Changing your sex designation on your birth registration and birth certificate

How to change your sex designation on your birth registration and birth certificates.

To change your sex designation you will need:

Alternative evidence to the required letter as detailed on the application form may be acceptable.

To change your sex designation:

  • your birth must have been registered in Ontario
  • you must be at least 18 years of age

Mail your documents to:

Office of the Registrar General
P.O. Box 3000
189 Red River Rd, 3rd Flr
Thunder Bay, ON  P7B 5W0

What you need to know:

The Human Rights Tribunal of Ontario ordered the Government to cease requiring transgendered persons to have “transsexual surgery” in order to obtain a change of sex designation on their birth registration.  In accordance with the Tribunal’s order, the criteria for changing sex designation on a birth registration have been revised and there is no longer a requirement for “transsexual surgery”. 


6 to 8 weeks to deliver your new birth certificate by mail.


  • changing your sex designation: $37
  • a birth certificate (short form): $25
  • a certified copy of your birth registration (long form): $35

How do I:

Updated: August 7, 2014