Canada Income Tax Guide: Federal & Provincial Tax, Credits

How Canadian income tax works

Canada uses a progressive income tax system. Individuals generally pay federal income tax and provincial or territorial income tax. Your province or territory of residence on December 31 usually determines which provincial or territorial rates apply for that tax year. Taxable income, deductions, non-refundable credits and other circumstances all affect the final amount.

This guide focuses on the 2025 tax year (returns generally filed in 2026). Rates and thresholds change, and federal or provincial rules may be updated. Use the calculator as an estimate and verify figures against the Canada Revenue Agency (CRA) and your province or territory.

Federal tax brackets and marginal rates

For 2025, the federal brackets are 14.5% on the first $57,375 of taxable income; 20.5% on the portion from $57,375 to $114,750; 26% from $114,750 to $177,882; 29% from $177,882 to $253,414; and 33% above $253,414. The 14.5% first bracket reflects the federal rate reduction for 2025. Provincial and territorial income tax is calculated separately and adds to federal tax.

These are marginal rates: each rate applies only to the income slice within its bracket. Earning one dollar more does not cause all your income to be taxed at the next rate. Your combined marginal rate depends on your province or territory, income type and applicable credits.

Deductions, credits and benefits

A deduction reduces taxable income. A non-refundable tax credit generally reduces tax payable, but cannot usually create a refund beyond tax owing. The federal basic personal amount is delivered as a credit, subject to income-related rules; it is not simply a blanket tax-free threshold. Other credits may apply for eligible tuition, donations, medical expenses, caregivers or disability-related circumstances. Provincial and territorial credits differ.

Some benefits use family income and eligibility rules rather than only the amount of income tax due. Keep receipts and supporting documents, and check current CRA criteria before claiming a credit or benefit.

Employment income and tax withheld

Employees typically receive a T4 slip reporting employment income and payroll deductions. Income tax withheld through payroll is a prepayment; your tax return reconciles it against your final federal and provincial or territorial liability. Multiple jobs, bonuses, investment income, moving between provinces or changes in family circumstances may mean that withholding does not match the final amount.

Review slips before filing and keep documents for deductions and credits. If you have more than one employer, ensure income from all slips is reported. Avoid assuming that the tax withheld on a single paycheque represents your final annual tax rate.

Self-employment and business income

Sole proprietors and many independent contractors report business or professional income and expenses using Form T2125 with their T1 return. Start with complete records of revenue, invoices and payments. Deduct expenses only when they are reasonable, incurred to earn business income, and supported by records. Mixed personal and business expenses must be allocated appropriately; capital purchases and home-office costs can have special rules.

Self-employed people generally pay both the employee and employer portions of Canada Pension Plan contributions on pensionable self-employment earnings, subject to the applicable rules and limits. Other instalment obligations may apply. The filing deadline for self-employed individuals is generally June 15, but any balance owing is generally due April 30. Confirm the applicable dates each year and budget for the payment date even when the return can be filed later.

GST/HST for small suppliers

Income tax and GST/HST are separate systems. In general, a business is a small supplier while taxable supplies do not exceed $30,000 in a single calendar quarter or over four consecutive calendar quarters, subject to detailed rules and exceptions. If you exceed the threshold, the date you must register and begin charging GST/HST depends on how and when you crossed it. Voluntary registration may also have consequences. Check CRA guidance or get qualified advice for your circumstances.

Filing checklist

Before filing, gather T4 and other information slips, records for business income and expenses, receipts for eligible claims, details of instalments and any prior-year carry-forward amounts. Confirm your address, marital status and province or territory of residence at year-end. Report all income sources, compare payroll withholding with your total tax, and keep a copy of the return and supporting records.

Estimate your tax

A Canadian tax calculator can help you plan take-home pay or set aside funds. Results may differ from your assessment because of provincial rates, credits, deductions, benefits, CPP contributions, EI premiums, capital gains, income type or instalments. Enter the correct tax year and province or territory, and treat the result as an estimate rather than a filed return or personal tax advice.

Official CRA references

• CRA: Federal income tax rates and brackets
• CRA: Filing dates and payment deadlines
• CRA: Business expenses
• CRA: GST/HST small supplier registration

This general information is not tax, legal or accounting advice. Tax rules depend on your situation and can change; verify current CRA and provincial or territorial guidance.