Parliament enacted the Old Age Security Act (1951), creating a new federal, universal (non-means-tested) old-age pension framework that would replace the earlier cost-shared Old Age Pensions system for seniors at age 70 meeting residence requirements.
The Old Age Security (OAS) Act came into force, marking the start of the universal federal OAS pension. Early program design provided a flat monthly benefit for eligible seniors aged 70+ based on residence in Canada.
Federal policy work and federal–provincial discussions intensified around creating an earnings-related, contributory pension plan to supplement OAS and provide broader income-replacement protection, including for survivors and disability.
The British North America Act, 1964 amended Canada’s constitution to confirm federal power to legislate not only for old-age pensions but also for supplementary benefits, explicitly including survivors’ and disability benefits. This cleared a key constitutional hurdle for a comprehensive Canada Pension Plan design.
Parliamentary debate and intergovernmental negotiations emphasized CPP’s nationwide portability, broad compulsory coverage (employees and most self-employed), and a staged implementation schedule, including an effective date in January 1966 for contribution collection.
The federal government introduced legislation to create the Canada Pension Plan (CPP), an earnings-related, contributory public pension intended to operate alongside OAS and complement existing workplace pensions.
Quebec proceeded with a parallel mandatory public pension, the Quebec Pension Plan (QPP), designed as a counterpart to CPP and set to begin operation at the same time, ensuring continuity of coverage for workers in Quebec.
The CPP legislation cleared major parliamentary steps, including passage at third reading in the House of Commons, moving the plan closer to enactment.
The Canada Pension Plan Act received Royal Assent, formally establishing the CPP as a national contributory plan (outside Quebec) designed to pay retirement, disability, and survivors benefits based on covered earnings and contributions.
The CPP and QPP began operating. Contribution collection started for covered workers and employers, establishing the revenue base for future benefits and embedding contributory public pensions as a core welfare-state institution alongside OAS.
Policy changes initiated a transition to lower the OAS eligibility age gradually (from 70 toward 65), aligning the universal flat-rate pension more closely with the emerging contributory CPP/QPP retirement-income architecture.
Administrative descriptions of the new system standardized the key implementation boundary: CPP/QPP benefits are based on covered work performed on or after January 1, 1966, reinforcing the program’s start date for coverage and contributions.
Canada's Old Age Security Act and Canada Pension Plan Implementation (1951–1966)
