Who can join Common Wealth?
This plan is meant for all! This means that anyone who works for a Canadian employer who has joined the plan is eligible to join as a member.
There is no maximum age limit to join the plan, although you cannot contribute to a TFSA if you are under 18 years old. You can contribute to an RRSP as long as you have available contribution deduction room or until December 31st of the year you turn age 71.
You must be a Canadian resident for tax purposes in order to join the plan.