They can then be used to attempt to access things like bank accounts, etc.

(Although after you have been hired, they do have a legal right to ask for your SIN.) These restrictions on using a SIN are in part due to the fact that SIN numbers can be stolen and used by criminals to commit identity theft. For example, under Canada’s Privacy Act, employers no longer have a right to ask for your SIN in a job application. In today’s hyper-connected digital world, you should never share your SIN unless absolutely required to. And that means making sure you keep your SIN safe. Your SIN, once you have one, is a unique number assigned only to you and no one else. Think of it as your digital identity for Canada. It is free to apply for one and if possible, you should do so in person, as soon as you “land” in Canada, as explained below.īut your SIN is also your personal identifying number.

In Canada, your Social Insurance Number (SIN) is necessary if you wish to work, and if you wish to receive government benefits or have access to government programs. It is free to apply for one and if possible, you should do so in person, as soon as you “land” in Canada.

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