How RRSP Contribution Room Is Calculated
A Registered Retirement Savings Plan (RRSP) is a tax-advantaged Canadian retirement account. Your annual contribution room is 18% of your prior year's earned income, up to an annual dollar limit set by the CRA — whichever is lower — plus any unused room carried forward from previous years.
Tax Savings (approx.) = Contribution × Marginal Tax Rate
Why Unused Room Carries Forward
Unlike some retirement accounts, RRSP contribution room that you don't use doesn't expire — it carries forward indefinitely, which is why many Canadians accumulate large amounts of unused room over their careers. Your Notice of Assessment from the CRA shows your exact accumulated room.
RRSP vs. TFSA
RRSP contributions are tax-deductible now (reducing your taxable income the year you contribute) but withdrawals are taxed as income in retirement. A TFSA works the opposite way — no upfront deduction, but withdrawals are entirely tax-free. Many Canadians use both.
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📅 Last Updated: September 2026.