Understanding the Capital Gains Tax in Canada

Capital gains tax is an important consideration for Canadians who sell investments, real estate, or business assets. Understanding how capital gains are taxed — and the strategies available to minimize the tax — can save you significant money.

A capital gain occurs when you sell a capital property for more than its adjusted cost base (ACB) plus any selling expenses. Capital properties include stocks, bonds, mutual funds, real estate (other than your principal residence), and business assets.

In Canada, only 50% of capital gains are included in taxable income for the first $250,000 of capital gains realized in a year. Above this threshold, 66.67% of capital gains are included. This inclusion rate makes capital gains more favourably taxed than regular income.

Your principal residence is generally exempt from capital gains tax through the Principal Residence Exemption. However, you can only designate one property as your principal residence for each year, and specific rules apply when you own multiple properties.

Capital losses can offset capital gains in the current year, be carried back three years, or carried forward indefinitely. Strategic realization of losses — known as tax-loss harvesting — can reduce your overall tax burden.

The Lifetime Capital Gains Exemption (LCGE) shelters up to $971,190 (2024) of capital gains on the sale of qualifying small business corporation shares or qualified farm or fishing property. Meeting the qualification criteria requires careful planning.

The superficial loss rule prevents you from selling a security at a loss and repurchasing the same or identical security within 30 days before or after the sale. If you trigger this rule, the loss is denied and added to the ACB of the repurchased security.

Reserves allow you to defer recognition of a capital gain when you don't receive the full proceeds in the year of sale. Up to four-fifths of the gain can be reserved, with a maximum reserve period of five years.

Working with a tax professional before selling significant assets ensures you structure the transaction to minimize tax and take advantage of all available exemptions and planning opportunities.