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Interest income forms one component of investment income in Canada. It can arise from a range of financial products, such as savings accounts, fixed-income securities, and certain investment funds. Under the Canadian tax system, interest income may be treated differently from other types of investment returns, such as dividend income or capital gains.

Understanding how interest income tax in Canada works may help clarify how different sources of income earned from investments appear on an annual tax return. This article provides an overview of how interest income may be taxed, how it is reported, and how it compares with other forms of investment income based on publicly available information and historical guidance from the Canada Revenue Agency (CRA).

What Is Interest Income?

Interest income generally refers to money received for lending funds or holding certain interest-bearing financial products. In Canada, interest received may arise from several types of investments and financial accounts.

Common sources include:

• A bank account, including savings accounts and term deposits
• Guaranteed investment certificates (GICs) or other forms of guaranteed investment
• Government securities, such as treasury bills or historical instruments like Canada Savings Bonds
• Certain mutual funds that distribute interest
• Interest generated through foreign sources or accounts denominated in foreign currency

Interest may accumulate through compound interest, where previously earned interest is added to the principal and generates additional interest over time.

According to guidance historically published by the Canada Revenue Agency, most interest earned by individuals is considered ordinary income for tax purposes and may be included in total income when calculating income tax.

How Interest Income Is Taxed In Canada

Under Canadian tax rules, interest income may be included in taxable income and taxed at an individual’s marginal rate. Unlike some other forms of investment income, interest generally does not receive special tax adjustments.

This means:

• The full amount of interest earned during a tax year may be added to an individual’s total income.
• The applicable tax rates depend on federal and provincial brackets.

Individuals may pay tax on interest at the same rate as other types of ordinary income, such as business income or employment income.

For example, if a person earns interest from a bank account or from guaranteed investment certificates, that income earned may be included when calculating their Canadian tax liability for the year.

The tax burden associated with interest income may vary based on a taxpayer’s income level, because Canada uses a progressive tax system in which higher total income levels may correspond with higher federal tax and provincial tax brackets.

How Interest Income Is Reported

Interest income is typically reported annually through official tax documents.

Common reporting methods include:

• A tax slip issued by financial institutions (such as a T5 Statement of Investment Income)
• Documentation related to interest from mutual funds or other investments
• Statements showing interest received from foreign sources

Financial institutions may provide tax slips when interest paid to an individual exceeds a $50 threshold during the tax year. Taxpayers may then use the information on the slip when completing their tax return or the relevant federal worksheet.

The CRA generally requires individuals to report interest earned even if a tax slip is not issued. This may occur when interest totals are below reporting thresholds or when interest comes from accounts outside Canada.

Interest Income From Foreign Sources

Interest generated outside Canada may also be subject to Canadian tax. The Canadian tax system generally applies to worldwide income, meaning that income from foreign sources may still appear on a Canadian tax return.

Examples include:

• Interest from a foreign corporation issuing debt securities
• Interest earned from foreign currency bank deposits
• Returns from investments located outside Canada

When foreign interest is received, it may need to be converted into Canadian dollars using the appropriate exchange rate for the relevant period.

In some situations, taxes may already have been withheld by a foreign jurisdiction. Depending on the situation, a tax credit for foreign taxes paid may apply under certain rules described by the CRA.

Joint Accounts And Attribution Rules

Interest income may sometimes involve more than one individual, such as when funds are held in a joint account holder arrangement.

Under Canadian tax principles:

• Each account holder may report the portion of interest earned corresponding to their contribution to the account.
• Attribution rules may apply in certain circumstances, particularly when income is transferred between family members.

For example, if funds are transferred to a minor, the resulting child’s income from interest could be attributed back to the individual who provided the funds. These attribution rules may affect how interest income tax in Canada is calculated for families. However, the secondary income (interest earned on the reinvested interest) is not attributed back to the parent. It is taxed in the hands of the minor.

Registered Accounts And Interest Income

Some registered accounts may provide tax free or tax-deferred treatment for interest income.

Tax-Free Savings Account (TFSA)

Interest earned inside a tax free savings account may not be included in taxable income as long as funds remain within the account. Withdrawals may also be received tax free under the rules governing Tax Free Savings Accounts.

Registered Retirement Savings Plan (RRSP)

Interest generated inside a Registered Retirement Savings Plan may accumulate without immediate taxation. Taxes may apply later when withdrawals are made, at which point the amounts may be included in income earned for that year.

Employer-Sponsored Plans

Interest income may also accumulate in accounts such as:

• A registered pension plan
• A deferred profit sharing plan

In these plans, taxation generally occurs when funds are withdrawn rather than when interest is earned.

