How to Apply for Old Age Security 2026

Everything you need on how to apply for Old Age Security in 2026 — starting with the part most guides bury: the majority of Canadians are enrolled automatically and never apply at all. Here is how to tell which group you are in, and what to do if you want to delay.

Last updated: July 2026 · Service Canada · 2026

When You Can Apply

OAS starts at 65 — there is no early option, unlike CPP which can begin at 60. To qualify while living in Canada you must be a Canadian citizen or legal resident when your application is approved, and have lived in Canada at least 10 years since turning 18. If you live outside Canada, you must have been a citizen or legal resident the day before you left, with at least 20 years of residence since 18.

Most people never fill in a form. If Service Canada already holds enough information, you receive an enrolment letter around your 64th birthday telling you that you are enrolled automatically. If a month has passed since your 64th birthday and no letter has arrived, contact Service Canada to find out whether you need to apply — silence is not confirmation.

You do need to take action if any of these apply: the letter you received contains incorrect information; Service Canada sent a letter asking you to apply; you want to delay or change your start date; or you have turned 65 without either starting your pension or formally delaying it.

Two Ways to Apply

1. Online, through My Service Canada Account (MSCA). Register or sign in to MSCA, confirm you qualify and that you have chosen a start date, and complete the application from your OAS dashboard. This is the standard route for anyone living in Canada.

2. On paper, by mail. Required if you are applying from outside Canada — send the application to the Service Canada office in the province or territory where you last lived. It is also the fallback where an online application is not possible.

🔗 Start here: Apply for Old Age Security — official Service Canada page. It opens the online application, links the paper form for applicants outside Canada, and confirms whether you are enrolled automatically before you begin.

Whichever route you take, sign up for direct deposit at the same time. Without it a cheque is mailed during the last three business days of each month, which can put your money days behind the official payment date. Direct deposit can be set up in MSCA under “Profile” then “Manage my payment destination”, and works for accounts in Canada, the United States and other participating countries.

Delaying on purpose. Deferring past 65 raises your pension 0.6% for every month you wait, to a maximum of 36% at 70 — but it is a decision you must communicate, not something that happens by default. If you qualify for the Guaranteed Income Supplement, do not defer: GIS is only paid alongside an active OAS pension, so waiting costs you the supplement entirely.

Documents You Need

Have these ready before you open the application:

Your spouse or common-law partner’s details if you have one — Social Insurance Number and date of birth
Where you have lived since age 18, including the countries and dates — this is what determines a full versus partial pension
The date you want your pension to start
Residence history for the last 2 years, for you and your partner
Income information for the last 2 years if you have not filed taxes with the CRA
Details of any reduction in employment or pension income in the last 2 years
Any income earned in another country
Your banking information for direct deposit

One ongoing requirement outlives the application: you must file a tax return every year to keep receiving OAS. Entitlement and the recovery tax are both recalculated from your return, and a missed filing is the most common reason payments stop without warning.

When Your First Payment Arrives

Your first OAS payment comes the month after you turn 65, or on the specific start date you chose if you deferred. After you apply, Service Canada writes to you either asking for more information or with a decision — and the decision letter states the monthly amount, the date of your first payment, and any past payments owed to you.

From there, payments arrive monthly on nationally-set dates, the same twelve dates that CPP uses. If you receive both pensions, they land together.

If Something Goes Wrong

To check your application status, sign in to My Service Canada Account. You can also update your mailing address, telephone number and banking details there — though to change any of it you must first activate notifications by calling 1-800-277-9914 or visiting a Service Canada location, a one-time step. Foreign addresses cannot be changed online at all; that requires a phone call.

If you disagree with the decision, you can request a reconsideration. It must be in writing and within 90 days of receiving your decision letter. That deadline is what usually closes the door, not the original decision.

If you started your pension and want to undo it, you have a narrow window: submit the request in writing within 6 months of receiving your first payment, then repay all benefits received within the following 6 months. Once repaid you may reapply later and receive a higher pension for having waited.

One warning worth stating plainly: false, misleading or omitted information on an OAS application can result in a fine, and interest is charged on penalties and overpayments. Report changes in your circumstances — especially leaving Canada for an extended period — rather than letting an overpayment build up.

Frequently Asked Questions

Do I have to apply for OAS or is it automatic?

For most people it is automatic. If Service Canada has your information you get an enrolment letter around your 64th birthday and need to do nothing. Apply only if that letter never came, if it contains errors, if you were asked to apply, or if you want to change your start date.

What if I never received an enrolment letter?

If it has been more than a month since your 64th birthday and nothing has arrived, contact Service Canada to check whether you need to apply. Do not assume automatic enrolment is in hand — the letter is the confirmation, and waiting silently past 65 simply loses you payments.

Can I apply for OAS from outside Canada?

Yes, using a paper application sent to the Service Canada office in the province or territory where you last lived. You need at least 20 years of residence in Canada since age 18 to receive OAS while living abroad, against 10 years for someone living in Canada.

How do I delay my OAS to get a bigger pension?

Choose a later start date rather than letting the pension begin at 65 — each month of delay adds 0.6%, up to 36% at age 70. Waiting beyond 70 adds nothing. Do not defer if you qualify for GIS, because the supplement stops with the pension.

📋 Verified with official sources: Service Canada — Apply, delay, or change your start date · Service Canada — After you apply · Service Canada — Receiving your pension · Service Canada — Do you qualify

⚠️ This is general information, not financial, tax or legal advice. KnowMyGovt is an independent service with no affiliation with or endorsement by Service Canada, the Canada Revenue Agency or the Government of Canada, and is not responsible for decisions you make based on it.