What Is the Guaranteed Income Supplement (GIS)?

Old Age Security (OAS) is not the only federal payment available to Canadians aged 65 and older. Seniors with lower incomes may also qualify for the Guaranteed Income Supplement (GIS), which adds another monthly payment to their OAS pension. The GIS is a tax-free, income-tested benefit for eligible OAS pensioners who live in Canada. You do not build up GIS through employment or contributions. Instead, eligibility and payment amounts depend mainly on your income, marital status and whether you meet the program’s other requirements.

Contents

GIS Is an Extra Payment on Top of OAS
Your Income Determines How Much GIS You Can Receive
GIS Is Reviewed Each Year
GIS Arrives With Your OAS Payment
GIS Is Tax-Free, but It Still Appears on Your Tax Return
GIS Can Change When Your Household Situation Changes
GIS Is Not a Contributory Pension
How Do You Get GIS?
Other Questions About the Guaranteed Income Supplement

GIS Is an Extra Payment on Top of OAS

The easiest way to understand GIS is through its connection to Old Age Security. OAS is the underlying pension, while GIS provides additional income to OAS recipients with low incomes.

You cannot receive GIS on its own without qualifying for OAS. Under the current GIS eligibility requirements, you generally need to be at least 65, receive OAS, live in Canada, have income below the applicable threshold and not be under a sponsorship agreement. There are specific exceptions to the sponsorship restriction.

The two benefits also have different tax treatment. OAS is taxable income, whereas GIS payments are not considered taxable income. That difference becomes particularly important when estimating how much retirement income you will actually keep.

Your Income Determines How Much GIS You Can Receive

GIS is targeted rather than a fixed payment for everyone. Your amount depends on your income from the previous year and your marital status. For a married or common-law person, the calculation generally considers the couple’s combined income.

For July to September 2026, a single, divorced or widowed person must have annual income below $22,800 to qualify and can receive up to $1,123.17 per month. A person whose spouse or common-law partner receives the full OAS pension must have combined annual income below $30,096, with a maximum GIS of $676.09 per month. Different limits apply when a partner receives the Allowance or does not receive OAS or the Allowance. The current GIS amounts and income thresholds change as payment rates are updated, so these 2026 figures should not be treated as permanent.

The maximum is not what every eligible person receives. As relevant income rises, GIS generally falls until the applicable income limit is reached. A separate explanation of how GIS is calculated is more useful when you need to estimate the effect of a particular income level rather than simply understand the program.

GIS Is Reviewed Each Year

A GIS amount can change even when the recipient remains eligible. Benefits are reviewed annually using information from the federal income tax return, and the new July-to-June payment period generally reflects income from the previous calendar year. A change in retirement income can therefore affect a later GIS payment period.

Filing a tax return on time is particularly important for GIS recipients. The annual review uses tax-return information to determine continued entitlement, and failing to file can cause payments to be interrupted. Even someone with little or no taxable income should not assume there is no reason to file while receiving GIS.

There is an important exception when current income has fallen because of retirement or because another pension benefit has decreased or stopped. In those circumstances, the benefit may be determined using an estimate of current-year income instead of simply waiting for the previous year’s lower income to flow through the normal annual review. That is worth raising with Service Canada when retirement causes a sudden income drop.

GIS Arrives With Your OAS Payment

GIS is not normally deposited as a separate monthly payment. It is added to the recipient’s OAS pension, so the two amounts arrive together.

The combined deposit can make it easy to forget that OAS and GIS are separate benefits governed by different rules. Someone looking at a bank statement may see one payment even though part is taxable OAS and another part is tax-free GIS.

Payment rates can also move during the year. OAS program benefits, including GIS, are reviewed for inflation in January, April, July and October. Payments can increase when the Consumer Price Index rises, while the benefit rates do not decrease when the cost of living falls.

GIS Is Tax-Free, but It Still Appears on Your Tax Return

Calling GIS tax-free does not mean it disappears from tax reporting. GIS received during the year appears on the T4A(OAS) slip and is reported on the federal tax return. A corresponding deduction prevents the benefit from being included in taxable income under the applicable tax rules.

That treatment is different from simply saying the payment never appears on a return. For someone trying to understand the filing mechanics, how GIS is treated for tax purposes deserves separate attention because the reporting and taxation questions are not identical.

GIS Can Change When Your Household Situation Changes

Income is not the only personal detail that matters. Marriage, entering a common-law relationship, separation, divorce or the death of a spouse can change the category used to determine GIS entitlement and payment amounts. Recipients should report those changes rather than waiting for the next annual tax-return review.

Couples who must live apart for reasons beyond their control, such as when one spouse moves into long-term care, can also face different treatment. The GIS rules allow for the possibility of a higher benefit in this situation, subject to the applicable requirements.

For a spouse or common-law partner who is only 60 to 64, GIS itself is not the applicable benefit. An eligible younger partner may instead qualify for the Allowance, which is another benefit within the OAS program.

GIS Is Not a Contributory Pension

One misconception worth clearing up is that GIS is something a worker earns through payroll deductions. It is not part of the Canada Pension Plan contribution system, and the number of years you worked does not create a GIS entitlement.

Instead, GIS sits within the OAS program and is based on financial need and the program’s eligibility rules. That means a person can have a long employment history and receive no GIS because their income is too high, while another eligible OAS recipient with much lower income may qualify for a substantial monthly supplement.

We think this is the most useful way to separate Canada’s major senior benefits mentally: CPP is tied to contributions, OAS is primarily tied to age and Canadian residence, and GIS adds income-tested support for lower-income OAS recipients. Keeping those three roles separate prevents a lot of confusion when retirement payments begin arriving.

How Do You Get GIS?

Some people are automatically enrolled when the government already has enough information to determine their eligibility. If automatic enrolment does not occur, an application may be required. The steps are covered separately in how to apply for GIS.

Once payments begin, keep filing your tax return by the annual deadline and report relevant changes in income or marital status. Checking your entitlement again after retirement, a major income reduction or a change involving your spouse can also prevent you from relying on an outdated GIS amount.