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OAS Calculator 2026: Estimate Your Pension and Clawback

This calculator gives an estimate of your monthly OAS pension, including a partial pension and any recovery tax. It needs your birth year and month, years lived in Canada, legal status and yearly income.

Answer the questions to see your estimate

Still needed: birth year; birth month; years of Canadian residency (since age 18); citizenship status; annual income; age

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Rules and amounts checked against the official source on November 14, 2026. Your answers stay in your browser. This is an estimate, not a decision: the agency that pays the benefit decides your amount.