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Can a Court Impute Income When a Spouse Quits or Underearns in Ontario?

Worried your ex quit work or is underearning? Learn how imputed income can affect spousal support in Ontario and what evidence a court generally needs.

Family Law4 min readTSLBy the Treadstone Law Team · OntarioUpdated November 13, 2026
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Key takeaways
  • Imputing income means a court treats a person as earning an amount they are not actually earning, and the SSAG start from the Federal Child Support Guidelines definition of income.
  • A court can readily impute minimum-wage income to a spouse who should be working, but anything higher requires evidence.
  • A recipient must make reasonable efforts to contribute to their own support.

Spousal support depends heavily on income, so it matters a great deal if one spouse leaves a job, cuts back hours, or seems to earn less than they could. Recipients often suspect a payor is underearning. Payors often feel a recipient is not trying to become self-supporting.

This article explains in general terms how Ontario courts approach imputed income. Whether it applies to you depends on the facts, and a lawyer can help you assess that.

What "imputing income" means

To impute income is to treat someone as earning an amount for support purposes even though they are not actually earning it. The Spousal Support Advisory Guidelines (SSAG) start from the definition of income in the Federal Child Support Guidelines, and section 19 of those Guidelines is often the basis for imputing income.

The SSAG are not law, but judges often base spousal support decisions on them. Whether income might be imputed to you or your spouse, and how much, depends on your situation, so it is worth confirming with a lawyer.

Spouses who are not working but should be

For a spouse who is not working but should be, a court can readily impute minimum-wage income. Imputing anything higher requires evidence.

This applies to recipients too. A recipient must make reasonable efforts to contribute to their own support, and courts can impute income, commonly minimum wage, to a recipient who is not making those efforts. Once a recipient becomes self-sufficient, support can be terminated, but the decision is individualized and courts often decide "not yet," reducing support or setting a future end date instead.

Interim support and thin evidence

The SSAG apply to interim orders as well as final orders. Where income evidence is thin, ranges can be estimated using alternative income figures.

In a case under the Divorce Act, a court can make a temporary spousal support order until the support application is decided. That means a dispute about income does not necessarily leave support on hold.

If circumstances change later

Under the Divorce Act, a court can vary, rescind or suspend a spousal support order on an application by either or both former spouses. Before varying, it must be satisfied that either former spouse's circumstances have changed since the order or the last variation.

Only a court can change an order, through a motion to change. After it is issued, you must serve the other spouse within 30 days and file an Affidavit of Service (Form 6B). The other spouse has 30 days to respond, or 60 days if they live outside Canada or the United States.

What to do next

Frequently asked questions

Can a court assume my ex earns more than they say?

A court can impute income, and section 19 of the Federal Child Support Guidelines is often the basis for doing so. Imputing more than minimum wage requires evidence.

Can income be imputed to me if I am the recipient?

Yes. A recipient must make reasonable efforts to contribute to their own support, and courts can impute income, commonly minimum wage, if they are not.

What if I need support right away and incomes are unclear?

Under the Divorce Act, a court can make a temporary support order while the application is pending. The SSAG apply to interim orders, and ranges can be estimated using alternative income figures where evidence is thin.

Can I change my support order if my job situation changes?

If your support order was made under the Divorce Act, you can apply to a court, which must be satisfied that either former spouse's circumstances have changed since the order or last variation. Only a court can change the terms.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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