OAS Clawback Explained: The OAS Recovery Tax

Old Age Security is a foundation of retirement income for most Canadians, but it comes with a feature that catches many people by surprise: if your income in retirement is high enough, part or all of it is taken back. This is the OAS clawback, known formally as the OAS recovery tax, and it is one of the more avoidable frustrations in retirement when it is planned for in advance.

The mechanics are straightforward. Once your net income passes an annual threshold, the government recovers 15 cents of OAS for every additional dollar of income, until, at a higher ceiling, your OAS is reduced to nothing. Because it is driven by your taxable income, the clawback is not purely a function of how wealthy you are; it depends heavily on how your income is structured and timed. That is exactly what makes it manageable.

This guide is for retirees and pre-retirees in Ottawa and across Ontario who want to understand the recovery tax and the legitimate ways to reduce its bite.

It is worth being clear about scale. For most middle-income retirees, the clawback is never an issue, because their income sits comfortably below the threshold. It becomes relevant for higher-income retirees, often those with large RRIFs, generous pensions, or substantial investment income, and especially in the later years when mandatory RRIF withdrawals rise. The planning, therefore, is not about avoiding income; it is about shaping and timing it so that you keep benefits you are entitled to rather than surrendering them to a spike you could have smoothed.

How the OAS recovery tax works

The OAS recovery tax applies when your net income exceeds a threshold that the government sets and indexes each year. Above that threshold, OAS is reduced by 15% of the excess income. If your income climbs high enough to reach an upper ceiling, your OAS is fully eliminated for that period.

Because the thresholds change annually, it is best to confirm the current figures for the relevant tax year rather than rely on a number that may be out of date. The principle, however, is durable: more net income above the line means less OAS, at a rate of 15 cents on the dollar.

Income relative to threshold	Effect on OAS
Below the lower threshold	Full OAS, no recovery
Between lower and upper threshold	Reduced by 15% of income over the threshold
Above the upper ceiling	OAS fully clawed back

The recovery is administered through the tax system, and it is based on net income from your return, which is why the composition of that income matters so much.

Why the type of income matters

Two retirees with the same lifestyle can have very different clawback outcomes depending on where their income comes from. Not all income is counted the same way for this purpose.

• Counts fully: RRSP and RRIF withdrawals, CPP, OAS itself, pension income, interest, and the taxable portion of other income.
• Counts partly or in a grossed-up form: eligible Canadian dividends are grossed up, which can push net income higher than the cash received, sometimes worsening the clawback more than expected.
• Does not count: TFSA withdrawals are entirely tax-free and never appear as income, so they do not affect the clawback at all.

This is one of the clearest arguments for building TFSA room over a lifetime. In retirement, the ability to draw tax-free income that does not count toward the recovery tax is a genuine planning advantage, as we discuss in how to generate retirement income.

Planning moves that can reduce the clawback

The clawback is sensitive to the size and timing of taxable income, and both can be managed. Several approaches are common, and most work best when set up well in advance.

• Draw tax-free income from a TFSA to meet spending without raising net income.
• Split eligible pension income with a spouse, moving income from a higher earner to a lower one and lowering both the household tax bill and the clawback exposure; see pension income splitting.
• Smooth RRIF withdrawals so you avoid a spike that pushes you over the threshold in a single year. Large mandatory RRIF minimums later in retirement are a frequent cause of clawback, which is why the drawdown plan matters, as covered in RRIF minimum withdrawal rules.
• Sequence withdrawals thoughtfully across RRSP/RRIF, TFSA, and non-registered accounts, a subject we explore in retirement withdrawal order in Canada.

Each of these depends on your particular numbers, and tax rules can change. Confirm your situation with your advisor and, where relevant, an accountant.

The role of RRIF withdrawals

A common and avoidable trap is leaving a large RRSP untouched for as long as possible, only to face substantial mandatory RRIF withdrawals in your 70s and beyond. Those required minimums are fully taxable and can push net income over the clawback threshold just as the minimums are rising with age.

Drawing some RRSP or RRIF income earlier, while in a lower bracket and below the threshold, can smooth your taxable income across retirement and reduce the clawback later. This is one of the clearest cases where acting early, even if it means a little more tax now, avoids more tax and lost OAS later. It is central to thinking through your RRSP to RRIF conversion.

An illustrative example of managing the clawback

The following is a hypothetical illustration to show how the levers work together. The names and figures are fictional, and your own result would depend on the current thresholds and your circumstances.

Imagine a retired couple, each receiving OAS, whose income is pushing one spouse over the recovery-tax threshold largely because of a sizeable RRIF. Rather than accept the clawback, they consider several coordinated moves. They split eligible pension income so that taxable income is more evenly balanced between them, lowering the higher earner’s net income. They draw part of their spending from the TFSA, which does not count as income, instead of taking extra from the RRIF. And in a year with unusually high income, they lean more heavily on the TFSA to stay below the threshold, then normalise in the following year.

The combined effect, in this illustration, is to keep net income below the point where the recovery tax bites, preserving OAS that would otherwise have been clawed back. No single move does the whole job; it is the coordination across splitting, account selection, and timing that produces the result.

The lesson is general even if the figures are invented: the clawback responds to how income is composed and timed, and those are things you can influence with planning set up in advance.

Should you defer OAS?

You can defer OAS past 65, up to 70, for a permanent increase of 0.6% per month. For someone whose income in their late 60s would otherwise trigger the clawback, deferral can occasionally be part of a strategy, particularly if those years are spent drawing down an RRSP instead. Whether it helps depends on your whole income picture and your health, and it should be weighed alongside the CPP decision rather than in isolation.

Coordinating all of this, OAS timing, RRIF drawdown, splitting, and account sequencing, is the work of integrated retirement planning and tax planning, which look at your income across the whole of retirement rather than one year at a time.

Next step

The OAS clawback is one of the most avoidable costs in retirement, but only for those who plan for it before the income arrives. Understanding that it is driven by net income, and using TFSAs, income splitting, and smoothed withdrawals to manage that income, can preserve benefits worth real money over time. To review your exposure to the recovery tax and the moves that could reduce it, book a private consultation with Hayes Wealth Partners.