The Office of the Chief Actuary publishes the CPP Mortality Study that can be found on OSFI's Web site by following this link. The related press release can be found at this link.
"More Canadians are expected to receive pension benefits from the Canada Pension Plan (CPP) for a longer period of time according to a report by the Chief Actuary of Canada. The study’s findings also underscore a correlation between the level of CPP income and a beneficiary’s life expectancy; the higher the CPP retirement pension, the higher the beneficiary’s life expectancy."