How TFSA Investment Gains Affect Future Contribution Room

When you withdraw from a TFSA, the amount withdrawn—not your original contributions—is generally added back to room the next January. Growth can increase that amount; investment losses can reduce it.

Adapted from a guide first written for Quebec readers: passages specific to Quebec were removed. Rules in your province may differ.

TFSA contribution room is not a running total of the money you originally deposited. When you withdraw funds, the withdrawal amount is generally added back to your contribution room on January 1 of the next calendar year. This means investment growth and investment losses can affect how much room returns.

Example: an investment grows before you withdraw

You contribute $10,000 and, over time, your TFSA holdings grow to $50,000. If you withdraw the full $50,000, the withdrawal—not just the original $10,000 contribution—is normally added back to your room the following January. The result follows the withdrawal-room formula; it is not a special tax deduction or a guaranteed investment strategy.

Losses work the other way

If $10,000 invested in a TFSA falls to $2,000 and you withdraw $2,000, the amount added back next year is generally $2,000. The lost value does not create extra contribution room or a tax deduction. A TFSA shelters eligible investment income from tax, but it does not remove investment risk.

Timing and overcontributions

The withdrawal is not restored immediately. Unless you have enough unused room already, putting the money back in during the same year can create an excess contribution. The annual dollar limit is only one part of your personal room: prior contributions, withdrawals, age and years of Canadian residency may also matter. Keep your own transaction history and check the CRA’s records, which can lag recent activity.

Use the rule as a planning detail, not an investment rationale

A strong return can result in a larger future room after a withdrawal, but choosing a speculative investment solely to “create TFSA room” is risky. A loss can permanently reduce the amount that returns, and losses inside a TFSA are not deductible. Choose investments based on your time horizon, diversification and ability to tolerate risk—not a hoped-for room effect.

See the CRA’s official pages on withdrawals and contribution room. Version française →

Sources and limits

Official source: Canada Revenue Agency, TFSA withdrawal and contribution-room rules, checked October 7, 2026. Examples are illustrative and do not account for an individual's full contribution history.

General information based on federal and national rules; provincial rules may differ. Confirm with the official body before acting.