Social Insurance Number

To work in Canada or access government programs and benefits, you need a 9-digit number known as a Social Insurance Number (SIN).

Your SIN is private and it is illegal for anyone else to use it. You are responsible for protecting your SIN.

Service Canada is responsible for issuing SINs, which comes in a paper format (Confirmation of SIN letter). If you have a plastic SIN card that has not expired, it is still valid.

What do I do if my SIN is lost or stolen?

If you’ve lost a SIN card or confirmation letter, Service Canada will not replace the Social Insurance Number they will reissue a confirmation letter. The only time they will give you a new number, is if you can prove that your SIN was stolen or being used in identity theft…

What documents do I need to apply for a Social Insurance Number (SIN)?

When you apply for a SIN you need to show certain documents. The documents you need depend on your status in Canada…

How do I get a Social Insurance Number (SIN)?

To get a Social Insurance Number (SIN), you have to fill out an application. You also need to collect some documents to submit with your application…