Debt Avalanche vs. Debt Snowball: Which Works for Canadians?
Two proven debt repayment strategies compared for Canadian borrowers — from credit card debt to student loans. Which approach will work best for you?
Two Strategies, One Goal
When multiple debts compete for your extra dollars, you need a system. The two most widely used are:
Debt Avalanche: Pay minimums on all debts. Direct all extra payments to the highest interest rate debt first.
Debt Snowball: Pay minimums on all debts. Direct all extra payments to the smallest balance first.
Both are effective. The difference is mathematical efficiency vs. psychological momentum.
The Debt Avalanche: Lowest Total Cost
The avalanche method minimizes total interest paid. It is the optimal mathematical strategy.
Canadian Example:
| Debt | Balance | Interest Rate | Monthly Minimum |
|---|---|---|---|
| Credit card (TD Visa) | $3,800 | 19.99% | $76 |
| Personal loan | $8,500 | 11.5% | $190 |
| Student loan (federal) | $22,000 | Prime + 1% (~7.2%) | $310 |
| Car loan | $14,000 | 6.9% | $295 |
With $1,000/month total available, the avalanche directs extra funds to the TD Visa first (highest rate at 19.99%). Once paid off, that payment plus freed minimum rolls onto the personal loan.
Over the repayment period, the avalanche saves hundreds to thousands in interest versus the snowball.
Best for: Analytically motivated people with strong follow-through who can stay the course without frequent psychological wins.
The Debt Snowball: Momentum and Wins
The snowball ignores interest rates and focuses on balances — smallest first. In the above example, the TD Visa ($3,800) gets cleared first, then the personal loan ($8,500), then the car loan ($14,000), then the student loan ($22,000).
Psychologically, each account you close is a tangible win. Dave Ramsey popularized this method, and research from Harvard Business Review confirms people are more likely to successfully eliminate all debt using the snowball — because motivation compounds.
Best for: People who have struggled with debt repayment consistency before, or who need visible progress to maintain commitment.
Canadian Debt Specifics
Credit cards: Most Canadian cards charge 19.99% to 22.99%. This is the highest-cost debt almost any Canadian carries. Both methods tend to target credit cards first (they are often both the highest-rate AND smallest balance).
Major bank credit cards — TD, RBC, BMO, Scotiabank, CIBC — all charge 19.99-22.99% on standard cards. Balance transfer options to lower-rate products (e.g., Scotiabank Value Visa at 12.99%, MBNA True Line at 12.99%) are worth considering for large balances before beginning repayment.
Government student loans (NSLSC): Federal student loans charge prime + 0% (fixed) or prime + 1% (floating). Currently around 6-7%. The Repayment Assistance Plan (RAP) is available if you cannot afford minimum payments. These are generally lower priority than credit card debt.
Provincial student loans may have different rate structures — check your province's student aid terms.
Personal loans: Canadian banks and credit unions charge 8-20%+ depending on credit score and secured vs. unsecured.
Car loans: Typically 5-9% for creditworthy borrowers through dealers or banks. 0% promotional financing through auto dealers often has conditions.
HELOC (Home Equity Line of Credit): Popular in Canada. Rates are prime + 0.5-1%, currently around 7-8%. Lowest-rate debt most homeowners carry. Generally last priority in debt repayment.
Buy Now Pay Later (Afterpay, PayBright, Paidy): No interest if paid on time, but late fees and payment deferral habits can be expensive.
Investing While Paying Debt: The Canadian Decision
A uniquely Canadian consideration: TFSA contributions can be withdrawn at any time. Some Canadians choose to:
- Pay off high-rate debt first (any card at 19.99%+)
- Then simultaneously contribute to TFSA and pay down lower-rate debt
The guaranteed "return" of paying off 20% credit card debt is better than almost any after-tax investment return. Below 7-8%, it becomes a closer call — invest in TFSA/RRSP while paying debt minimums.
One firm rule: Never carry a credit card balance while investing. The guaranteed 20% "return" on paying it off beats the expected market return every time.
A Simple Decision Framework
High-rate debt (card, payday loan, 15%+) → Avalanche always wins
Multiple debts, lowest-rate first is also smallest → Methods coincide, pick either
If you've failed at debt repayment before → Snowball
If you're analytically motivated → Avalanche
Combining Methods
Starting with the snowball to clear a few small balances, then switching to avalanche for the remaining large-balance, high-rate accounts is a legitimate hybrid. It is pragmatic, not cheating — and it works.
The Bottom Line
The best debt repayment strategy is the one you will actually follow. Choose the method that matches your personality and financial situation, automate the minimum payments on every account, and direct every available extra dollar to the priority debt. Consistency beats optimization.
Found This Useful?
Get more guides like this every week — free to your inbox.
Join the Free Newsletter
