As the year draws to a close, it’s time to think about more than just holiday plans and year-end celebrations. For Canadians, December 31 marks an important financial deadline — it’s your last chance to make moves that can significantly reduce your tax bill for the year.
Effective year-end tax planning isn’t about scrambling at the last minute; it’s about making informed decisions that can improve your financial position before you file your return. Whether you’re an employee, business owner, or investor, a few proactive steps now can lead to meaningful savings later.
This guide walks through the most important strategies to consider before December 31 to help you minimize taxes and start the new year on stronger financial footing.
1. Maximize Your RRSP and TFSA Contributions
One of the most effective ways to reduce your taxable income is by contributing to your Registered Retirement Savings Plan (RRSP). Contributions made before the RRSP deadline — typically the end of February — can be deducted from your taxable income for the current tax year. However, making your contributions earlier, before December 31, gives your investments extra time to grow tax-deferred.
If you expect your income to be lower next year, you can still contribute to your RRSP now and choose to claim the deduction later, when you’re in a higher tax bracket. This flexibility allows you to plan ahead strategically.
The Tax-Free Savings Account (TFSA) is another valuable tool. While contributions to a TFSA don’t reduce your taxable income, all investment growth and withdrawals are tax-free. If you haven’t used your full contribution room for the year, topping up your TFSA before December 31 ensures that any growth starts immediately.
Tip: You can check your RRSP and TFSA contribution limits by logging into your CRA My Account.
2. Review Capital Gains and Losses
If you’ve sold investments such as stocks or mutual funds during the year, it’s worth reviewing your realized capital gains and losses. Capital gains are only 50% taxable in Canada, but they can still push you into a higher tax bracket.
One effective strategy is tax-loss selling — selling investments that have decreased in value to offset your capital gains for the year. The resulting capital loss can be applied against gains in the current year, carried back three years, or carried forward indefinitely.
However, be careful with the “superficial loss rule.” If you sell an investment and repurchase it (or a similar one) within 30 days, the loss will be denied. Plan any transactions carefully, and keep detailed records of your trades.
3. Take Advantage of Charitable Donations
If you’re planning to make charitable donations, doing so before December 31 ensures you can claim the tax credit on your 2025 return.
Charitable donation credits can reduce your tax bill by as much as 50% depending on your province and income level. The first $200 of donations gets a lower credit rate, but any amount beyond that receives a higher one. Consolidating donations into one year rather than spreading them out can therefore increase your overall benefit.
You can also donate publicly traded securities directly to a registered charity. This strategy eliminates the capital gains tax on the appreciated securities while still granting you a charitable donation receipt for the full market value — a win-win for both you and the charity.
4. Consider Income Splitting Opportunities
If you have a spouse, common-law partner, or family members in a lower tax bracket, income splitting can be an effective way to reduce the family’s overall tax burden.
Some income-splitting methods include:
- Contributing to a spousal RRSP, which shifts taxable income to the lower-income spouse in retirement.
- Paying reasonable salaries to family members who work in your business.
- Using a prescribed-rate loan to shift investment income to a lower-income family member.
These strategies must be implemented correctly and documented to comply with CRA rules. Consult your tax professional to ensure they’re appropriate for your situation.
5. Review Your Business Expenses and Purchases
For small business owners and self-employed individuals, December is the ideal time to review expenses and potential deductions.
Purchasing equipment, tools, or software before year-end allows you to claim capital cost allowance (CCA) earlier. Even though you’ve just acquired the asset, you’re still entitled to a half-year CCA deduction in the year of purchase.
Consider prepaying certain deductible expenses, such as insurance premiums, rent, or professional fees, before December 31. This can accelerate your deductions into the current year and reduce your taxable income.
Keep receipts, invoices, and records organized — good documentation is key if the CRA ever reviews your return.
6. Make Use of Medical and Childcare Expenses
Medical expenses can only be claimed once they exceed a certain threshold — generally the lesser of 3% of your net income or a fixed dollar amount (which changes annually). If you’re close to that limit, consider paying for any upcoming medical expenses before year-end so they count toward this year’s total.
The same applies to childcare expenses, which can provide significant deductions for parents. Payments made before December 31 will be eligible for this tax year’s claim. Review your receipts from daycare, summer camps, or babysitting services to ensure everything is properly documented.
7. Review Your Investment Income and Dividends
Different types of investment income — such as interest, dividends, or capital gains — are taxed differently. Reviewing your investment portfolio before year-end can help you balance income and minimize taxes.
For example, if you’re holding investments that generate high taxable interest income, consider moving them into a registered account like a TFSA or RRSP. Meanwhile, investments generating eligible dividends or long-term capital gains may be more tax-efficient to hold in a non-registered account.
If you’re close to moving into a higher tax bracket, deferring the sale of a profitable investment until January could help keep your 2025 income lower.
8. Use Up Any Remaining Tax Credits
Don’t let valuable credits go unused. Review whether you’ve maximized:
- Tuition and education credits (can be transferred to a spouse or parent)
- Disability tax credit or caregiver credits
- Home accessibility or renovation credits for seniors or people with disabilities
- First-Time Home Buyer’s Amount if you purchased your first home in 2025
Each of these credits can reduce your tax payable, but many have annual limits or cutoffs that make year-end the last opportunity to claim them.
9. Review Your Withholdings and Instalments
If you’ve had a significant change in income this year — a new job, side business, or investment income — your tax withholdings or instalments may no longer match your actual tax liability.
Overpaying means giving the CRA an interest-free loan; underpaying can result in penalties and interest. Reviewing your pay stubs or instalment notices before year-end helps ensure you’re on track.
If you’ve paid more than necessary, you can adjust your withholdings for next year to improve cash flow. If you’re behind, making an instalment payment before December 15 can help you avoid penalties.
10. Plan for Next Year’s Tax Efficiency
While year-end planning focuses on the current tax year, it’s also the perfect time to prepare for the next one. Consider:
- Reviewing your registered account strategy to ensure you’re making regular contributions instead of lump-sum payments at deadline.
- Updating your beneficiary designations and estate plans.
- Setting up a record-keeping system for receipts, mileage logs, and invoices to simplify next year’s filing.
Tax planning is most effective when it’s ongoing. By reflecting on what worked this year and what didn’t, you can set up better systems and strategies for 2026.
Final Thoughts
The end of the year is more than just a time for reflection — it’s your last opportunity to take meaningful steps that can lower your taxes and strengthen your financial position. From maximizing contributions and claiming deductions to reviewing investments and credits, every decision made before December 31 can make a difference.
Tax laws evolve, and everyone’s situation is unique. Consulting a tax professional ensures you’re making the most of available deductions and planning ahead for next year’s changes.
Call to Action
At Multani Professional Tax Services, Professional Corporation, our team specializes in helping individuals and businesses make informed tax decisions that lead to real savings. Don’t wait until filing season to discover missed opportunities — schedule a year-end tax consultation today and take control of your 2025 taxes before it’s too late.
Disclaimer
The information discussed in this article is general in nature and should not be construed as any sort of advice. If you have any particular questions regarding your personal tax situation, please reach out to sandeep@multanitax.ca.
Photo by Priscilla Du Preez 🇨🇦 on Unsplash
