RRSP / TFSA Calculator

RRSP vs TFSA — Which Is Right for You?

The RRSP and TFSA are Canada's two primary tax-advantaged savings vehicles, and they work in opposite ways. RRSP contributions reduce your taxable income now — you get a tax refund immediately, but withdrawals in retirement are taxed as income. TFSA contributions are made with after-tax dollars, but all growth and withdrawals are completely tax-free.

The classic rule of thumb: use RRSP when your current tax rate is higher than your expected retirement rate. Use TFSA when you expect the reverse. In practice, most Canadians benefit from both: maximize RRSP first if you're in a higher income bracket, put the tax refund into your TFSA, and enjoy tax-sheltered growth in both accounts simultaneously.

One key TFSA advantage many miss: withdrawn amounts are re-added to your contribution room the following calendar year. You can withdraw for a major expense and re-contribute the next year — something you cannot do with an RRSP without permanently losing contribution room.

Frequently Asked Questions

The rule that actually decides it

Strip away the complexity and one comparison settles most cases: your marginal tax rate today versus the rate you expect when you withdraw.

An RRSP wins when your rate is higher now — you deduct at a high rate and withdraw at a lower one. A TFSA wins when your rate is lower now, or when you expect it to be higher later. At identical rates the mathematical outcome is the same, and the decision comes down to flexibility, in which case the TFSA generally wins.

Withdrawal rules are where they really differ

TFSA: withdraw any amount, any time, tax-free, for any reason. The room comes back — but only on January 1 of the following year. Withdrawing and re-contributing in the same calendar year is the single most common cause of over-contribution penalties, at 1% per month on the excess.

RRSP: withdrawals are fully taxable, tax is withheld at source, and the room is gone permanently. Only the Home Buyers' Plan and Lifelong Learning Plan allow tax-free withdrawal, and both must be repaid. This asymmetry is why an emergency fund belongs in a TFSA and essentially never in an RRSP.

Two cases where the usual advice reverses

Lower-income Canadians should usually favour the TFSA, even where an RRSP deduction looks attractive. RRSP and RRIF withdrawals in retirement count as income and reduce income-tested benefits — the Guaranteed Income Supplement claws back roughly 50 cents per dollar, far steeper than most marginal tax rates. TFSA withdrawals are invisible to every income test, including GIS and the OAS clawback.

Families receiving the Canada Child Benefit get a second benefit from RRSP contributions that most calculators ignore. An RRSP contribution lowers adjusted family net income dollar for dollar, which raises the following year's CCB. For a family in the phase-out range that top-up can exceed the tax refund itself.

Practical points that change the answer

• An employer match beats both. Take it first — nothing else offers a guaranteed immediate return.
• Buying a first home? The FHSA beats both, giving the RRSP's deduction and the TFSA's tax-free withdrawal.
• Reinvest the RRSP refund, or the comparison is not honest. The RRSP's advantage assumes the refund is invested, not spent.
• You can contribute now and deduct later. If a much higher income year is coming, hold the deduction for it.
• US dividend withholding is recoverable in an RRSP but not a TFSA — a reason to hold US-listed holdings in the RRSP.

Most people should use both rather than choose. See our full TFSA vs RRSP comparison, and check your exact room on your Notice of Assessment — it is the only authoritative figure.