Pre-tax RRSP contributions lower the income you’re taxed on in the year you make them and let the money grow sheltered from tax until you withdraw it, usually in retirement. For the 2026 tax year, you can contribute up to 18% of your previous year’s earned income, to a maximum of $33,810.1Canada Revenue Agency. What’s New – Savings and Pension Plan Administration The tax break reaches you one of two ways: through payroll, where contributions come off your gross pay before tax is calculated, or through a deduction you claim on your return that refunds tax you already paid.
How the Pre-Tax Mechanism Works
“Pre-tax” refers to timing. Money inside an RRSP grows without annual tax on interest, dividends, or capital gains, and income tax only applies when you pull funds out. The idea is that withdrawals happen in retirement, when your bracket is typically lower than during your working years.
The two routes to the same result differ only in when you feel it. If your employer runs a Group RRSP and deducts contributions from your gross pay, income tax is calculated on the reduced amount, so the savings show up on every paycheque. If you contribute on your own from money that has already been taxed through withholding, you claim an RRSP deduction on your return. That deduction lowers your taxable income for the year, and the tax you overpaid comes back as a refund.2Canada Revenue Agency. Line 20800 – RRSP Deduction
How Much You Can Contribute in 2026
Your deduction limit is the lesser of 18% of your prior-year earned income or the annual dollar cap, which is $33,810 for 2026.1Canada Revenue Agency. What’s New – Savings and Pension Plan Administration If you earned $150,000 in 2025, 18% works out to $27,000, and that’s your limit. If you earned $200,000, the percentage would put you at $36,000, but the cap trims it to $33,810.
If you’re a member of an employer pension plan, your room shrinks by a pension adjustment that reflects the value of the benefits accruing to you. Your employer reports this figure on your T4, and the CRA applies it to your deduction limit automatically.
Unused room doesn’t expire. Contribution room you don’t use in a given year carries forward indefinitely and stacks on top of future years’ limits.3Canada Revenue Agency. How Contributions Affect Your RRSP Deduction Limit If you had $15,000 of room last year and only used $10,000, the leftover $5,000 gets added to what you have available now. That’s useful when a bonus or an inheritance gives you the cash to make a large catch-up contribution.
Your current deduction limit appears on your most recent Notice of Assessment and in CRA My Account. Check it before making a large deposit.
The $2,000 Cushion and What Happens if You Go Over
The CRA tolerates a lifetime over-contribution of up to $2,000. Amounts within that cushion don’t trigger a penalty, but they aren’t deductible either. Anything above $2,000 over your limit attracts a penalty of 1% per month on the excess, running until you withdraw the extra or new contribution room opens up to absorb it.3Canada Revenue Agency. How Contributions Affect Your RRSP Deduction Limit That penalty compounds fast.
What Income Actually Builds Room
Not every dollar you receive counts as earned income for RRSP purposes. The categories that do include:4Canada Revenue Agency. RRSPs and Other Registered Plans for Retirement
- Employment income: salary, wages, and taxable benefits on your T4.
- Net self-employment income from a sole proprietorship or active partnership.
- Net rental income from real property, with rental losses reducing earned income.
- Taxable support payments you received.
- CPP or QPP disability payments.
- Royalties from a work or invention you authored or created.
Investment income, including dividends, capital gains, and interest, doesn’t build room. Neither does Old Age Security or regular CPP retirement income. If most of what you live on comes from investments, your available RRSP room may be much smaller than you’d assume.
Getting the Deduction Through Payroll
When contributions run through a Group RRSP, your employer withholds income tax on your gross pay minus the contribution. On a $5,000 gross pay period with a $500 contribution, tax is calculated on $4,500. The CRA instructs employers not to withhold income tax on RRSP contributions made through payroll when the employer has reasonable grounds to believe the employee can deduct the contribution, which in practice means the employer has either seen a recent Notice of Assessment or received written confirmation of available room.5Canada Revenue Agency. Contributions to Savings and Pension Plans Any employer matching counts against your own deduction limit.
