Glossary term

OAS recovery tax

OAS recovery tax is the formal tax term behind the common phrase OAS clawback.

Plain meaning

What OAS recovery tax means

When income is above the applicable threshold, part or all of Old Age Security may be recovered through the tax system. In everyday language, this is often called the OAS clawback.

Calculator context

How OpenBook uses it

OAS clawback calculators compare income against published thresholds and estimate the recovery amount under stated assumptions. The estimate depends on the benefit period, income measure, age group, and official thresholds used.