- Debts are factored directly into the equalization of net family property formula — they reduce each spouse's net worth, just as assets increase it.
- Whether a debt is joint or individual matters enormously — a creditor can pursue any joint debtor for the full amount, regardless of what a separation agreement says between the spouses.
- Your separation agreement does not bind your creditors — it only governs the spouses' obligations to each other, not to third parties like banks or credit card companies.
- Debts you had on the date of marriage are generally excluded from your net family property calculation, similar to date-of-marriage assets.
- The matrimonial home and any associated mortgage debt are treated under special rules, distinct from other property and debt.
- A well-drafted separation agreement should include an indemnification clause addressing who is ultimately responsible for specific debts between the spouses.
The Short Answer
Debt in an Ontario divorce is handled two ways at once: it factors into the equalization of net family property calculation between spouses, and separately, it remains governed by whatever your actual legal obligation to the creditor is — joint or individual — regardless of what your separation agreement says between you and your spouse.
How Debt Fits Into the Equalization Formula
Under the Family Law Act, each spouse's net family property is calculated as their assets minus their debts (with some exclusions, such as certain date-of-marriage property). The spouse with the higher net family property generally owes the other an equalization payment equal to half the difference. Debts directly reduce this calculation — a spouse with significant debt will have a correspondingly lower net family property figure.
See our guide on how property is divided in an Ontario divorce for the complete equalization formula.
Joint Debt vs. Individual Debt
Whether a debt is joint or individual is determined by your actual legal relationship with the creditor — not by what your separation agreement says. A creditor on a joint debt can pursue either spouse for the full amount, regardless of any private arrangement between the spouses about who's “really” responsible.
Debt Incurred Before the Marriage
Debt you had on the date of marriage is generally deducted when calculating your net family property, similar to how date-of-marriage assets are treated — reducing the impact of premarital debt on the overall equalization outcome.
Debt Incurred During the Marriage
Debt incurred during the marriage is generally included in the equalization calculation, reducing whichever spouse's net family property it belongs to as of the date of separation — regardless of which spouse benefited more from the spending that led to it.
One spouse accumulates significant credit card debt during the marriage on their own individual card. That debt reduces their own net family property in the equalization calculation. From the creditor's perspective, only that spouse is legally responsible for repaying it — but the debt still factors into the overall property equalization between the spouses.
Debt on the Matrimonial Home
The matrimonial home receives special treatment under the Family Law Act, and its associated mortgage debt is generally factored into the overall equalization calculation alongside the home's value — the home itself is treated differently from other property (it is not deducted as a date-of-marriage asset even if owned before the marriage), which can affect how its associated debt is treated as well.
Can You Be Responsible for Your Spouse's Individual Debt?
Generally, no, if the debt is solely in your spouse's name — you are not personally liable to a creditor for a debt you never agreed to. That debt does, however, still reduce your spouse's own net family property in the equalization calculation, indirectly affecting the overall settlement.
How Separation Agreements Typically Handle Debt
A well-drafted separation agreement typically includes specific terms addressing debt, such as an indemnification clause — where one spouse agrees to pay off a specific joint debt and to compensate the other spouse if the creditor pursues them for it despite the agreement.
Even with a strong indemnification clause, consider whether a joint debt can realistically be refinanced into one spouse's name alone, or paid off entirely as part of the settlement — this removes the ongoing risk of a creditor pursuing the “wrong” spouse entirely, rather than just providing a right to seek reimbursement after the fact.
Common Mistakes
It only governs the spouses' obligations to each other — the creditor can still pursue either joint debtor for the full amount.
Focusing only on assets while ignoring debts can significantly distort the real equalization picture.
Leaving joint debt unresolved leaves both spouses exposed to the creditor long after the relationship has ended.
Without this protection, a spouse who ends up paying a joint debt may have a harder time seeking reimbursement from the other.
Sorting out joint or individual debt as part of your separation? Call our Toronto family lawyers at 416-274-2222 for a free consultation.
Frequently Asked Questions
Debts are factored into the equalization of net family property formula, reducing each spouse's net worth just as assets increase it — but debt is not "divided" in the same physical sense as an asset. Instead, each spouse's overall net worth (assets minus debts) is what gets equalized.
Generally, no, if the debt is solely in your spouse's name — creditors can only pursue the person who is actually legally obligated on the debt. However, that debt still factors into the equalization calculation of your spouse's net family property.
Joint debt remains joint as far as the creditor is concerned — the bank or credit card company can pursue either spouse for the full amount, regardless of any agreement between the spouses about who is "really" responsible for it internally.
Not from the creditor's perspective. A separation agreement only governs the obligations between you and your spouse — it does not bind third-party creditors, who can still pursue either joint debtor for the full amount. However, the agreement can give you a right to seek reimbursement from your spouse if you end up paying more than your agreed share.
Generally, debt you had on the date of marriage is deducted when calculating your net family property, similar to how date-of-marriage assets are treated — this generally reduces the impact of premarital debt on the equalization calculation.
Debt incurred during the marriage is generally included in the equalization calculation, reducing whichever spouse's net family property it belongs to at the date of separation, regardless of which spouse benefited more from the spending that created it.
The matrimonial home is subject to special rules under the Family Law Act, and its associated mortgage debt is generally factored into the overall equalization calculation alongside the home's value, rather than being treated as an excludable premarital debt even if the mortgage predates the marriage in some circumstances.
It is a clause specifying that one spouse agrees to be responsible for, and to protect the other spouse from, a specific debt — for example, agreeing to pay off a joint credit card and to compensate the other spouse if the creditor pursues them for it. This protects the spouses' rights against each other, even though it does not bind the creditor directly.
If the debt is solely in your spouse's name, generally no — creditors can only pursue the legally obligated party. If it is a joint debt, however, you may be pursued by the creditor even if you were unaware of specific charges, which is exactly why understanding your joint financial obligations during the relationship matters.
Strongly recommended, particularly where significant joint debt is involved. A lawyer can help ensure debts are properly accounted for in the equalization calculation and that your separation agreement includes appropriate protections, like indemnification clauses, for debts that remain joint from a creditor's perspective.