Which Account Should Hold What? A Guide to Tax-Efficient Investing

Why the account matters as much as the investment

In Canada, investment income isn't all taxed the same way. Interest income from things like GICs, bonds, and high-interest savings accounts is taxed at your full marginal rate. Eligible Canadian dividends get a dividend tax credit that softens the hit. Capital gains — the profit when you sell an investment for more than you paid — only have a portion counted as taxable income, and only in the year you sell.

Registered accounts change this picture entirely. A TFSA makes growth and withdrawals completely tax-free. An RRSP defers tax until withdrawal, taxing it then as ordinary income. An FHSA and RESP each have their own rules built around a specific goal. Because the tax treatment differs so much by account, the same investment can be a great fit in one account and a poor fit in another.

The account lineup: what each one is built for

• TFSA (Tax-Free Savings Account): contributions aren't deductible, but growth and withdrawals are entirely tax-free, and withdrawn room comes back the following calendar year. Annual and lifetime contribution limits are set by the federal government and change over time — confirm your current room with the CRA or your notice of assessment.
• RRSP (Registered Retirement Savings Plan): contributions are tax-deductible in the year you make them, growth is tax-deferred, and withdrawals are taxed as income later. Room is generally based on a percentage of your prior year's earned income, up to an annual maximum — again, confirm your specific number with the CRA.
• FHSA (First Home Savings Account): launched in 2023, it combines an RRSP-style deduction on contributions with TFSA-style tax-free withdrawals, as long as the money goes toward a qualifying first home purchase. It has both annual and lifetime contribution limits — check the current figures with the CRA before contributing.
• RESP (Registered Education Savings Plan): contributions aren't deductible, but the federal government adds a matching grant (the Canada Education Savings Grant) on top of your contributions, and growth is tax-deferred. Withdrawals of grant money and growth are taxed in the student's hands, usually at a low rate given typical student income.
• Non-registered (taxable) account: no contribution limits and no special tax shelter, but you have full flexibility, and Canadian dividends and capital gains earned here are taxed more gently than interest income.

Matching investment types to accounts

As a general rule, put your least tax-efficient income where it's shielded, and let your most tax-efficient income sit in taxable accounts if registered room runs out.

• Interest-heavy holdings (GICs, bonds, bond ETFs, high-interest savings accounts) are taxed hardest outside a registered account, so they're usually the first candidates for a TFSA or RRSP.
• U.S. dividend-paying stocks or U.S.-listed ETFs held in an RRSP (or RRIF) can avoid the U.S. withholding tax on dividends under the Canada-U.S. tax treaty. That treaty exemption doesn't apply inside a TFSA, FHSA, or RESP, so U.S. dividend income held there can face a withholding tax that isn't recoverable.
• Canadian dividend-paying stocks are reasonably tax-efficient even in a non-registered account thanks to the dividend tax credit, so they're flexible enough to hold in almost any account type.
• Growth-oriented investments that mainly generate capital gains, like many broad equity ETFs, are relatively tax-efficient in a non-registered account since only a portion of the gain is taxed, and only when realized. That makes them reasonable candidates for taxable accounts once your registered room is full.

Prioritizing across accounts when room is limited

Few people have enough money to max out every account, so the order you fill them in matters. If a first home is realistically on your five-to-fifteen-year horizon, the FHSA is usually worth prioritizing early, since the deduction and the tax-free withdrawal both work in your favour for that specific goal.

If your employer matches RRSP contributions, contributing enough to capture the full match is generally a priority ahead of most other saving, since it's an immediate, guaranteed return that's hard to beat elsewhere.

Between a TFSA and an RRSP more broadly, the classic decision point is your marginal tax rate now versus what you expect it to be in retirement. A deduction is worth more when your current rate is higher; tax-free withdrawals matter more when you expect to be in a similar or higher bracket later. If you're saving for a child's education, the RESP's matching grant makes it worth using before a plain taxable account for that money.

Common mistakes to avoid

A frequent misstep is holding interest-bearing investments like GICs in a taxable account while equities sit in a TFSA — this is often backwards, since the TFSA's tax shelter is worth more against fully-taxed interest income than against already tax-favoured capital gains.

Another is forgetting that RRSP and RRIF withdrawals are fully taxable as income, including any remaining balance at death, which can create a larger tax bill for an estate than people expect.

• Don't assume a contribution limit from a prior year still applies — TFSA, RRSP, and FHSA limits and rules can change.
• Don't over-contribute; the CRA applies penalties for excess contributions in registered accounts.
• Don't let account choice alone drive your investment decisions — a sound overall asset mix still comes first, with account placement as the refinement on top.

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