Oh, dang it! I’m 48. What a bummer. Thank you.
I'm not seeing an easy path for you to benefit from your mother's situation. It would need to work like this:
- She would need to apply for citizenship and receive confirmation.
- She would then need to move to Canada to qualify to sponsor you for permanent residency (Technically Canadian citizens can sponsor while outside of Canada provided they can prove they will move to Canada once the application has been approved. However given your mother has never lived here, that will be impossible to demonstrate and she will need to make the move to Canada to sponsor you successfully.)
- Additionally, she would need to be single to qualify (no living spouse or common law partner) and also have no family members in Canada
- She would also need to meet the minimum income requirements to qualify to sponsor you (guessing she is retired and would have no plans to work in Canada so that would probably be challenging)
- Processing time for your PR application would be around 2 years
- You would then need to live another 3 years in Canada to qualify for citizenship
Probably more realistic to explore options to immigrate on your own through an economic immigration stream. Express Entry is most likely out of the question due to your age. You'll want to look at the PNP programs.