GIS Decoded
Canada's Guaranteed Income Supplement, in plain English

GIS vs OAS, CPP and the Allowance

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Four federal programs are constantly confused with each other. They stack together, but they are not the same benefit, and qualifying for one does not automatically qualify you for another.

ProgramWhat it isWho it is forKey figure (Oct–Dec 2026)
OAS pensionThe base pension, based on age and years in Canada65+, 10+ years in Canada after 18Up to $762.50/month (65–74); $838.75 (75+)
GISIncome-tested top-up on top of OAS, not taxable65+, receiving OAS, living in Canada, low incomeUp to $1,138.90/month (single)
CPP (QPP in Quebec)Contributory pension, based on earnings and contributionsContributors, from age 60Counts in full in the GIS income test
AllowanceBenefit for the 60–64 spouse of an OAS/GIS recipient60–64, spouse receives OAS and GIS, living in CanadaUp to $1,448.06/month

OAS: the foundation GIS sits on

You cannot receive GIS without OAS, and you cannot defer OAS and receive GIS at the same time. OAS itself is taxable and, at higher incomes, subject to the recovery tax (the "clawback"); GIS is neither. For the full OAS story — residence rules, deferral to 70, the 10% increase at 75, and the clawback thresholds — see CPP & OAS Decoded, the companion site to this one, which this site deliberately does not duplicate.

CPP: the pension that reduces GIS

CPP is earned by contributions from work; GIS is not earned, it is income-tested. The interaction matters: every dollar of CPP counts in the GIS income test, so a senior with a large CPP pension may receive little or no GIS, while a senior with a small CPP pension may receive a large GIS payment. That is the system working as designed — CPP rewards a working life, GIS guarantees a floor — but it surprises people who expect the two to simply add up. In Quebec, the QPP plays exactly the same role; Retraite Quebec publishes QPP figures.

The Allowance and the Allowance for the Survivor

The Allowance is for people aged 60 to 64 whose spouse or common-law partner receives OAS and GIS; the Allowance for the Survivor is for widowed people aged 60 to 64. Both are non-taxable, both are income-tested on combined income, and both end at 65, when the recipient moves onto OAS and, if eligible, GIS. The Allowance maximum for October to December 2026 is $1,448.06 a month (combined income less than $42,768). If you are 60 to 64 and your spouse does not receive GIS, the Allowance is not your benefit — check with Service Canada rather than assuming.

One household, several programs. A typical low-income senior household may receive OAS plus GIS for the older partner and the Allowance for the younger partner, plus a small CPP pension, all at once. The programs are assessed together on combined income, so a change in any one of them — a CPP increase, a birthday, a spouse turning 65 — can change the others. Report changes once, to Service Canada, and ask how they affect the whole household, not just one benefit.
General information only. This page explains the Guaranteed Income Supplement in plain English. It is not legal, financial, or tax advice, and it cannot decide whether you qualify. Only Service Canada can decide a claim. Rates and rules change over time — the figures here are for October to December 2026 unless another period is stated — so always confirm the current position with Service Canada or Canada.ca before you act on it. Contact: hello [at] tapetoolhq.com.