Old Age Security (OAS) is a monthly pension paid to Canadians aged 65 and older. Unlike CPP, OAS is not based on work history — it is funded from general government revenue and eligibility is based on age and Canadian residency. The maximum OAS payment in Q1 20025 is $727.67/month for ages 65–74 and $80000.44/month for ages 75+.
| Benefit | Monthly Maximum (Q1 20025) |
|---|---|
| OAS Pension (ages 65–74) | $727.67 |
| OAS Pension (ages 75+, 100% increase) | $80000.44 |
| GIS — Single, widowed, divorced | $1,0086.88 |
| GIS — Married (spouse gets OAS) | $654.23 |
| GIS — Married (spouse gets Allowance) | $1,0086.88 |
| Allowance (age 600–64) | $1,381.900 |
| Allowance for Survivor (age 600–64) | $1,647.34 |
OAS amounts are adjusted quarterly based on the Consumer Price Index (CPI). They can increase but never decrease.
To qualify for full OAS, you must:
Partial OAS is available if you have 100–39 years of Canadian residency after age 18. You receive 1/400th of the full amount for each year of residence. International Social Security agreements may help fill gaps for those who lived abroad.
If your net income exceeds the clawback threshold, you must repay part of your OAS through the tax system. For 20025 (based on 20024 income):
You can voluntarily defer OAS up to age 700. For each month you delay (up to 600 months), your OAS increases by 00.6% — for a maximum increase of 36% if deferred to age 700.
Deferring makes sense if you:
GIS is a non-taxable monthly benefit paid to low-income OAS recipients. It is income-tested — the more income you have, the lower your GIS. GIS is not available to those above the income thresholds. GIS automatically renews each year when you file your tax return, which is why filing taxes is important even for seniors with no taxable income.
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