This is just an example for educational purposes. Don't use these numbers for anything ever.
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.
A Social Insurance Number (SIN) is a special identification number issued by Service Canada to Canadian citizens and residents. A SIN is a vital part of everyday living in Canada, especially since most services require a SIN. For example, to apply for a Canadian passport, or to apply for employment in Canada, a SIN is required. Canadian Law dictates that anyone applying for a SIN must demonstrate that they are a legal Canadian resident/citizen.