退休老人金

Do not know which 退休老人 you are talking about.
(1)退休老人 --- Yourself
If you are independent immigrant, when you are older than 65 years old, you are can apply for this old-age-welfare.
(2)退休老人 --- Your parents
If you sponsored your parents to immigrate into Canada. From the day of their immigration-landing, then there is 10 years waiting. Do not know if the 10 years has to be continuously or not. Because currently the parent-immigration waiting list is nearly 10 years long. Even if you begin to do your parents immigration right now, Your parents has to live at least 20 years from now on to get the welfare. So, do not worry about the welfare that is 20 years later. Worry about your parents' health considtion and living style before considering immigrate them into Canada or not.