Rehabilitative alimony in Illinois is delivered through "fixed-term maintenance" under 750 ILCS 5/504, designed to support a lower-earning spouse while they gain education or job skills to become self-supporting. Illinois calculates the amount using a formula: 33.33% of the payor's net income minus 25% of the recipient's net income, capped at 40% of combined net income.
Key Facts: Illinois Divorce and Maintenance
| Item | Detail |
|---|---|
| Filing Fee | $388 in Cook County (2026); $250–$321 in most other counties |
| Waiting Period | No mandatory wait if both spouses agree; 6-month separation presumption if contested |
| Residency Requirement | 90 days for one spouse by date of judgment (750 ILCS 5/401) |
| Grounds | Irreconcilable differences (sole no-fault ground) |
| Property Division Type | Equitable distribution (750 ILCS 5/503) |
| Maintenance Formula | 33.33% payor net income − 25% recipient net income (40% cap) |
As of January 2026. Verify filing fees with your local circuit clerk.
What Is Rehabilitative Alimony in Illinois?
Rehabilitative alimony in Illinois is time-limited spousal support that ends on a set date, awarded so a financially dependent spouse can acquire education, vocational training, or work experience to become self-supporting. Illinois formally calls this "fixed-term maintenance" under 750 ILCS 5/504(b-2)(3), and courts must state on the record that the award is fixed-term.
Illinois renamed "alimony" to "maintenance" in 2016, but the underlying concept of rehabilitative spousal support remains fully intact. When people search for rehabilitative alimony Illinois, they are describing what the statute now labels fixed-term maintenance. The purpose is transitional: the court sets a specific end date, calculates a monthly amount under the guideline formula, and expects the recipient to use that window to rebuild earning capacity. Unlike indefinite maintenance, fixed-term maintenance carries a hard stop. Under 750 ILCS 5/504, maintenance is barred after the end of the period during which fixed-term maintenance is to be paid, meaning the recipient cannot seek an extension once the term expires unless they file a modification petition before the deadline arrives.
How Illinois Courts Decide Whether to Award Maintenance
Maintenance in Illinois is not automatic. Before setting any amount, the court must first decide whether an award is appropriate by weighing the 14 statutory factors in 750 ILCS 5/504(a), including each spouse's income, present and future earning capacity, and the time needed to acquire education or training.
The threshold question is need plus ability to pay. Illinois courts award maintenance only when one spouse demonstrates a genuine financial need and the other spouse has the ability to pay. The statute is gender-neutral, so either spouse may receive support regardless of who filed the petition. Among the 14 factors, several are directly relevant to career training alimony and vocational rehabilitation alimony: the realistic present and future earning capacity of each party, any impairment to earning capacity caused by devoting time to domestic duties or forgoing career opportunities during the marriage, and the time necessary to enable the recipient to acquire appropriate education, training, and employment. Notably, 750 ILCS 5/504(a) instructs courts to disregard marital misconduct entirely. A spouse's affair or fault does not increase or decrease a maintenance award in Illinois.
The Illinois Maintenance Formula: How the Amount Is Calculated
Illinois calculates maintenance using a statutory formula under 750 ILCS 5/504(b-1): subtract 25% of the recipient's net annual income from 33.33% of the payor's net annual income. The result is capped so the recipient's maintenance plus their own net income never exceeds 40% of the parties' combined net income.
This guideline formula applies when the spouses' combined gross annual income is less than $500,000 and the payor has no prior child support or maintenance obligations. Consider a payor earning $120,000 net and a recipient earning $40,000 net. The formula yields 33.33% of $120,000 ($40,000) minus 25% of $40,000 ($10,000), producing $30,000 per year, or $2,500 per month. The court then checks the 40% cap: the recipient's $40,000 plus $30,000 maintenance equals $70,000, which must not exceed 40% of the $160,000 combined ($64,000). Because $70,000 exceeds $64,000, the award is reduced to $24,000 per year to satisfy the cap. Courts may deviate from the guideline when combined income exceeds $500,000 or when applying the formula produces an inequitable result, but they must explain any deviation with specific findings.
Duration: How Long Rehabilitative Maintenance Lasts
The length of fixed-term maintenance in Illinois is tied directly to the length of the marriage through statutory multipliers in 750 ILCS 5/504(b-1)(1)(B). A 5-year marriage produces a multiplier of 0.20 (about 12 months of support), while a 20-year marriage may produce indefinite maintenance at the court's discretion.
Illinois uses escalating multipliers applied to the number of years married. This structure makes rehabilitative spousal support most common in shorter and medium-length marriages, where the recipient realistically can retrain and re-enter the workforce within the award period. For a marriage under 5 years, the multiplier is 0.20; for 5 to under 10 years, 0.40; for 10 to under 15 years, 0.60; and for 15 to under 20 years, 0.80. Marriages of 20 years or more may result in maintenance equal to the length of the marriage or indefinite maintenance. For example, a 10-year marriage multiplied by 0.44 produces roughly 4.4 years of support. The temporary alimony education window is built into this design, giving the recipient a defined runway to complete a degree, certification, or apprenticeship.
