Old Age Security (OAS) is a monthly payment that is provided by the federal government to eligible seniors who are 65 years of age or older. It is one of the main sources of income for retired Canadians, along with the Canada Pension Plan (CPP) and personal savings. However, the amount of OAS you can receive may vary depending on your income, residency, and contributions. What is Old Age Security in Canada? OAS is a universal pension that is available to all Canadian citizens and permanent residents who have lived in Canada for at least 10 years after the age…