High-Income Support

How High-Income Child Support Works in the United States

High-income child support in the United States operates through state-specific guideline caps and formulas, with courts retaining discretion to award additional support above these thresholds based on the children's proven needs. As of 2025-2026, most states have updated their income caps to better reflect economic realities, though significant variation exists across jurisdictions.

State Income Caps and Thresholds (2025-2026)

Each state establishes a maximum combined parental income level at which guideline formulas apply. Above these caps, courts exercise discretion to determine appropriate support amounts. The following represents current thresholds across major states:

Texas increased its child support cap from $9,200 to $11,700 in monthly net resources effective September 1, 2025—a 27% adjustment representing the first change since 2019. Under Texas Family Code § 154.125, the guideline percentages (20% for one child, 25% for two, 30% for three) apply only to the first $11,700 of monthly net income. For a parent earning above this amount, maximum guideline support for one child increased from $1,840 to $2,340 per month.

New York's Child Support Standards Act (CSSA) cap rose to $183,000 in combined parental income effective March 1, 2024, remaining in effect through February 28, 2026. The New York Domestic Relations Law § 240 applies fixed percentages—17% for one child, 25% for two, 29% for three—to income up to this cap. Above $183,000, courts apply the same percentages but may also consider ten statutory factors including the child's pre-divorce standard of living.

Massachusetts significantly expanded its guidelines in 2025 to calculate support on combined incomes up to $450,000—one of the highest caps nationally. This expansion reflects the state's recognition that high-income families should not face arbitrary limits that fail to account for children's reasonable needs.

Colorado enacted HB 25-1159, effective March 1, 2026, extending guideline tables to $40,000 in combined monthly income (up from $30,000). This change eliminates extrapolation requirements in many high-income cases, providing greater predictability under C.R.S. § 14-10-115.

Washington State updated its tables effective January 1, 2026, covering combined monthly net incomes up to $50,000—dramatically expanding from the previous $12,000 cap. This represents one of the most aggressive high-income guideline expansions in recent years.

California's "Extraordinarily High Income" Standard

California takes a unique approach under Family Code § 4057, which became operative September 1, 2024. The guideline formula under Family Code § 4055 is presumptively correct, but courts may deviate when the paying parent has "extraordinarily high income" and guideline support would exceed the children's needs.

The burden falls on the parent seeking reduced support to prove that application of the guideline would be "unjust or inappropriate." California courts have generally interpreted "extraordinarily high income" to mean well above $2 million annually—hundreds of thousands or low millions typically do not qualify for deviation.

Florida's Discretionary Approach

Florida Statute 61.30 provides guideline amounts based on combined parental income, but courts retain broad discretion to deviate up to 5% above or below calculated amounts for special circumstances. When combined income exceeds the guideline table maximum, Florida courts determine appropriate support based on the children's established needs and parental ability to pay.

Above-Guidelines Calculations

For parents earning above state caps, courts typically consider:

1. The child's established standard of living during the marriage
2. Actual expenses for education, extracurriculars, healthcare, and childcare
3. Extraordinary needs such as special education or medical conditions
4. The non-custodial parent's lifestyle as evidence of available resources
5. Both parents' financial circumstances including other obligations

Texas courts, for example, may order support above the $11,700 cap only upon showing that the child's proven needs require additional support beyond the guideline amount. The requesting parent must present evidence documenting specific expenses and needs that justify deviation.

Spousal Support (Alimony) for High Earners

High-income spousal support calculations vary significantly by state:

Illinois applies its formula (33.3% of higher earner's net minus 25% of lower earner's net, capped at 40% of combined net) to incomes up to approximately $500,000 per year. Above this threshold, courts use discretionary analysis.

New York caps its maintenance formula at payor income of $228,000 (2025-2026), running two parallel formulas and awarding the lesser amount. The standard formula takes 30% of payor income minus 20% of payee income.

California uses the temporary support formula (40% of higher earner's income minus 50% of lower earner's income) for pendente lite support. For long-term support, no formula applies—judges conduct discretionary analysis of 14 mandatory factors under Family Code § 4320. Beginning January 1, 2026, California aligns with federal tax treatment: spousal support becomes neither deductible nor taxable for state purposes under SB 711.

Tax Implications Since 2019

The Tax Cuts and Jobs Act (2017) eliminated the federal alimony deduction for orders entered after December 31, 2018. A high-earner in the 32% tax bracket paying $3,000/month in alimony previously had an effective cost of approximately $2,040 after the deduction. Post-TCJA, that same $3,000 costs exactly $3,000—a 47% increase in real financial burden. This shift significantly impacts high-income divorce negotiations.

Modification Rights

Existing child support orders do not automatically update when guideline caps change. Parents seeking recalculation must file formal modification petitions. Most states recognize cap increases as a "material and substantial change in circumstances" providing grounds for modification, though retroactive adjustments are typically limited.

How High-Income Support Works in Canada

Canada's high-income support framework operates through the Federal Child Support Guidelines (SOR/97-175) and the Spousal Support Advisory Guidelines (SSAG), both establishing specific thresholds where standard formulas give way to discretionary analysis. The $150,000 income threshold for child support and $350,000 ceiling for spousal support represent critical inflection points where courts must balance formulaic predictability against individualized assessment.

