Should I contribute to TFSA or RRSP first?

If your marginal tax rate now is higher than you expect in retirement, prioritize the RRSP for the larger deduction. If your current rate is similar to or lower than your expected retirement rate, the TFSA is usually better. For most Canadians earning under $55,000, the TFSA is the stronger first choice.

Can I contribute to both TFSA and RRSP?

Yes. There is no rule against contributing to both in the same year. Many planners recommend using both: RRSP for the tax deduction in high-income years and TFSA for flexible, tax-free savings that does not affect income-tested benefits like OAS or GIS.

What happens to TFSA and RRSP in retirement?

RRSP withdrawals are fully taxable as income and count toward the OAS clawback threshold. TFSA withdrawals are completely tax-free and do not affect any income-tested government benefits. This makes the TFSA especially valuable in retirement for managing your marginal rate.

Is a TFSA better than an RRSP for young Canadians?

Often yes. Younger Canadians are typically in lower tax brackets, so the RRSP deduction is worth less now. The TFSA lets you grow money tax-free and withdraw it for any purpose, including a home purchase, without repayment obligations. As income grows, shifting more to RRSP contributions usually makes sense.

TFSA vs RRSP: Which Should You Prioritize?

TFSA and RRSP contribution room used each year and over a working life — TFSA and RRSP room used each year and in total over a working life.

TFSA and RRSP are both good retirement savings accounts, but they work in opposite directions. The RRSP gives you a tax deduction today and taxes you on withdrawal. The Tax-Free Savings Account gives you no deduction, but all withdrawals are tax-free. Which to prioritize depends mostly on one thing: your tax rate now versus your tax rate in retirement.

The Core Framework

The decision reduces to a comparison of marginal rates:

RRSP wins when your current marginal rate is higher than your expected retirement rate. You defer tax from a high-rate year to a low-rate year.
TFSA wins when your current marginal rate is similar to or lower than your expected retirement rate. There’s no rate advantage to RRSP, and TFSA gives you more flexibility.

Your expected retirement rate has to include CPP/OAS benefits, mandatory RRIF withdrawals, investment income, and any pension. Many Canadians underestimate their retirement income and therefore their retirement tax rate.

When RRSP Clearly Wins

High current income

If you earn $100,000 in Ontario, your marginal rate on the next dollar is approximately 43.4% combined. If you expect to retire at $60,000/year income (between the second federal bracket and the first OAS clawback threshold), your marginal rate at that income would be around 29.6%. Putting money into an RRSP saves 43.4 cents on the dollar now and costs 29.6 cents when withdrawn, a net gain of roughly 13.8 cents per dollar saved.

At $100,000 income, RRSP almost always outperforms TFSA unless you expect a very high retirement income.

Employer matching

If your employer matches RRSP or group RRSP contributions, take the match first. A 50% employer match is an instant 50% return before any tax consideration, and nothing in the TFSA vs RRSP debate changes that.

Significant income decline expected in retirement

For someone with no pension who plans to retire at a relatively modest income, RRSP contributions during high-earning years benefit from a large rate differential.

When TFSA Clearly Wins

Low to moderate current income

If you earn $50,000 in Alberta, your marginal rate is about 30.5%. If you expect similar income in retirement (common if you have a defined benefit pension), the rate differential is small or zero. TFSA gives you the same tax efficiency without the RRIF conversion requirement and without adding to your net income.

At $45,000 income, the argument for RRSP over TFSA is often weak unless retirement income is expected to be substantially lower.

GIS eligibility

Many online calculators get this wrong. The Guaranteed Income Supplement (GIS) is a federal benefit for low-income OAS recipients. It claws back $0.50 for every dollar of income above a threshold, an effective 50% marginal rate on that income. RRSP/RRIF withdrawals count as income for GIS purposes. TFSA withdrawals do not.

If you might be GIS-eligible in retirement, every RRSP dollar that later triggers GIS clawback carries a 50% cost that erases most of the RRSP deduction. For lower-income earners who may qualify for GIS, the TFSA is almost always better.

Flexibility and access

The TFSA has no mandatory withdrawals, so you’re never forced to take money out on the government’s schedule. An RRSP must be converted to a RRIF by 71, with mandatory minimums that can push you into higher brackets whether you need the income or not. If flexibility matters (early retirement, variable spending, leaving money to the next generation), the TFSA has the edge.

Side-by-Side Examples

Example 1: $75,000 income, Ontario

You earn $75,000. Marginal rate: approximately 33.9% combined. You expect $50,000/year in retirement income (CPP + OAS + modest savings). Marginal rate at $50K retirement income: approximately 20.1%.

Rate differential: 13.8 percentage points in favor of RRSP. On a $10,000 contribution, the lifetime advantage over TFSA is approximately $1,380 per $10,000 saved, compounded tax-free. At this income level, RRSP is meaningfully better.

Example 2: $45,000 income, Ontario

You earn $45,000. Marginal rate: approximately 24.1% combined. You expect $40,000/year in retirement (similar to current income after CPP and OAS). Marginal rate in retirement: approximately 20.1%.

Rate differential: 4 percentage points, nearly a wash. Add the RRIF conversion requirement, the loss of flexibility, and the possibility of OAS clawback in later years if income grows, and TFSA is the smarter default at this income level.

The Splitting Strategy

For most Canadians with income between $55,000 and $100,000, the answer is a split that changes over time, not one or the other. Maximize RRSP in your high-earning decade, then shift to TFSA as you approach retirement and your income stabilizes. If you’re planning to buy a first home, also consider the FHSA, which combines RRSP-style deductions with TFSA-style tax-free withdrawals. In retirement this gives you flexibility over taxable income: draw from RRSP/RRIF for fixed expenses and from the TFSA for variable or one-time spending without affecting government benefits or clawbacks.

What About What to Hold in Each Account?

How much to put in each account is half the question. The other half is which investments to hold in each: bonds in RRSP, growth equities in TFSA, Canadian dividends in non-registered. This is called asset location, and it can add tens of thousands in after-tax wealth over a lifetime without extra risk.

How cinder.fi Helps

Yearly contributions split between RRSP, TFSA and FHSA — Where each year's savings go: the FHSA first, then the RRSP and the TFSA.

cinder.fi models your RRSP, TFSA, CPP/OAS, and province-specific tax rates and shows the lifetime tax cost of any contribution mix. It runs both strategies side by side so you can see the dollar difference between TFSA-first and RRSP-first over your whole retirement. RRIF minimums, the OAS clawback, and GIS eligibility are built in, so you aren’t relying on rules of thumb.

Model this in your own plan: try cinder.fi free.

April 1, 2026 · 4 min read