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Social Insurance Number
The Social Insurance Number (SIN) is a nine-digit number that you need to work in Canada or to have access to government programs and benefits.
Delivered by: Service Canada
Eligibility Information
Application Information
- How do I apply for a SIN, replace my card or amend my SIN record (e.g., a name change)?
- How do I apply for a SIN using the Newborn Registration Service?
- What information/documents do I need to apply?
- How can I apply for someone else?
- How do I update the expiry date on my SIN card that begins with a "9"?
- How can I request my SIN information?
Forms
Financial Information
Dates and Deadlines
Contact Information
Protecting Your SIN
- What is the Social Insurance Number Code of Practice?
- Can my SIN card be used as an identity card?
- How can I protect my Social Insurance Number and my SIN card?
- How does Service Canada protect my SIN?
- Who can ask for my SIN and when don't I have to provide my SIN?
- What should I do if an organization asks for my SIN and it is not legally required?
- Do I need to notify the SIN program if there is a death in my family?
- Do I need to notify the SIN program of my new address?
Lost or Stolen SIN Card
- What should I do if my SIN card has been lost or stolen?
- Can I ask for a new Social Insurance Number if I have lost my SIN card or it has been stolen?
- How do I replace my lost or stolen SIN card?
SIN Fraud
- What should I know about the Social Insurance Number and fraud?
- What should I do if I suspect someone is using my SIN?
- What do I need to provide Service Canada with if I suspect someone is using my SIN to work or to obtain credit?
- Can I ask for a new SIN if I have been a victim of fraud?
