Best Tax Deductions Canada 2025

Legally reduce your 2024 tax bill with these CRA-approved deductions — from RRSP contributions to home office, medical expenses, and more.

Deductions vs. Credits: What's the Difference?

In Canadian tax, deductions reduce your taxable income before tax is calculated, while credits reduce the tax you owe after it is calculated. Deductions are more valuable for higher earners because they save tax at your marginal rate. Credits save the same amount regardless of income level.

Top Tax Deductions for 2024

Deduction	Maximum / Limit	Who Qualifies
RRSP contributions	18% of prior year income, max $31,560	Anyone with earned income
Child care expenses	$8,000/child under 7; $5,000 ages 7–16	Parents paying for licensed care
Union and professional dues	Full amount paid	Employees paying dues
Moving expenses	Actual costs	Moved 40+ km closer to new job/school
Home office (detailed method)	Actual eligible costs	Employees working from home 50%+ of time
Home office (flat rate)	$2/day, max 200 days = $400	Same eligibility as above
Carrying charges and interest	Actual costs	Investment loan interest
Business expenses (self-employed)	Actual eligible expenses	Self-employed individuals

1. RRSP Contributions — The Most Powerful Deduction

Contributing to your Registered Retirement Savings Plan (RRSP) is the single most impactful tax deduction for most working Canadians. Your contribution room is 18% of your previous year's earned income, up to $31,560 for 2024. Every dollar you contribute reduces your taxable income by one dollar, saving you tax at your marginal rate. For someone in the 26% federal bracket, a $100 RRSP contribution saves roughly $2,600 in federal tax alone (plus provincial savings).

2. Child Care Expenses

If you pay for licensed daycare, after-school programs, summer camp, or babysitters so you can work or go to school, you can deduct these costs. The limits are $8,000 per child under 7, $5,000 per child ages 7–16, and $11,000 for children with disabilities. The deduction must be claimed by the lower-income spouse.

3. Home Office Expenses

If you worked from home for at least 50% of your work time for any 4-week period during 2024, you can claim the home office deduction. Choose between:

• Flat rate method: $2 per day worked from home, maximum $400 total. No T2200 form required.
• Detailed method: Calculate the actual percentage of your home used for work and apply it to rent, utilities, internet, maintenance. Requires a signed T2200 from your employer.

4. Moving Expenses

If you moved at least 40 kilometres closer to a new job, business location, or post-secondary school, you can deduct eligible moving costs including: moving company fees, travel costs, temporary lodging (up to 15 days), and lease break penalties. The deduction is limited to income earned at the new location.

5. Union and Professional Dues

Dues paid to a union or professional organization required for your job are 100% deductible. This includes union dues, professional association fees, malpractice insurance premiums required for your profession, and annual licensing fees required to practice.

6. Investment Loan Interest

If you borrowed money to invest in non-registered accounts (stocks, bonds, mutual funds outside a TFSA or RRSP), the interest you paid on that loan is tax-deductible as a carrying charge. This does not apply to TFSA or RRSP loan interest, and the investment must have a reasonable expectation of generating income.

Key Tax Credits (Not Deductions) to Claim

In addition to deductions, claim these valuable non-refundable and refundable credits:

• Basic Personal Amount: $15,705 (2024)
• Spousal/common-law partner amount
• Medical expenses above the threshold
• Charitable donation tax credit
• Disability tax credit
• Tuition amount (T2202)
• Age amount (65+)
• Canada Workers Benefit (refundable)