Interest earned on a Guaranteed Investment Certificate is taxed as ordinary income in Canada, so the GIC tax rate in Canada is simply your marginal tax rate. For 2026, federal rates run from 14% to 33% depending on your total income, and provincial tax stacks on top. There is no preferential treatment: every dollar of GIC interest is added to your income and taxed like a paycheque, which is why the account you hold the GIC in usually matters more than the rate on the certificate itself.
Why GIC Interest Gets No Tax Break
Two other kinds of investment income are taxed more gently, and comparing them shows why GIC interest hurts.
Capital gains on assets like stocks or real estate are only partially taxable. For individuals, the inclusion rate is 50% on the first $250,000 of annual capital gains, rising to two-thirds on amounts above that threshold starting January 1, 2026.1Canada.ca. Government of Canada Announces Deferral in Implementation of Change to Capital Gains Inclusion Rate Eligible dividends from Canadian corporations use a gross-up and tax credit system that accounts for corporate tax already paid on the earnings.2Canada Revenue Agency. Federal Dividend Tax Credit – Personal Income Tax
GIC interest gets neither. If your GIC earns $2,000, the full $2,000 goes on your return and is taxed at your top marginal rate. That is the core disadvantage of a GIC held in a taxable account.
2026 Federal Tax Brackets
Because your GIC interest is layered on top of your other income, the rate that applies is the bracket your last dollar falls into. The federal government reduced the lowest bracket rate from 15% to 14% effective July 1, 2025, and 14% applies for all of 2026.3Canada.ca. Delivering a Middle-Class Tax Cut
- $58,523 or less: 14%
- $58,523 to $117,045: 20.5%
- $117,045 to $181,440: 26%
- $181,440 to $258,482: 29%
- Over $258,482: 33%
Provincial and territorial income tax applies on top.4Canada Revenue Agency. Tax Rates and Income Brackets for Individuals Combined top marginal rates vary by province, running roughly from the mid-40s to over 50%. A worked example: if you earn $100,000 from work and your GIC pays $3,000 in interest, that $3,000 sits in the 20.5% federal bracket, and you add your provincial rate on top of that.
The Account Type Changes Everything
In a regular non-registered account, GIC interest is taxable each year as it accrues.5Canada Revenue Agency. Line 12100 – Interest and Other Investment Income Registered accounts change that answer entirely.
Tax-Free Savings Account
GIC interest earned inside a TFSA is completely tax-free while it grows and when you withdraw it, regardless of your income.6Canada Revenue Agency. What Is a TFSA The 2026 contribution limit is $7,000.7Canada Revenue Agency. Calculate Your TFSA Contribution Room Because interest is taxed at the highest effective rate of any investment income, a TFSA shelters a GIC more efficiently than it shelters a dividend-paying stock, which already gets preferential treatment.
Registered Retirement Savings Plan
GIC interest inside an RRSP grows tax-deferred. No tax is owed while the money stays in the plan, but every dollar you eventually withdraw is taxed as income.8Canada Revenue Agency. Registered Retirement Savings Plan (RRSP) The benefit depends on your tax rate at withdrawal being lower than your rate when you contributed. Earn a high salary now and expect a modest pension later, and the deferral works in your favour.
First Home Savings Account
The FHSA combines features of both. Contributions are tax-deductible like RRSP contributions, and qualifying withdrawals used to buy a first home come out tax-free, including any interest earned inside the account.9Canada.ca. Withdrawals and Transfers Out of Your FHSAs The annual limit is $8,000 with a lifetime cap of $40,000.10Canada Revenue Agency. Participating in Your FHSAs If a withdrawal doesn’t meet the qualifying conditions, the full amount is taxable in that year.
Reporting the Interest on Your Return
Your financial institution reports GIC interest on a T5 Statement of Investment Income, due by the last day of February following the calendar year.11Canada Revenue Agency. Due Date The figure you need is in Box 13, “Interest from Canadian sources,” and it goes on line 12100 of your return.12Canada Revenue Agency. T5 Statement of Investment Income – Slip Information for Individuals
One trap. Institutions do not have to issue a T5 if the total interest paid to you for the year is less than $50.13Canada Revenue Agency. When Do You Have to Prepare a T5 Slip You still owe tax on that interest and still have to report it. Relying only on slips you receive in the mail is a common quiet mistake.
Multi-Year and Market-Linked GICs
Locking in a five-year compound GIC does not defer the tax bill for five years. You must report interest earned during each complete investment year, measured from the anniversary of the purchase date, even if none of it is paid to you until maturity.5Canada Revenue Agency. Line 12100 – Interest and Other Investment Income A GIC bought on March 15, 2024 has each March-to-March year of accrued interest reported on the return for the year that anniversary falls in. Your institution usually handles the math and issues a T5 for the accrued amount. If the T5 figure surprises you, ask the institution before overriding it, because the CRA sees the same number.
Market-linked GICs tie the return to the performance of a stock index or basket of assets, but the CRA still treats the variable return as interest, not capital gains. Any guaranteed minimum portion is reported annually. The market-linked portion is only known at maturity, so it is reported in the year the GIC matures. That can drop a large lump of interest into a single tax year and push you into a higher bracket. Worth thinking about before maturity if the GIC is held outside a registered account.
Quarterly Instalments May Be Required
If your GIC portfolio is large enough, the CRA can require you to pay tax in quarterly instalments instead of settling up at filing time. You must pay instalments for 2026 if your net tax owing exceeds $3,000 in 2026 and also exceeded $3,000 in either 2025 or 2024. The threshold is $1,800 for Quebec residents.14Canada Revenue Agency. Who Has to Pay – Required Tax Instalments for Individuals This tends to catch retirees with large non-registered GIC holdings and no employer withholding to cover the tax. Missing instalment deadlines triggers interest charges of their own.
Non-Residents
Non-residents of Canada earning GIC interest are subject to different rules. The standard Part XIII withholding rate is 25%, but interest paid to an arm’s-length party is generally exempt from Canadian withholding tax, and tax treaties can reduce the rate further.15Canada Revenue Agency. Non-Residents of Canada Canadian payers report the income on an NR4 slip rather than a T5.16Canada.ca. NR4 – Non-Resident Tax Withholding, Remitting, and Reporting
When the GIC Holder Dies
Accrued interest does not vanish at death. Interest earned from January 1 of the year of death through the date of death is reported on the deceased’s final return on line 12100.17Canada Revenue Agency. Prepare Tax Returns for Someone Who Died – Investment Income Interest the GIC earns after the date of death belongs to the estate and is reported on a T3 trust return.