General information only — not financial advice for your situation.
This is a learning tool. Always check CRA My Account records and talk to a qualified professional for your own numbers.
Plain English
When you start your first job, you're probably in one of the lowest tax brackets. An RRSP gives you a tax break now, but that break is small when your income is low. If your salary grows over the years, you'll eventually be in a higher bracket — and that's when an RRSP deduction is worth way more. A TFSA lets your money grow completely tax-free forever, and you can pull it out anytime without owing anything. Think of it as the no-strings-attached starter account.
Say you earn $45,000 and contribute $3,000. In an RRSP, you'd save about $572 in tax (19.05% combined rate in Ontario). But if you wait and contribute that $3,000 when you earn $90,000, the same RRSP gives you roughly $945 back (31.48% rate). Meanwhile, your $3,000 in a TFSA has been growing tax-free the whole time.
Show the analysis
At $45,000 of Ontario employment income, the combined federal-provincial marginal rate is approximately 19.05% (14% federal + 5.05% Ontario). An RRSP deduction at this rate yields only $0.19 of tax relief per dollar contributed. If this individual's career trajectory pushes retirement withdrawals into the 29.65–31.48% corridor, every RRSP dollar withdrawn faces a 10–12 percentage-point negative spread. The TFSA avoids this asymmetry entirely, as withdrawals are never taxable income.
RRSP refund at entry level: $3,000 × 19.05% = $572. Same contribution at $90,000 income: $3,000 × 31.48% = $944. Difference: $372 of additional tax relief per $3,000 by deferring RRSP use. Meanwhile, $3,000 in a TFSA at 7% for 10 years = $5,901 — all tax-free.
Edge cases
- Employer RRSP matching is an immediate 100% return on capital — always capture the full match before any TFSA allocation.
- If you have no plans for career progression (stable low-income role), the TFSA also protects against future GIS clawback in retirement.
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About this site
Every number on this site is sourced from CRA publications, the Income Tax Act, or provincial fiscal releases. We show the math, cite the sources, and never tell you what to do with your money.