Hello Margaret – If you worked in Canada after the age of 18, you are entitled to a CPP retirement pension, whether or not you return to Canada. However, the amount will be quite small, with the maximum being about $28.50 for each year of maximum income. You may also be entitled to an AEO pension under the Canada/U.S. agreement, but that amount is only about $14.50 for each full year you resided in Canada after age 18. Other questions I have are, Canada had a social security agreement with Hong Kong under British rule (before 1997), would it be enforceable and would it help it fulfill the 10 years of legal residence required in Canada to collect AEO? Hello Paul – There are no minimum eligibility criteria for CPP retirement pensions, so at the age of 65 (or even at the age of 60 at a reduced rate) you are definitely entitled to the CPP. To be eligible for the OAS while living outside of Canada, you will need at least 20 years of residence in Canada after the age of 18. . . .