OAS (Old Age Security) Estimator
2025 max OAS ~$727.67/mo (age 65–74); ~$800.44/mo (75+). Clawback 15% on net income above $90,997.
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Rough estimate. Full OAS requires 40 years residence after 18; partial OAS = years × 1/40. Clawback fully recovers OAS at ~$148k (65-74) / $154k (75+).
About this tool
OAS (Old Age Security) Estimator is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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