Retirement can be a valid basis to reduce or terminate Illinois alimony (called maintenance), but it is not automatic. Under 750 ILCS § 5/510, the retiring payor must prove a substantial change in circumstances and that retirement was made in good faith. If the payor holds sufficient assets, the obligation may continue despite lower income.
Key Facts: Alimony and Retirement in Illinois
| Factor | Illinois Detail |
|---|---|
| Filing Fee | $250–$388 (Cook County $388, DuPage $348); responding spouse $218–$251 |
| Waiting Period | No statutory cooling-off; 90-day residency must be met before judgment |
| Residency Requirement | 90 consecutive days for one spouse before judgment (750 ILCS § 5/401) |
| Grounds | No-fault only: irreconcilable differences (750 ILCS § 5/401) |
| Property Division Type | Equitable distribution (not 50/50) (750 ILCS § 5/503) |
| Maintenance Statute | 750 ILCS § 5/504 |
| Modification Standard | Substantial change in circumstances (750 ILCS § 5/510) |
Filing fees are accurate as of January 2026. Verify with your local circuit clerk.
How Alimony Works in Illinois
Illinois calls alimony "maintenance," governed by 750 ILCS § 5/504. When the combined gross annual income of both spouses is below $500,000, courts apply a guideline formula: the annual maintenance amount equals 33.3% of the payor's net income minus 25% of the payee's net income, capped so the payee's total income does not exceed 40% of combined net income.
Maintenance is not guaranteed in Illinois. Courts award it only after evaluating fourteen statutory factors under 750 ILCS § 5/504(a), including each spouse's income, needs, earning capacity, age, and health. When combined gross income exceeds $500,000, the formula becomes advisory only, and judges set amounts using the Section 504(a) factors. The duration of maintenance scales with marriage length, ranging from 20% of the marriage for unions under 5 years to indefinite maintenance for marriages of 20 years or more. Understanding this framework matters because retirement intersects directly with these factors, especially the age, health, and earning-capacity considerations that courts weigh when a payor stops working.
Can I Stop Alimony When I Retire in Illinois?
Retirement can justify reducing or ending Illinois maintenance, but it is never automatic. Under 750 ILCS § 5/510(a-5), a payor must petition the court and prove retirement created a substantial change in circumstances. Courts reduce or terminate maintenance more readily when the payor reaches full retirement age and retires in good faith, but scrutinize early retirement closely.
The central question Illinois courts ask is whether the retirement was reasonable and made in good faith, not as a scheme to escape support. The phrase "can I stop alimony when I retire" has no blanket answer because the outcome depends on your retirement age, your assets, and the terms of your divorce judgment. Section 510(a-5)(7) directs judges to review the age at retirement, the reasonableness of the decision, and the financial impact on each party. A payor who retires at 67 after a 35-year career typically presents a stronger case than one who retires at 55 with substantial earning capacity remaining. Critically, retirement income alimony analysis also examines whether retirement was foreseeable. Under 750 ILCS § 5/510(a), foreseeability is not a defense unless the future event was expressly specified in the divorce judgment or settlement agreement.
The Asset Rule: Why Lower Income May Not Be Enough
A reduction in income alone does not guarantee relief from alimony in Illinois. Even when a payor retires and loses wage income, courts can order maintenance to continue if the payor holds sufficient assets. The controlling case, In re Marriage of Folley, 2021 IL App (3d) 180427, holds that asset-rich retirees may be required to fund maintenance from their property.
This is the most misunderstood aspect of retiring and paying alimony in Illinois. Many payors assume that walking away from a paycheck ends their obligation, but the Folley court ruled otherwise. The opinion states that "where a payor spouse has sufficient assets to continue to meet his or her maintenance obligation after retirement, a reduction in income does not, in and of itself, constitute a substantial change in circumstances to support a termination or reduction of maintenance." In practice, a retiree with a $1.2 million retirement portfolio and a $700,000 home may be ordered to continue payments from those resources even with zero wage income. The court evaluates total financial means, not just current cash flow, when deciding whether alimony after retirement age should change. This rule protects recipients who structured their post-divorce finances around expected support.
How to Modify Maintenance After Retirement
To modify alimony after retirement in Illinois, you must file a petition to modify maintenance in the court that issued your divorce judgment under 750 ILCS § 5/510(a-5). Illinois law prohibits retroactive modification before the petition filing date, so prompt filing is essential. Payments owed before you file cannot be reduced, even if your income already dropped.
