I often recommend deferring CPP until age 70 to secure more lifetime income in retirement. It's also possible to defer OAS to age 70 for a smaller, but still meaningful, increase in guaranteed income. While the goal is to design a more secure retirement, there can be a psychological hurdle for retirees to overcome. That hurdle has to do with withdrawing (often significant) dollars from existing savings to fill the income gap while you wait for your government benefits to kick-in. Indeed, the ...