Section 4: Child Support Above $150,000

The Federal Child Support Guidelines establish table amounts for annual incomes up to $150,000. Above this threshold, Section 4 provides two calculation methods:

Section 4(a) – Table Plus Percentage: The court orders the table amount for $150,000 plus a prescribed percentage of income exceeding that threshold. For example, a parent earning $400,000 with two children would pay:

• Base amount at $150,000: $2,077/month
• Plus 1.2% of remaining $250,000: $3,000/month
• Total: $5,077/month

Section 4(b) – Discretionary Analysis: The court orders the table amount for the first $150,000 plus an amount the court "considers appropriate, having regard to the condition, means, needs and other circumstances of the children" for income above the threshold.

Strong Presumption for Table Amounts

Canadian courts are highly reluctant to depart from table amounts even at extreme income levels. The Supreme Court of Canada's landmark decision in Francis v. Baker (1999 CanLII 659) established that:

• There is a strong presumption favoring table amounts for all incomes over $150,000
• The burden to rebut this presumption falls on the paying parent
• Only "clear and compelling evidence" justifies deviation
• The table amount of $10,034/month for two children on income of $945,538 was upheld

A more recent Ontario Court of Appeal decision upheld table support of $11,000/month based on income of $1.65 million, further reinforcing the presumption's strength.

Arguments for Reduced Support

Payors seeking deviation from table amounts typically argue:

1. Unreasonable wealth transfer: The formula produces a transfer of wealth to the recipient parent exceeding any reasonable need of the child
2. Modest living standard: The family maintained a modest lifestyle during marriage that can be preserved with less than formula support
3. Child's actual needs: Documented expenses demonstrate the child's reasonable needs fall significantly below the table amount
4. Inappropriate lifestyle inflation: The support would fund a lifestyle the child never experienced during the intact family

Provincial Variations in Table Amounts

Each province has specific table amounts reflecting provincial tax rates. At $150,000 annual income for one child:

Province	Monthly Amount
Ontario	$1,299
Alberta	$1,318
British Columbia	$1,281
Quebec	Uses different model

The 2025 federal tables were updated effective October 1, 2025, using 2023 tax rules. These changes do not automatically modify existing orders—parents must apply for variation.

Quebec's Distinct System

Quebec operates under the Civil Code and the Regulation Respecting the Determination of Child Support Payments rather than the Federal Child Support Guidelines. Key differences include:

• Income-shares approach: Both parents' incomes determine the basic annual contribution, then allocate proportionally based on each parent's share of combined disposable income
• General cap: Support generally should not exceed half of the paying parent's available income
• Annual exchange requirement: The Civil Code of Québec requires parents to exchange financial information annually, including income statements and tax documents
• Discretionary adjustment: Courts may increase or reduce support based on either parent's assets or the child's available resources

SSAG Spousal Support Ceiling: $350,000

The Spousal Support Advisory Guidelines establish a floor ($20,000 minimum payor income) and ceiling ($350,000) for their formulas. Key principles for incomes above the ceiling:

At the Ceiling:

• SSAG formulas are presumptive only up to $350,000
• Support "usually does increase" for payor incomes above $350,000, but not automatically
• The ceiling is not an absolute cap—it marks where formulaic application becomes discretionary

Incomes "Not Too Far Above" the Ceiling ($350,000-$700,000):

• Courts often apply SSAG ranges with outcomes falling in the low-to-mid range
• Formula calculations remain useful reference points
• Individual circumstances receive greater weight

Incomes "Far Above" the Ceiling (above $700,000):

• Support ordered usually falls below the low end of SSAG ranges
• Courts conduct fully individualized, fact-based analysis
• SSAG calculations are still performed as reference points

Best Practices for High-Income Cases

Legal counsel in high-income Canadian support cases should calculate SSAG ranges at multiple income levels:

• The $350,000 ceiling (as a minimum reference)
• The full actual income (as a maximum reference)
• Intermediate income levels to assist court triangulation

For child support, even when payor income exceeds $1 million, courts typically order the formulaic table amount for child support while potentially using a lower income figure for SSAG spousal support calculations.

Divorce Act 2021 Terminology

Under the 2021 Divorce Act amendments, Canadian family law uses specific terminology:

• Parenting arrangements (not "custody")
• Decision-making responsibility (not "custody")
• Parenting time (not "visitation")

These terms apply regardless of income level and reflect Parliament's focus on the child's best interests rather than parental rights.

Section 7 Extraordinary Expenses

Beyond base table amounts, Section 7 of the Federal Child Support Guidelines addresses extraordinary expenses that may be shared proportionally based on income:

• Childcare expenses for employment or education
• Health-related costs exceeding insurance coverage
• Extraordinary educational expenses (private school, tutoring)
• Extracurricular activities
• Post-secondary education costs

In high-income cases, Section 7 expenses can add thousands monthly to base support obligations, with each parent contributing proportionally to their respective incomes.