Canada's revised Federal Child Support Guidelines tables (SOR/2025-166) took effect October 1, 2025, raising the income threshold at which support begins from $13,000 to $16,000 and lowering payable amounts for most parents earning $16,000–$45,000. For Ontario parents, existing orders do not auto-update — but a materially different new table amount can justify a variation application in 2026.
This is the first comprehensive revision of the tables since 2017, according to Chambers and Partners' Family Law 2026 practice guide drawing on Justice Canada data. The tables set the presumptive baseline payment a paying parent owes based on income, province of residence, and number of children — so a nationwide revision quietly changes the math for hundreds of thousands of open files.
| Key Fact | Detail |
|---|---|
| What happened | Federal Child Support Guidelines tables revised (SOR/2025-166) |
| When effective | October 1, 2025 (shaping 2026 calculations) |
| Where | All provinces and territories where federal tables apply |
| Who's affected | Parents paying/receiving child support; new orders and variations |
| Key change | Obligation threshold rose from $13,000 to $16,000; amounts for $16,000–$45,000 earners generally dropped |
| Practical impact | Existing orders unchanged automatically; variation may now be justified |
Why this revision matters legally
The revised tables change the presumptive amount of child support courts must apply to new and varied orders across Canada. Under the Federal Child Support Guidelines, the table amount is not a suggestion — it is the starting figure a court applies based on the paying parent's income and province, with limited discretion to deviate. When Ottawa updates the tables, it updates the legal baseline itself.
The headline changes are twofold. First, the obligation floor rose from $13,000 to $16,000 in annual income — meaning a parent earning under $16,000 now generally owes no table amount, up from the prior $13,000 cutoff. Second, parents earning between $16,000 and $45,000 will generally see lower payable amounts than under the 2017 tables. These adjustments reflect updated federal tax and cost-of-living data, which is what the tables are mathematically built on.
Critically, the revision does not reach backward. An existing support order or agreement remains legally binding at its stated amount until a court or the parties change it. There is no automatic recalculation. What the new tables do provide is a fresh legal basis: if your current order was set under the 2017 tables and the 2025 table amount is materially different, that gap can support a variation application. Understanding child support fundamentals is the first step in assessing whether your number has actually moved.
How Canadian and Ontario law handle this
In Ontario, child support is governed federally by the Divorce Act for divorcing or divorced parents, and provincially by the Family Law Act for unmarried parents and those separating without divorce. Both regimes incorporate the Federal Child Support Guidelines tables, so the SOR/2025-166 revision applies whether your matter proceeds under federal or Ontario provincial law.
Under section 17 of the 2021 Divorce Act, a court may vary a child support order where there has been a change in circumstances since the order was made. A revised table amount that materially differs from the existing order can constitute that change. Ontario courts have long treated a significant Guidelines-driven discrepancy as a valid basis to revisit support, so the 2025 tables give many parents a concrete, statutory hook for review.
Ontario also offers an administrative shortcut. The province's Online Child Support Service and the federal-provincial recalculation frameworks let eligible parents update table amounts without a full court hearing when income figures change. This matters in 2026 because the new tables interact with annual income disclosure — a parent whose income shifted and whose old order used the 2017 tables may have two reasons to recalculate at once. Determining decision-making responsibility and the parenting schedule remains separate from the support number, though shared-parenting arrangements (40%+ time each) can alter how the table amount is applied under section 9 of the Guidelines.
Quebec operates its own provincial child support model rather than the federal tables, so Quebec parents should not assume the SOR/2025-166 figures apply to their calculations. Alberta and British Columbia, by contrast, use the federal tables and are directly affected by the revision.
Practical takeaways for Ontario parents
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Check whether your order predates October 1, 2025. If it was set using the 2017 tables, run your current income through the revised 2025 tables to see whether the payable amount materially changed. Our Ontario child support calculator uses the current Guidelines figures.
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Do not stop or reduce payments unilaterally. The revised tables do not retroactively lower what you owe under an existing order. Reducing payment without a new order or agreement can lead to arrears and enforcement action through Ontario's Family Responsibility Office.
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Gather your income documentation before filing anything. A variation application under section 17 of the Divorce Act turns on accurate, disclosed income — typically your latest tax return, notice of assessment, and recent pay records. Incomplete disclosure is the most common reason variation requests stall.
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Assess whether the change is genuinely material. A small dollar difference rarely justifies the cost and effort of a variation. Compare the old table amount to the new one for your income band and number of children before deciding whether court or a recalculation service is worthwhile. Building a personalized divorce roadmap can help you sequence these steps.
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If parenting time is also shifting, calculate both together. Where each parent has the child at least 40% of the time, section 9 of the Guidelines changes how support is set. Use our Ontario parenting time calculator to confirm which threshold you fall under before assuming the straight table amount applies.
The revised tables are a reminder that child support in Canada is a living calculation, not a one-time settlement. Recipients earning support for children whose paying parent falls in the $16,000–$45,000 band may see lower amounts on any new or varied order, while the raised $16,000 floor removes some lowest-income payors from obligation entirely.
If you have an existing Ontario support order and suspect the 2025 tables have moved your number, a family law lawyer can quickly confirm whether a variation is worth pursuing and handle the disclosure and filing. You can find a divorce attorney serving your area to review your specific figures.
This article discusses recent news and provides general legal commentary. It does not constitute legal advice. Every case is unique. Consult a qualified family law attorney for advice specific to your situation.