Reporting investment income to the CRA can feel complex, but the process breaks down into three main categories: capital gains, dividend income, and interest income. Each type of investment income has different tax treatment under Canadian tax law, and the CRA expects you to report all of it on Schedule 3 of your tax return. Getting this right matters because unreported investment income is one of the most common audit triggers, and the CRA has access to your investment statements through information returns filed by banks and brokers. Investment income comes in three forms that the CRA treats differently: Capital Gains When you sell an investment for more than you paid for it, you have a capital gain. Only 50% of your capital gain is taxable (this is called the "inclusion rate"), so if you have a $10,000 gain, only $5,000 is added to your taxable income. You report capital gains and losses on Schedule 3 of your tax return. Dividend Income If you own Canadian stocks, you may receive dividend payments. Canadian eligible dividends get a tax credit that benefits your overall tax situation, while non-eligible dividends are taxed at your marginal rate.
Yes, you must report interest and dividend income earned in non-registered accounts even if you didn't sell the investment. Interest is taxed annually as it's earned, and dividends must be reported when received. Capital gains only occur when you sell at a profit, but interest and dividends are annual reporting requirements.
The CRA receives copies of your T-slips electronically from your financial institution and will eventually notice the omission. This typically triggers a reassessment notice with additional tax owing plus interest charges. It's much better to self-correct and report all income initially than to be contacted by the CRA later.
No, capital losses can only be used to reduce capital gains. You cannot use capital losses to reduce employment income, business income, or investment income like interest or dividends. Unused capital losses roll back three years or forward indefinitely to offset future capital gains.
No, investment income earned inside a TFSA is completely tax-free. You don't report TFSA investment income on your tax return, and you don't pay tax on withdrawals. This makes TFSAs very attractive for investment growth, and you can explore contribution strategy using our [TFSA contribution room calculator](/tools/tfsa-calculator).
Financial institutions file information returns (T-slips) directly with the CRA, so they have a complete record of dividend payments, interest earned, and capital transactions. The CRA's matching system compares what you report to what they've already received, making unreported investment income easy to detect.