Interest Income Compared With Dividends And Capital Gains

Interest income represents one category of investment income, but other types may receive different tax treatment under Canadian rules.

Dividend Income

Dividends distributed by Canadian corporations may qualify as eligible dividends or non-eligible dividends. These payments may be subject to a dividend tax credit, which historically has been intended to reduce the potential for double taxation of corporate earnings.

As a result, dividend income may receive relatively more favourable tax treatment compared with interest income in some circumstances.

Capital Gains

When an investor sells capital property, such as shares, real property, or certain other investments, for more than its purchase price, the difference may be considered capital gain income.

Canadian tax rules have historically required only a portion of taxable capital gains to be included in income. This portion is determined by the capital gains inclusion rate. For example, in previous years the inclusion rate has commonly been one half, meaning 50% of the gain was included in taxable income. As of June 25, 2024, the inclusion rate increased to 66.67% (two-thirds) for capital gains realized annually above $250,000 for individuals, and for all capital gains realized by corporations and trusts. The 50% rate only applies to the first $250,000 of capital gains for individuals in a given year.

Investors may also experience a capital loss if the sale price is lower than the purchase price.

Capital Gains Exemptions

In some cases, certain gains may qualify for exemptions.

Examples may include:

• The lifetime capital gains exemption, which historically has applied to qualifying shares of small businesses or qualified farm property
• Other specific exemptions related to designated capital property

These rules may create differences between how interest income, dividend income, and capital gain income are taxed.

Examples Of Interest-Bearing Investments

Interest income may originate from a wide variety of financial instruments.

Examples include:

• Guaranteed investment certificates offered by banks or financial institutions
• Government debt, such as treasury bills
• Interest distributions from mutual funds holding fixed-income securities

The amount of interest received may vary depending on factors such as the interest rate environment, economic conditions, and indicators like the Consumer Price Index, which historically has been referenced when discussing inflation and interest rate changes.

Deductions And Expenses

In certain situations, individuals earning investment income may incur costs related to their investments.

Examples of potential expenses incurred may include:

• Legal fees related to collecting unpaid interest paid by borrowers
• Fees associated with managing investments

Whether these costs are deductible may depend on the circumstances and the nature of the investment.

Record Keeping And Reporting

Accurate record keeping may help ensure that interest income is properly documented.

Records that taxpayers often maintain include:

• Statements showing interest earned from financial institutions
• Documentation for foreign income conversions using applicable exchange rates
• Records of interest received from different investment accounts

Because most taxpayers receive information from multiple sources, keeping track of these records may assist with preparing a tax return and confirming that income reported annually matches available documentation.

Interest Income In The Context Of Canadian Taxation

Interest income represents one part of the broader Canadian tax system for individuals and investors. Alongside employment income, business income, dividend income, and capital gains, it contributes to an individual’s total income for a given tax year.

Because the tax treatment of investment income types differs, the share of interest relative to other returns, such as dividend income or capital gain income, may influence the overall tax burden.

Historically, interest income has generally been taxed at the same rate as other forms of ordinary income, while capital gains and eligible dividends may receive adjustments through mechanisms such as the capital gains inclusion rate and the dividend tax credit.

Key Takeaways on Interest Income Tax in Canada

Interest income forms a common component of investment income for many Canadians. Earnings from products such as a bank account, guaranteed investment certificates, or treasury bills may be included in taxable income and reported on an annual tax return. In contrast, other forms of returns, such as dividend income from Canadian corporations or capital gain income from selling capital property, may receive different treatment through mechanisms like the dividend tax credit or the capital gains inclusion rate. Understanding how these categories are treated under Canadian tax rules may help clarify how income earned from investments contributes to total income for a given tax year.

FAQs

What Is Interest Income For Tax Purposes In Canada?

Interest income generally refers to money earned from lending funds or holding interest-bearing investments, such as a bank account, guaranteed investment certificates, or treasury bills. According to the Canada Revenue Agency, this type of investment income may be treated as ordinary income and included in taxable income on an individual’s tax return for the tax year.

Do Canadians Need To Report All Interest Earned?

In many situations, individuals may need to report interest earned even if a tax slip is not issued. Financial institutions commonly provide slips when interest received exceeds a certain amount, but smaller amounts may still be included when filing an annual tax return.

Are There Accounts Where Interest Can Grow Tax Free?

Interest earned within registered accounts, such as a tax free savings account or registered retirement savings plan, may receive tax free or tax-deferred treatment under Canadian tax rules.