RRIF withdrawals, the GIS and the OAS clawback
Money taken out of a RRIF is taxable income, and the same income figure drives both the Guaranteed Income Supplement and the OAS recovery tax.
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Every dollar withdrawn from a RRIF counts as income for the Guaranteed Income Supplement and for the OAS recovery tax. Subsection 146.3(5) of the Income Tax Act puts RRIF payments in taxable income, and the Old Age Security Act measures income for the supplement under the same Act, leaving out only OAS benefits and a few listed items. For a single senior, the supplement stops at $23,112 of income other than OAS in the October to December 2026 grid, so even a modest minimum withdrawal can cut it. Take a 72-year-old with $9,000 of CPP and pension income and a $60,000 RRIF: the minimum of $3,240.00 lowers the supplement from $619.17 to $453.00 a month, according to the site’s GIS model, which is exact at the published thresholds and within about a dollar in between. At the other end, withdrawals push net income past $93,454, where 15 % of the excess comes back out of OAS. The supplement uses the previous year’s income, so the cost appears the year after the withdrawal. Your Service Canada and CRA notices give the amounts actually applied.
What your RRIF minimum costs in GIS
GIS lost per month
$166.17
| Minimum withdrawal for the year | $3,240.00 |
| GIS without the withdrawal | $619.17 |
| GIS once the withdrawal is counted | $453.00 |
| GIS lost over twelve months | $1,994.04 |
Single senior, October to December 2026 GIS grid. GIS model accurate to about $1 a month; the loss shows up in the GIS based on that year’s income.
One income figure, two programs
The rule chain is short. Subsection 146.3(5) of the Income Tax Act includes in income all amounts received out of or under a RRIF. Section 2 of the Old Age Security Act defines the income used for the supplement as income computed under the Income Tax Act, minus a short list that starts with benefits paid under the OAS Act itself. A RRIF withdrawal is not on that list. The employment income exemption, which shelters part of wages from the GIS test, does not reach it either: it applies to earnings from work only.
The OAS recovery tax looks at net world income, the line 23400 figure, which also includes RRIF payments. So the same withdrawal can lower the supplement for a modest retiree and raise the clawback for a wealthier one. Few people face both, since the supplement ends far below the recovery threshold, but every RRIF holder faces one or the other once income moves.
The GIS cost of each extra dollar
The table follows a single senior with $9,000 of CPP and private pension income, adding RRIF withdrawals in steps. GIS figures come from the site’s model of the October to December 2026 grid: exact at the maximum and at each published threshold, within about a dollar a month in between.
| RRIF withdrawal | Income counted | GIS per month | GIS lost over a year |
|---|---|---|---|
| $0 | $9,000 | $619.17 | $0.00 |
| $2,000 | $11,000 | $504.67 | $1,374.00 |
| $4,000 | $13,000 | $421.33 | $2,374.08 |
| $6,000 | $15,000 | $338.00 | $3,374.04 |
| $8,000 | $17,000 | $254.67 | $4,374.00 |
| $10,000 | $19,000 | $171.33 | $5,374.08 |
| $14,000 | $23,000 | $4.67 | $7,374.00 |
The supplement falls steeply at first, because the lowest incomes also receive a top-up, which ends at $10,496 of income for a single senior, then more gently until it reaches zero at $23,112 of counted income. The Service Canada pages we consulted do not state the reduction rates, which is why the site works from the published grid rather than quoting a percentage.
The minimum is not optional
From the second year of the fund, the minimum must come out, set by your age on January 1: 5.28 % at 71, 5.40 % at 72, 6.82 % at 80. On the $60,000 fund of our example, that is $3,240.00 in the year, which costs about $1,994.04 of supplement the following year. The RRIF minimum calculator gives the factor for every age, including the option of using a younger spouse’s age when it is elected before the first payment, which lowers the compulsory amount.
What your RRIF minimum costs in GIS
GIS lost per month
$166.17
| Minimum withdrawal for the year | $3,240.00 |
| GIS without the withdrawal | $619.17 |
| GIS once the withdrawal is counted | $453.00 |
| GIS lost over twelve months | $1,994.04 |
Single senior, October to December 2026 GIS grid. GIS model accurate to about $1 a month; the loss shows up in the GIS based on that year’s income.
Lump sum or slices
Intuition says spreading withdrawals is always gentler on the supplement. The floor at zero can reverse that. Our single senior who needs $20,000 beyond the minimum, for a roof or a car, has two options in the model. Taken in one year, the withdrawal wipes out the supplement for one year, a loss of about $7,430.04. Taken as $5,000 a year over four years, it trims the supplement each year by about $2,874.00, or $11,496.00 in total.
Income tax tends to favour the slices, since a large withdrawal can climb into a higher bracket, and provincial programs tested on income can tilt the balance further. The point is not that lump sums are better, but that the answer depends on where your income sits relative to the GIS threshold. Running both scenarios in the GIS calculator before asking the carrier for an extra payment is time well spent.
Couples
For a couple, the supplement is tested on combined income, so one spouse’s RRIF withdrawal reduces both supplements. When both receive OAS, the October to December 2026 maximum is $685.56 each and the combined income cut-off is $30,528. A couple with $14,000 of combined other income receives about $344.33 each per month in the model; a $5,000 withdrawal by either spouse brings that to $240.17 each. The guide for couples covers the other cases.
The clawback end of the scale
Larger funds raise the opposite issue. A retiree aged 75 with a $600,000 RRIF must withdraw at least $34,920.00 in the year. If net income was already $90,000, the withdrawal brings it to $124,920.00. With 2025 income at that level, the recovery tax is $4,719.90 for the July 2026 to June 2027 period, against $0.00 without the withdrawal, and Service Canada divides it into $393.33 held back each month. As factors rise with age, the minimum grows as a share of the fund: the same $600,000 would require $51,060.00 at 85.
The recovery threshold moves from $93,454 on 2025 income to $95,323 on 2026 income, which gives a little room each year. The clawback calculator turns any net income into a repayment.
Timing within the calendar
Because the supplement looks back one year, a withdrawal taken in December and one taken the following January land in different income years and affect different benefit periods. The same holds for the recovery tax, which Service Canada estimates from the return you file and spreads over the following July to June. Planning a withdrawal is therefore partly a question of which tax year it falls in, and the GIS amount page confirms that the previous year’s income is the one used.