What is your responsibility to pay taxes?

Your responsibility to pay taxes rests on the Canadian principle of voluntary self-assessment, set out in the Income Tax Act and supported by the Canada Revenue Agency. Unlike systems where the government calculates tax liability from outside data, Canadian residents are personally responsible for calculating their own income, applying credits, and remitting the right amount to the Crown. The system relies on each person's honesty backed by random and risk-based audits. Discover Canada lists paying taxes as one of the core responsibilities of citizenship.

The civic case for taxation is intergenerational and collective. Canadian income taxes (introduced as a 'temporary' wartime measure in 1917 under the Income War Tax Act) fund the universal services that define Canadian life: Medicare under the Canada Health Act of 1984, the Canada Pension Plan and Old Age Security retirement system, Employment Insurance, the Canada Child Benefit, public schools and universities, the Canadian Armed Forces, the Royal Canadian Mounted Police, and federal transfers that support poorer provinces through Equalization. The 1991 Reference re Canada Assistance Plan Supreme Court decision affirmed that federal-provincial fiscal transfers are constitutionally permissible.

Newcomers have specific responsibilities tied to immigration status. Permanent residents, work-permit holders, and study-permit holders who become resident for tax purposes (typically by establishing significant residential ties such as a home, spouse, or dependants in Canada) must file Canadian tax returns and report their worldwide income. The Social Insurance Number (SIN), issued by Service Canada, is the universal identifier for tax filing, employment, and federal benefits. Newcomers should apply for a SIN immediately on arrival. Tax treaties (Canada has about 95 active tax treaties) prevent double taxation on income earned in another country.

Beyond income tax, every Canadian pays consumption taxes (the federal Goods and Services Tax of 5 per cent, the Harmonised Sales Tax in Ontario and most Atlantic provinces, or provincial sales taxes elsewhere); property tax (paid to municipalities based on assessed home value); payroll deductions (Canada Pension Plan contributions split equally with employers, Employment Insurance premiums on insurable earnings up to a maximum); excise taxes on tobacco, alcohol, and fuels; and import duties on goods brought into Canada. The Canadian tax filing season opens in February each year, with most returns due April 30 (June 15 for self-employed Canadians). The CRA's My Account portal lets individuals track filings, refunds, and benefit eligibility online.