Comparison: Types of Maintenance in Illinois
Illinois courts must designate one of four maintenance types under 750 ILCS 5/504(b-4.5): fixed-term, indefinite, reviewable, or reserved. Fixed-term maintenance ends on a specific date, while reviewable maintenance is revisited by the court at a set future date to assess the recipient's progress toward self-sufficiency.
| Maintenance Type | End Date | Best For | Statutory Basis |
|---|---|---|---|
| Fixed-term | Specific date set at judgment | Rehabilitative support; retraining window | 750 ILCS 5/504 |
| Reviewable | Court reviews at set date | Uncertain re-employment timeline | 750 ILCS 5/504 |
| Indefinite | No termination date | Long marriages (20+ years) | 750 ILCS 5/504 |
| Reserved | Right preserved for later | Present need unclear at judgment | 750 ILCS 5/504 |
Rehabilitative alimony Illinois cases most often use the fixed-term or reviewable designations. Reviewable maintenance is functionally the closest analog to classic vocational rehabilitation alimony: the court awards support, sets a review date, and at that hearing evaluates whether the recipient made reasonable efforts to become self-supporting under 750 ILCS 5/504(b-8). If the recipient completed training and secured employment, the court may terminate support; if genuine barriers remained, it may extend the award.
Filing for Divorce and Requesting Maintenance in Illinois
To request maintenance in Illinois, you file a Petition for Dissolution of Marriage that includes a request for maintenance, along with a financial affidavit disclosing income and expenses. The Cook County filing fee is $388 as of 2026, and at least one spouse must meet the 90-day residency requirement by the date of judgment.
Illinois uses irreconcilable differences as its sole ground for divorce under 750 ILCS 5/401. There is no pre-filing waiting period. A spouse may file immediately upon establishing Illinois residency, though the court cannot enter a final judgment until one spouse has resided in Illinois for 90 days. Cook County requires mandatory e-filing through the Odyssey File & Serve system for most litigants. Filing fees vary by county: Cook County charges $388, while many downstate counties charge between $250 and $321. As of January 2026, verify the exact fee with your local circuit clerk before filing. To request career training alimony, your petition should document the education or vocational program you intend to pursue, its cost, its duration, and the earning capacity it will restore. Detailed evidence strengthens a request for temporary alimony education support.
The 6-Month Separation Rule and Waiting Periods
Illinois has no mandatory waiting period to finalize a divorce when both spouses agree the marriage is irretrievably broken. The often-cited "6-month separation" is a fallback presumption under 750 ILCS 5/401(a): if one spouse contests that irreconcilable differences exist, living separate and apart for 6 continuous months creates an irrebuttable presumption of irreconcilable differences.
This distinction matters for anyone seeking rehabilitative spousal support. In an uncontested case, the divorce and maintenance award can be entered promptly once the 90-day residency requirement is satisfied. Living "separate and apart" does not require separate residences under Illinois law. Spouses may satisfy the requirement while sharing the same home, provided they function as roommates rather than as a married couple. During the pendency of the case, either spouse may request temporary maintenance under 750 ILCS 5/501, which provides interim support while the divorce is pending. Temporary maintenance is especially valuable for a dependent spouse who needs immediate income to begin an education program before the final fixed-term award takes effect.
Recent 2025-2026 Changes to Illinois Maintenance Law
The most significant recent change to Illinois maintenance law took effect January 1, 2025, under Public Act 103-967: maintenance obligations no longer pause during a payor's incarceration. Payments now continue to accrue as arrears, and an incarcerated payor must petition the court for modification rather than simply stopping payment.
A second 2025 change raised the bar for imputing income. Effective January 1, 2025, before a court can attribute income to an underemployed spouse, it must conduct a formal evidentiary hearing (unless both parties agree in writing to the imputed amount) and issue specific written findings explaining why income is being imputed. Courts must now consider local job market conditions, available employers in the person's area, and prevailing community wages. This change directly affects vocational rehabilitation alimony cases, where a payor may argue the recipient could earn more if they worked. The recipient benefits from a higher evidentiary standard before a court presumes greater earning capacity. Property division continues to follow equitable distribution under 750 ILCS 5/503, and irreconcilable differences remains the sole ground for divorce in 2026.
Modifying or Terminating Rehabilitative Maintenance
Rehabilitative maintenance in Illinois can be modified when either party demonstrates a substantial change in circumstances under 750 ILCS 5/510. However, fixed-term maintenance terminates automatically at its end date, and any request to extend it must be filed before that date arrives, or the award is permanently barred.
Maintenance ends automatically in three situations under 750 ILCS 5/510: the recipient remarries, either party dies, or the recipient cohabitates with another person on a continuing, conjugal basis. Cohabitation is a fact-intensive inquiry, and a payor seeking termination on this ground must prove the relationship resembles a marriage. For rehabilitative spousal support specifically, the fixed-term design means the recipient carries the burden of monitoring the deadline. If the recipient's retraining plan is derailed by illness, a job market collapse, or a disability, they must petition to modify or extend before the term expires. A reviewable maintenance award avoids this trap by scheduling a built-in court review, which is why many career training alimony arrangements use the reviewable rather than the pure fixed-term designation.