How long can I be naturalized in Canada after getting a maple leaf card? Only the parents of Maple Leaf Card can apply for reunion? Thank you!

You can apply for naturalization after living in Canada for three years within four years. The problem of parents' reunion is related to economic strength. Applying for the elderly generally requires your income to be around 45,000 Canadian dollars. If you have two elderly people, it will be more. The main reason is that the Canadian government needs you to be able to afford your parents' life without any social welfare in the first three years of their arrival in Canada, and the application time will be longer. At present, for more than four years, it is not good for parents to reunite and immigrate, unless your parents' economic situation is good.