How Spousal Support Is Calculated (SSAG)

Spousal support turns on two questions, in order. First: is there an entitlement at all? Second: if there is, how much and for how long? The Spousal Support Advisory Guidelines only answer the second. Running the numbers before settling the first is the most common mistake people make on their own.

Step one: entitlement

An income gap alone does not create an obligation. Entitlement generally comes from one of three places:

• Compensatory. One partner's earning capacity suffered for the relationship — stepping back from a career, moving for the other's job, carrying the childcare load — while the other's grew.
• Non-compensatory. One partner has a genuine need and the other has the means, and the relationship itself created the interdependence.
• Contractual. An agreement provides for support, or expressly releases it.

Where none applies, there may be no entitlement no matter what the calculator says. This applies to married spouses under the federal Divorce Act and, in Alberta, to adult interdependent partners under the Family Law Act.

Step two: the SSAG ranges

The Spousal Support Advisory Guidelines are advisory, not law. No statute makes them binding. In practice, courts across Alberta and negotiating lawyers use them constantly, and a proposal far outside the range needs a reason. They produce a range for amount and a range for duration — never a single number.

There are two formulas, and which one applies changes the answer completely:

The "without child support" formula

Used where no dependent children are in the picture. It is driven almost entirely by the gross income difference and how long you lived together:

• Amount: roughly 1.5% to 2% of the gross income difference for each year of cohabitation, up to a ceiling of half that difference.
• Duration: roughly half a year to one year of support for each year of cohabitation — becoming open-ended where the relationship lasted 20 years or more, or where the years of cohabitation plus the recipient's age at separation reach 65.

The "with child support" formula

Used where dependent children are involved. Child support is calculated first and comes off the top; spousal support is then set by dividing the remaining net disposable income between the two households within a set range. It is more complex, sensitive to tax and benefits, and effectively requires the software family lawyers use.

What moves you within the range

• The strength of the compensatory claim.
• Realistic steps toward self-sufficiency, and how long they will take.
• Debt, and how the property division landed.
• Health or age limiting a return to work.
• Support obligations to a second family.

Where SSAG does not apply cleanly

• High incomes. Above a payor gross income ceiling — currently in the range of $350,000 — the formulas stop being presumptive and the analysis becomes individual.
• Low incomes. Below a floor around $20,000 of payor income, the formulas generally do not generate support.
• Short relationships without children, where entitlement itself is often the whole argument.
• Unusual circumstances — disability, a payor with no capacity to pay, or a prior agreement that governs.

Support is not permanent by default

Even open-ended support can be reviewed or varied when circumstances change materially — retirement, illness, job loss, a recipient's income rising. We cover the mechanics in spousal support reviews and variations in Alberta.

Frequently asked questions

Is a SSAG calculation binding on us?

No. It is a starting point that carries real weight in negotiation and in court, but the range is a range, and entitlement still has to be established first.

Do the Guidelines apply to common-law partners?

They are applied to adult interdependent partner claims in Alberta as well, once entitlement is established under the Family Law Act.

Is spousal support taxable?

Periodic support paid under a written agreement or court order is generally deductible for the payor and taxable to the recipient. A lump sum usually is not. Because the formulas work on gross income, the tax treatment materially changes what a number is actually worth — get it structured properly.

Does remarriage end support?

Not automatically. It is a change in circumstances that can support a variation, and its effect depends on whether the claim is compensatory or need-based.