Canada Social Insurance Number (SIN) for Pakistani Students (2026)

What is a SIN, and why does a student need one?

The SIN is the number Canada uses to track employment income and government benefits. Employers ask for it so they can report your pay. The government uses it so your tax records belong to you and nobody else.

For international students the rule is blunt. IRCC's page on working off campus as a student lists having a social insurance number as one of the conditions for working without a separate work permit. The page on working on campus says the same thing. No SIN means no job, even if your permit allows work and a manager has offered you shifts.

That is why the number matters before the first day at a campus cafe, a library desk or a teaching assistant post. A student who lands in September and waits until November to apply will often miss the first months of earnings, and for a family in Lahore planning a monthly budget, those months count.

What the SIN does not do

• The SIN does not give you the right to work. Your permit conditions do. The University of Waterloo makes the point clearly: just having a SIN does not mean you are automatically eligible to work in Canada.
• Think of it as separate from your visa: it is not a visa document, and no one will ask for it at the airport.
• Nor is it an identity card. Do not carry the paper letter around.

Which Pakistani students can get a SIN?

Any international student whose study permit allows work. The Service Canada page on how to apply for a SIN accepts a study permit as the primary identity document as long as it says the holder may accept employment or may work in Canada. If your permit does not say so, you must fix that first.

In practical terms, that covers students at a designated learning institution who are in a post-secondary program and have been granted the work condition. If you are still checking whether your school is on the list, read our guide to the designated learning institution check before you pay a deposit.

When the answer is no

You cannot get a SIN for work purposes on a permit that has no work wording, and you cannot work before your study program begins. IRCC's on-campus page says plainly that you can only start working in Canada when you start your study program. That includes the weeks you spend at orientation if your program has not yet officially started.

What must your study permit say?

This is the step that traps people. IRCC's off-campus page says that to apply for a SIN your permit must carry one of two conditions. Their wording is: "May work 24 hours per week off campus or full-time during regular breaks," or "May accept employment on or off campus." If the permit lists 20 hours, IRCC says you may work up to 24 hours per week as long as you meet the eligibility conditions.

If the line is missing

IRCC says you can ask for the conditions to be added at no fee, and you must do that before you apply for a SIN. McGill University says the same in its student guide: if the work remarks are missing, request the amendment and then apply to Service Canada. Do not wait until you have a job offer. Check your permit on arrival, line by line, and keep a photo of it on your phone.

Co-op students

If your program has a compulsory work term, the rules changed in April 2026. We explain what changed, and what you still need on your permit, in our article on the co-op work permit change.

What documents do you need?

Service Canada asks for two documents. The primary one is your study permit with the work wording. The secondary one can be a passport, Canadian provincial or territorial ID or driver's licence, or other Canadian government-issued ID. For a Pakistani student who has just arrived, the passport is the natural choice.

• All documents must be valid and not expired.
• Online, you upload digital copies of the originals. They must be clear and legible and in English or French.
• If your name differs between documents, bring a supporting document that explains it. Waterloo advises this explicitly.

Pakistani passports sometimes show a single name or a name order that differs from your degree certificates. The SIN will follow your immigration documents, so make sure the spelling you type in the form matches the permit exactly.

How do you apply: online, by mail or in person?

There are three routes, and they differ in speed and risk.

Which should a new arrival choose?

Most students find that the choice depends on the first week. If your university runs an on-campus SIN clinic, use it: staff check documents on the spot. McGill suggests applying online through the Service Canada website. If you have a day free and your permit is clean, an in-person visit can end with the number in your hand. Mail is the route we would avoid, because your original permit and passport are the two documents you can least afford to lose in a new country.

Step by step

1. Land in Canada and check your study permit for the work wording.
2. If the wording is missing, request an amendment first.
3. Scan or photograph your permit and passport clearly.
4. Apply online, in person or at an on-campus clinic.
5. Save the SIN letter and the number when it arrives.
6. Give the number to your employer through the payroll form, not by text message.

Does a SIN cost anything?

No. The Service Canada page says there is no fee to apply for a SIN, and Waterloo repeats that the application is free. Anyone charging you to apply is charging for something you can do yourself.

The costs sit around the SIN, not in it. A courier fee for sending documents, a photocopy at the library, a bus fare to the nearest Service Canada centre. Budget a small sum, and see our guide to the monthly cost of living in Canada for the larger picture.

Why does a student SIN start with 9?

