Submitted by: Glen Izzard, CIM; Investment Advisor, Portfolio Manager
If this year was a strong one for your portfolio, you might be smiling — until tax time.
Because when your investments do well, there’s a good chance the Canada Revenue Agency (CRA) wants its share too.
Here’s the thing: not all investment income is taxed equally.
In fact, the difference between interest, dividends, and capital gains can have a surprisingly big impact on how much you keep after taxes. Understanding these distinctions can help you make smarter, more tax-efficient investment decisions.
1. Interest Income — Where It Hurts Most
Let’s start with the least tax-friendly of the bunch: interest income.
When you earn interest—say from GICs, bonds, or high-interest savings accounts—it’s fully taxed at your highest marginal rate.
For example, if you hold $10,000 in a 5% GIC, you’ll earn $500 in interest. If your income puts you in roughly the 45% tax bracket, that means $225 of that $500 goes straight to taxes. Ouch.
That’s why many investors choose to hold their interest-earning investments in registered accounts like RRSPs or TFSAs, where the tax bite is deferred or eliminated entirely. Inside a registered account, interest income can compound quietly without losing ground to taxes each year.
2. Dividend Income — A Friendlier Option
Next up: dividends.
If you own shares in companies like the big six Canadian banks, you likely receive dividend payments each quarter. These payments are essentially a share of the company’s profits.
Dividends come in two main flavours: eligible and non-eligible.
- Eligible dividends (from most large public corporations) are taxed at a lower rate, thanks to a dividend tax credit designed to prevent double taxation.
- Non-eligible dividends (from small Canadian corporations, for instance) are taxed at a higher rate, though still more favourably than interest income.
So, if you’re building a portfolio outside your RRSP or TFSA, dividend-paying stocks can be a tax-efficient way to generate income—especially if you’re in a moderate tax bracket.
3. Capital Gains — The Most Tax-Efficient of All
Finally, the clear winner in the tax-efficiency race: capital gains.
When you sell an investment — say a stock, ETF, or mutual fund — for more than you paid, the profit is a capital gain. But here’s the tax advantage: only half of that gain is taxable.
Let’s simplify it.
You buy a stock for $10 and sell it for $15. That’s a $5 gain. Only half — $2.50 — is added to your taxable income. If you’re in a 45% tax bracket, you’ll owe roughly $1.13 in tax on that gain.
And if you sell an investment at a loss, you can use that capital loss to offset future gains, reducing your tax bill even further.
The takeaway? Long-term investing, rather than constant buying and selling, can help minimize taxable events and keep more money in your pocket.
4. Don’t Forget About Foreign Withholding Taxes
If you invest beyond Canadian borders, there’s another layer to consider: foreign withholding taxes.
For instance, the U.S. government automatically withholds up to 30% on dividends or interest paid to Canadians. Thankfully, the Canada-U.S. tax treaty reduces this to 15% (or even 0% for certain types of income) when you file the proper paperwork, like the W-8BEN form.
And here’s a tip worth noting:
If you hold U.S. investments inside an RRSP, those withholding taxes don’t apply. That exemption doesn’t extend to TFSAs, so be strategic about where you hold your U.S. assets.
While this might all sound technical, understanding how your investment income is taxed is a powerful part of growing and protecting your wealth.
Think of it this way: earning a higher return means little if unnecessary taxes erode your gains.
So, before you make your next investment decision — or celebrate this year’s performance — take a moment to review how your portfolio is structured from a tax perspective.
A quick conversation with a financial advisor can reveal ways to reduce your tax drag, improve your after-tax returns, and align your investments with your broader financial goals.
This article is for informational purposes only and does not constitute personalized investment advice. Please consult a licensed Tax Professional for tax advice.
About Glen Izzard
Based in Meaford, Ontario, Glen Izzard is a Chartered Investment Manager (CIM®) and Discretionary Portfolio Manager with over 15 years of experience helping clients navigate investing, cash flow, estate planning, and retirement transitions.
Known for his client-first approach, Glen focuses on building clarity, confidence, and long-term results. An active community supporter, he serves as treasurer for the Meaford Chamber of Commerce and as Assistant Coach with Georgian Bay Lightning Hockey. Glen’s mission is simple: provide thoughtful guidance, practical strategies, and a steady hand so clients can stay on course — financially and in life.
Please Contact: (226) 909-8688 glen.izzard@optimizewealth.com www.greenpeaksecurities.ca