The modification process follows a clear sequence. First, file the petition detailing the substantial change in circumstances and the legal basis for relief. Second, serve the petition on your former spouse. Third, exchange updated financial disclosures showing your post-retirement income, assets, and expenses. Fourth, attend a hearing where the court weighs the Section 510(a-5) factors. A critical warning applies throughout: never reduce payments on your own before a court order issues. Self-help reductions create arrearages that courts can enforce with contempt penalties, wage garnishment, and interest. If you and your former spouse agree on new terms, you must still enter an agreed court order documenting the modification. The timing rule makes retiring and paying alimony a matter where filing the petition before or immediately upon retirement protects your financial position.
When Illinois Maintenance Ends Automatically
Illinois maintenance terminates automatically by operation of law upon three statutory events under 750 ILCS § 5/510(c): the death of either party, the remarriage of the recipient, or the recipient's cohabitation with another person on a resident, continuing conjugal basis. Remarriage ends maintenance on the marriage date; cohabitation requires the payor to prove it in court.
These termination events operate differently from retirement-based modification. Remarriage and death end the obligation automatically without a hearing, and a payor is entitled to reimbursement for any maintenance paid after the recipient's remarriage date. Cohabitation, however, does not terminate maintenance automatically. The payor carries the burden to prove the recipient lives with another person in a marriage-like relationship, and termination dates back to when cohabitation began. The statute also imposes a notice duty: a recipient must inform the payor at least 30 days before remarrying, or within 72 hours if the decision is made within that window. Retirement is not on this automatic-termination list. Instead, retirement is analyzed as a potential substantial change in circumstances under the modification provisions of 750 ILCS § 5/510(a-5).
Maintenance Duration by Marriage Length
Illinois sets maintenance duration by multiplying the marriage length by a statutory factor under 750 ILCS § 5/504(b-1)(1)(B). Factors range from 0.20 for marriages of 5 years or less up to indefinite maintenance for marriages of 20 years or more. For couples nearing retirement after a long marriage, this duration can extend well past the payor's working years.
| Length of Marriage | Statutory Factor | Example (Duration) |
|---|---|---|
| 5 years or less | 0.20 | 5-year marriage = 12 months |
| More than 5 to under 10 years | 0.40 | 8-year marriage = 38.4 months |
| 10 to under 15 years | 0.60 | 12-year marriage = 86.4 months |
| 15 to under 20 years | 0.80 | 18-year marriage = 172.8 months |
| 20 years or more | Length of marriage or indefinite | 25-year marriage = indefinite |
This duration framework explains why retirement and alimony so often collide. A spouse married 22 years who divorces at 60 may receive indefinite maintenance, meaning the payor's obligation continues even after retiring at 65 or 67. The marriage length is measured from the wedding date to the date the divorce petition was filed. For long-married couples, the intersection of indefinite duration and retirement is precisely where modification petitions become essential, because the underlying order does not end on its own when the payor stops working.
Contemplated Retirement in Your Settlement Agreement
A divorce settlement can expressly address retirement, which changes how courts treat a later modification request. Under 750 ILCS § 5/510(a), foreseeability is not a defense to modification unless the future event is specified in the court order. Couples can therefore name retirement as a contemplated change that permits maintenance adjustment when the payor retires.
This drafting strategy carries significant weight. When a marital settlement agreement explicitly identifies the payor's retirement as a triggering event for review or modification, the recipient cannot later argue the retirement was foreseeable and therefore barred as a basis for change. Conversely, if the agreement is silent and the divorce occurred when the payor was already nearing retirement age, a court may find the retirement was anticipated. Sophisticated agreements often specify a target retirement age, a mechanism for recalculating maintenance, and whether the obligation continues from assets. For anyone divorcing within a decade of expected retirement, negotiating clear retirement language protects against future litigation. The alternative, leaving retirement unaddressed, forces both parties into the uncertain good-faith analysis the courts apply under Section 510(a-5)(7).
Filing Fees and Residency for Illinois Modification
Filing a maintenance modification petition in Illinois requires meeting the same court and residency framework as the original divorce. The initial divorce filing fee ranges from $250 to $388, with Cook County charging $388 and DuPage County $348, while the responding spouse pays a separate appearance fee of $218 to $251. At least one spouse must have resided in Illinois for 90 consecutive days before judgment under 750 ILCS § 5/401.
For post-divorce modification, you file in the court that entered your original judgment. Fee waivers exist for households at or below 125% of the federal poverty guidelines, which can matter for retirees on fixed incomes seeking to reduce their obligation. Illinois requires no separate county-residency period for divorce, but venue rests in the county where either spouse resides under 750 ILCS § 5/104. These figures are accurate as of January 2026; because circuit clerks adjust fees periodically, verify current amounts with your local clerk before filing. Retirees pursuing modification should budget for the petition fee, potential motion fees, and possible attorney costs, weighed against the maintenance savings a successful modification produces.