Getting the Deduction on Your Return
Contributions you make on your own come from money that has already been taxed through payroll. You recover that tax by claiming the deduction. If you earned $80,000 and contributed $10,000, your taxable income drops to $70,000, and the CRA refunds the difference between what you paid through withholding and what you actually owed at the lower income.2Canada Revenue Agency. Line 20800 – RRSP Deduction
You aren’t required to claim the deduction in the year you make the contribution. If you expect a jump in income, you can contribute now, let the money grow tax-sheltered, and carry the deduction forward to a later return where it offsets income at a higher marginal rate.6Canada Revenue Agency. What to Do with Unused RRSP, PRPP or SPP Contributions
Contributing to a Spousal RRSP
You can put money into an RRSP registered in your spouse’s or common-law partner’s name and take the deduction yourself. The contribution uses your room, not theirs. Where one partner earns considerably more, this shifts future retirement income into the lower-income partner’s hands, where withdrawals get taxed at a lower rate.
Watch the attribution rule. If your spouse withdraws from a spousal RRSP in the same calendar year you contributed to any spousal RRSP for them, or in either of the two preceding years, the withdrawn amount is taxed in your hands instead of theirs.7Canada Revenue Agency. Withdrawing from Spousal or Common-Law Partner RRSPs To have the withdrawal taxed in your spouse’s name, you generally need to stop spousal contributions for at least two full calendar years before they take money out.
Deadlines and Paperwork
Contributions made in the first 60 days of a calendar year can be applied to the prior tax year. For the 2025 tax year, the cutoff was March 2, 2026, and for 2026 it falls on March 1, 2027.8Canada Revenue Agency. Important Dates for RRSPs, HBP, LLP, FHSAs and More Miss the date and the contribution can only be deducted on the following year’s return.
Your financial institution issues two receipts each year: one for contributions from March through December, and a second for the first 60 days of the following calendar year.9Canada Revenue Agency. RRSP Contribution Receipt – Slip Information for Individuals You need both to report the full year accurately. Contributions are reported on Schedule 7 of your T1, and the deductible amount flows to line 20800 of the main return.10Canada Revenue Agency. Schedule 7 – RRSP, PRPP, and SPP Contributions and Transfers, and HBP and LLP Activities
The Trade-Off at Withdrawal
The other side of the pre-tax deal is that every dollar coming out of an RRSP is taxed as regular income in the year of withdrawal. Your institution withholds tax at the time of the withdrawal based on the amount:11Canada Revenue Agency. Tax Rates on Withdrawals
- Up to $5,000: 10% withholding, or 5% in Quebec.
- $5,001 to $15,000: 20% withholding, or 10% in Quebec.
- Over $15,000: 30% withholding, or 15% in Quebec.
Those rates are estimates. The tax you actually owe depends on your total income for the year, so a large withdrawal that pushes you into a higher bracket can leave you with a balance owing when you file.
Two programs allow tax-free withdrawals from your RRSP if you repay on schedule: the Home Buyers’ Plan for a first home and the Lifelong Learning Plan for education.12Government of Canada. How to Participate in the Home Buyers’ Plan13Canada Revenue Agency. Lifelong Learning Plan Missed repayments in a given year get added to your income for that year.
The Plan Ends the Year You Turn 71
An RRSP can’t continue past December 31 of the year you turn 71.14Department of Justice Canada. Income Tax Act – Section 146 By that date you have to convert the plan to a Registered Retirement Income Fund, buy an annuity, or withdraw the balance as a lump sum.15Canada Revenue Agency. RRSP Options When You Turn 71 Most people roll into a RRIF, which keeps the remaining balance tax-sheltered while requiring minimum annual withdrawals. A full lump-sum withdrawal is generally the worst outcome because the whole balance lands in one year’s income. You can still contribute in the year you turn 71, right up to December 31, so a final contribution before the plan matures is worth planning around.