Service Canada's page for temporary residents says that SINs issued to temporary residents always start with 9. McGill says the same to its students.

The SIN expires on the same date as your study permit. The page states that your SIN expires on the same date your work permit, study permit or visitor record expires, and Waterloo adds that a SIN will not be issued for longer than the permit. That is why a SIN that looks valid can quietly lapse the day your permit does.

What a 9 prefix means for your first job

• The expiry date on your SIN confirmation is tied to your permit, so note it down when the letter arrives.
• A new permit means an updated SIN record, with the same number.
• If your SIN and permit dates do not match, fix the record before the job continues.

How many hours can you work once you have it?

The SIN does not set your hours. Your permit conditions do. As of 8 October 2026, IRCC's off-campus work page says eligible students can work up to 24 hours per week off campus during regular terms, with no hour limit during scheduled breaks.

McGill's student guide adds some practical detail. The limit applies to any given week, so you cannot average hours across a month. To work full-time during a break you must be enrolled full-time before and after it, and a summer term may not count as a regular break, so check with your department. IRCC's on-campus page says there is no cap on on-campus hours, as long as you are eligible.

Treat these figures as a snapshot. IRCC has changed the weekly limit before, and your own permit wording is the final word. Our longer guide to part-time work in Canada explains the rules in more depth.

What happens when your permit is extended?

You do not get a new SIN. You extend the one you hold. Service Canada says you must keep your SIN record up to date so it matches your current permit, and that once your SIN is extended you should destroy the old confirmation, which is no longer valid.

The page also gives an important comfort for students waiting for a decision: if your SIN expires while you are waiting for a permit extension decision, you can continue working with the expired SIN until IRCC makes a decision, provided you maintain your status. Once IRCC authorises you to keep working, apply to Service Canada with the new document, because the expiry date on your SIN record and your immigration document must match.

The permit side of that story is in our guide to extending a study permit from inside Canada. Apply for the extension early and diarise the SIN update the day the new permit arrives.

How do you protect your SIN?

Service Canada says your SIN is confidential and you are responsible for protecting it. That line is short, but it carries weight. A SIN in the wrong hands can be used to open accounts or file false returns in your name.

• Give it to your employer through payroll paperwork, not in a chat group.
• Do not post a photo of the confirmation letter online.
• Be suspicious of any call, message or email that threatens you with arrest or deportation unless you read out your SIN. A real employer or government office does not work that way.
• Store the letter somewhere safe and keep the number in a password manager rather than a note called "SIN".

If you suspect misuse, speak to your university's international student office and to Service Canada.

SIN, study permit, SIN letter and work permit compared

What goes wrong most often?

Applying with a permit that has no work wording

The application will not succeed, and time is lost. Fix the permit first.

Typing the name differently from the permit

The form must match your primary document. A father's name added by habit, or a spelling taken from a degree certificate, creates a mismatch that delays everything.

Making an error and trying to edit

Service Canada says that if you make a mistake or forget a document you cannot edit your application and must submit a new one with all the required documents. Check every field before you press submit.

Mailing originals

Service Canada says documents are returned by mail and that it is not responsible for those lost in the mail. A study permit is not a document to post.

Starting work before the program starts

IRCC says you can only work once your program begins. A manager who says "start next week" does not change that.

Letting the SIN lapse

Because it expires with your permit, a forgotten update can interrupt your pay. Put the permit expiry date in your phone calendar with a reminder three months ahead.

A realistic timeline with dates

Here is a hypothetical student so you can see the order of events. Sara from Lahore starts a bachelor's program at a Canadian university on 8 September 2026.

• Late August 2026: she lands in Toronto. On the first evening she checks her study permit and finds the line "May accept employment on or off campus".
• First week of September: orientation. Her university runs a SIN clinic. She brings her original permit and passport.
• 8 September: classes begin. Her program has now started, so she is allowed to work.
• Mid September: she receives her SIN confirmation, which starts with 9 and shows an expiry date that matches her permit. She saves it in a password manager.
• Late September: she gives the number to her campus employer through the payroll form and starts a library shift of a few hours a week.
• Two and a half years later: she diarises the permit and SIN expiry date and starts her permit extension early.

Nothing in that timeline is unusual. The only choices were to check the permit on day one and to apply in week one. If you are still in the planning stage, our guide to biometrics for a Canada study permit covers the steps before you fly.

Key takeaways

Frequently asked questions