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What determines the amount of old age pension in Canada?

For the period of July to September 2025, the maximum monthly Old Age Security (OAS) payment is up to $734.95 for those aged 65-74 and $808.45 for those 75 or older. To find out what determines the amount of old age pension in Canada for your specific situation, it is crucial to understand the multiple factors involved, including residency, deferral age, and income.