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How old do you have to be to get a SIN number?

Author

Sophia Bowman

Updated on March 17, 2026

How old do you have to be to get a SIN number?

Eligibility. If you are a Canadian citizen, a permanent resident or a temporary resident, you need a Social Insurance Number (SIN) to work in Canada or to receive benefits and services from government programs. Children who are 12 years of age or older may apply for their own SIN.

Hereof, how do I get a SIN card for my child?

Get a Social Insurance Number (SIN) for Your ChildTo get a SIN, you can: Apply Online. Download the SIN Application and return the completed application, along with required documents (originals only; photocopies are not accepted) by mail or in person to any Service Canada Centre.

Likewise, how long does it take to get a sin? For mail applications, you will receive your SIN Number within 20 days from the receipt of your application.

Then, how do you get a SIN number?

  1. Get an application form online or from your local Service Canada Centre.
  2. Fill it out.
  3. Collect the documents you need.
  4. Take your application and documents to your local Service Canada Centre.

Who can ask for social insurance number?

Do not give your Social Insurance Number (SIN) number out to just anyone! It is a confidential number. Some government organizations or private businesses ask for the SIN because it is a simple way to identify you. Many use it as a client account number so that they don't have to set up their own numbering system.

What documents do I need for SIN number?

To apply for a Social Insurance Number (SIN), request confirmation of your SIN or to amend your SIN record, you must provide 2 documents:
  • a valid primary document that proves your identity and legal status in Canada; and.
  • a valid secondary document to confirm your identity.

Can I get my SIN number online?

To get a SIN, you can: Apply Online. Download the SIN Application and return the completed application, along with required documents (originals only; photocopies are not accepted) by mail or in person to any Service Canada Centre.

Can a parent apply for a child's SIN number?

Children who are 12 years of age or older may apply for their own SIN. Parents and individuals who are legally authorized to act on behalf of the applicant (for example, a legal guardian or legal representative) can also apply for a SIN for children under the age of majority in their province, and adults in their care.

Where can I find my child's Social Security number?

If you had your child as a dependent on a previous tax return, you can find their SS number there. Otherwise, you need to Contact the Social Security Administration at www.ssa.gov.

How do I obtain my child's Social Security card?

This process requires you to do three things:
  1. Complete Form SS-5 (Application for Social Security Number) and provide both parents' Social Security numbers on the form.
  2. Provide at least two documents proving your baby's age, identity, and citizenship status.
  3. Provide proof of your own identity.

Do I need a sin to open a bank account?

The Income Tax Act requires banks to ask you for your Social Insurance Number (SIN) when you open an interest-bearing account, so the bank can report your interest income to the government. Other accounts, however, can be opened without your SIN.

Does my child need a social insurance number?

Children do not need a SIN unless they will earn money from a job or from an investment in their name. For example, if your child has a Registered Education Savings Plan (RESP), your child might need a SIN. However, if your child is eligible for a SIN, you can apply for one so that it will be ready when they need it.

How do I get a Social Security number for my child?

How to Apply for a Social Security Number
  1. Complete Form SS-5 (Application for Social Security Number) and provide both parents' Social Security numbers on the form.
  2. Provide at least two documents proving your baby's age, identity, and citizenship status.
  3. Provide proof of your own identity.

Can I get a new sin?

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. Visit your local Service Canada Centre.

What is your SIN number used for?

Your SIN can be used to steal your identity. Along with other personal information, someone may be able to use your SIN to: apply for a credit card or open a bank account, rent vehicles, equipment, or accommodation in your name, leaving you responsible for the bills.

How long is a social insurance number?

The SIN is formatted as three groups of three digits (e.g., 123-456-789). The top of the card has changed over the years as the departments that are responsible for the card have changed: Manpower and Immigration. Employment and Immigration Canada.

Can you work without a SIN number in Canada?

Yes you can work without a SIN in Canada. Go to a Service Canada organization & they will tell you, “the SIN is a voluntarily option & is required to receive benefits from CANADA.” If you want benefits, being the key word, get a SIN. If not, ask for a Tax Number that you can give to your employer.

How do I renew my SIN number?

To renew your SIN when it expires, you must visit a Service Canada Office.

Bring Identifying Documents

  1. Citizenship and Immigration Canada work permit.
  2. CIC study permit.
  3. CIC visitor record.
  4. Diplomatic identity card and note of permission of employment from Foreign Affairs, Trade and Development Canada.

What do Canadian SIN numbers start with?

Military identification, including ID cards and identity discs were marked with the SIN during this period. Social Insurance Numbers that begin with the number "9" are issued to temporary residents who are not Canadian citizens or permanent residents (e.g., foreign students, individuals on work visas).

Where do I apply for sin?

How do I get a Social Insurance Number (SIN)?
  • Get an application form online or from your local Service Canada Centre.
  • Fill it out.
  • Collect the documents you need.
  • Take your application and documents to your local Service Canada Centre.

Who can apply for sin?

Eligibility. If you are a Canadian citizen, a permanent resident or a temporary resident, you need a Social Insurance Number (SIN) to work in Canada or to receive benefits and services from government programs. Children who are 12 years of age or older may apply for their own SIN.

Does sin number change after permanent resident?

Your SIN it's not in your PR card nor WP. It's your inmigration client number, and it doesn't change ever. Just go right away to Service Canada and get a PR SIN, a piece of paper, notify it to your employer, former employers and banks.

Can you do a credit check without a SIN number?

A SIN is not required for a credit check. Your SIN can also be used to identify you as a Temporary Foreign Worker (TFW) and refugee.

Can someone access my bank account with my Social Security number?

Short answer: No. Simply knowing the number isn't helpful. They'd need a physical copy of your social security card to get anywhere.. and then they'd also need a state ID or passport. With that (and knowing your mother's maiden name), they could open a separate bank account in your name.

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