.

References: CRA · 2026 income tax rates · CRA · Progressive tax rates and income brackets · CRA · January 2026 payroll formulas

Pension and insurance are separate from income tax

CPP, or QPP in Quebec, funds pension benefits. EI funds employment-insurance benefits. Quebec also has QPIP. Contribution rules use earnings ranges, rates and limits, so the extra deductions from a raise can differ from those on your existing salary.

The worked example below is for Ontario, not Quebec. It assumes a full-year resident working-age employee with ordinary pensionable and insurable wages and basic personal claims. The zero CPP2 amount in this example does not mean CPP2 is absent from the model; this salary does not reach the modeled second contribution range.

References: CRA · January 2026 payroll formulas · Government of Canada · 2026 EI earnings and premium limits

Compare categories, not just the final deposit

Start with gross pay for the same period. Identify income tax, pension and insurance lines, then separate employer-specific deductions. A health plan deduction or union due may explain a gap that the statutory model cannot reproduce.

An annualized estimate is not a pay-period withholding calculation. Starting work partway through the year, changing employers or having multiple jobs can affect the actual pattern. The model also assumes the selected province is both employment and year-end residence jurisdiction.

References: FCAC · Understanding your pay and deductions · CRA · January 2026 payroll formulas

Check the facts before relying on the result

The Canadian model excludes self-employment, investment and pension income, treaties and non-resident cases. Household entries do not establish entitlement to benefits or spouse and dependant credits. Enter supported deductions only when your facts justify them.

Use the calculator’s sources and assumptions beside the result. For a payroll discrepancy, ask the employer about withholding; for a filing decision, consult current official guidance or a qualified professional.

Sources and verification

Official references checked 2026-10-09. Examples reproduced with the existing TaxCalcy engine; no qualified human tax review is recorded.

• FCAC · Understanding your pay and deductionsGross/net definitions and common pay-stub deductions
• CRA · 2026 income tax rates2026 federal and Ontario bracket schedules
• CRA · Progressive tax rates and income bracketsOnly each portion of taxable income is taxed at its applicable bracket rate
• CRA · January 2026 payroll formulasEmployee contributions, basic credits and Ontario adjustments; annualized model reference
• Government of Canada · 2026 EI earnings and premium limitsEI premiums depend on insurable earnings and annual limits