What Determines How Much Alimony You'll Receive

Alimony amounts depend on your state's formula, your income gap, and how long you were married

There is no single national alimony amount. Each state has its own rules, and most use a formula based on the difference between what you earned and what your ex-spouse earned. Some states cap alimony at a percentage of the paying spouse's income — often 20 to 30 percent — while others leave the amount to a judge's discretion. The length of your marriage, your age, your health, and whether you have custody of children all factor in, but the income gap is usually the starting point.

The judge or mediator will look at what you actually earned before the separation, not what you could theoretically earn. If you left the workforce to raise children or support your ex's career, that absence from income counts in your favor. If you have a job but earn less than your ex, the difference is what alimony typically addresses.

Key Takeaways

• Your state's formula or statute sets the framework — some use a percentage of the higher earner's income, others give judges discretion to decide based on circumstances.
• The income gap between you and your ex-spouse is the primary number courts use to calculate alimony, not the total amount either of you earns.
• How long you were married affects both whether you get alimony and how long you receive it — shorter marriages often result in shorter alimony periods.
• Your actual work history and earning capacity matter more than your current job; time out of the workforce to raise children or support your ex's career strengthens your case.
• Alimony can be temporary (lasting a set number of years) or indefinite, and the type affects how much you receive and for how long.

How your state calculates the amount

States fall into two broad categories: those with a formula and those that leave it to judicial discretion. Formula states — including Florida, Texas, and many others — multiply the paying spouse's monthly income by a set percentage, usually 20 to 30 percent, then subtract half of what the receiving spouse earns. The result is the guideline amount, though judges can deviate if circumstances warrant it.

Discretionary states give judges more freedom. They consider the same factors — income, length of marriage, age, health, custody — but do not plug them into a formula. This means two similar cases in the same county can result in different amounts. If you are in a discretionary state, the judge's reasoning matters: they must explain why they chose the amount they did, and that explanation becomes part of the court record.

A few states use a hybrid approach, explore a formula for marriages under a certain length and giving judges discretion for longer marriages. Check your state's statute or ask your attorney which method applies where you live, because the difference between a formula and discretion can be thousands of dollars.

The income gap and earning capacity

Courts care about the difference between what you earn and what your ex earns, not the absolute amounts. If your ex makes $120,000 a year and you make $40,000, the gap is $80,000. That gap is what alimony is designed to narrow. The formula or the judge will use that gap to arrive at a monthly or annual figure.

Earning capacity — what you are reasonably able to earn — can matter as much as actual income. If you have a college degree but work part-time, a court may count your full-time earning potential instead of your current part-time income. This protects the paying spouse from someone deliberately underemploying themselves to reduce alimony. However, if you stepped out of the workforce for years, courts usually do not expect you to jump when ready to your old salary; they account for retraining time and the reality of re-entry.

If you were a homemaker during the marriage and have no recent work history, the court will estimate what you could earn with your education and skills, then use that estimate in the calculation. This is why documenting your education, prior work, and any barriers to employment (age, health, caregiving duties) matters.

Length of marriage and alimony duration

How long you were married directly affects both the amount and the length of alimony. Most states tie alimony duration to marriage length using a rough formula: marriages under 5 years might result in alimony lasting 25 to 50 percent of the marriage length, while marriages of 10 to 20 years might result in alimony lasting 50 to 75 percent of the marriage length. Marriages over 20 or 25 years often result in indefinite alimony.

A short marriage — say, 3 years — might result in temporary alimony lasting 1 to 2 years, meant to help you transition. A 15-year marriage might result in alimony lasting 7 to 10 years. A 25-year marriage often results in alimony with no end date, though the amount can still be modified if circumstances change significantly.

The type of alimony also depends on marriage length. Temporary alimony (also called rehabilitative alimony) is designed to support you while you finish school or re-enter the workforce. Permanent alimony has no set end date, though it usually ends if you remarry or if either spouse dies. Some states use durational alimony, which lasts a set number of years regardless of remarriage.

Other factors courts consider

Beyond income and marriage length, courts weigh your age, health, and custody responsibilities. If you are 55 and have been out of the workforce for 20 years, a judge will likely award more alimony for a longer period than if you are 35 with recent work experience. If you have serious health issues that limit your earning capacity, that strengthens your case. If you have primary custody of minor children, that reduces the time you can work and increases the alimony amount.

The standard of living during the marriage also factors in. If you lived a high-income lifestyle during the marriage, alimony may be set to help you maintain something closer to that standard, rather than dropping you to poverty. Courts call this the "marital standard of living," and it is especially relevant in longer marriages or high-income cases.

Your contributions to your ex's career or education matter too. If you worked to put your ex through law school or medical school, or if you managed the household while your ex built a business, courts recognize that as a contribution to their earning capacity. This can increase the alimony you receive.

What happens if income changes after the order

An alimony order is not permanent in the sense that it cannot change. If your ex's income drops significantly — due to job loss, illness, or retirement — they can ask the court to reduce or end alimony. If your income increases substantially, your ex can ask the court to reduce what they pay. The threshold for modification varies by state; some require a 10 percent change in income, others require 15 or 20 percent.

You can also request a modification if your circumstances change. If you become unable to work due to illness, or if your ex's income increases, you can ask for more alimony. The court will review the new circumstances and decide whether to adjust the order. This is why keeping records of income changes, job loss, medical issues, and major life events is important — you may need them later.

Temporary alimony versus long-term alimony

Temporary alimony (also called pendente lite alimony in some states) is paid during the divorce process, before the final order. It is meant to keep both spouses financially stable while the case is ongoing. Once the divorce is final, temporary alimony ends and is replaced by the alimony ordered in the final judgment — which may be higher, lower, or zero.

Long-term alimony is what the final order specifies. It can be rehabilitative (lasting a set number of years while you finish school or find work), durational (lasting a set number of years regardless of remarriage), or indefinite (lasting until remarriage, death, or a significant change in circumstances). The type affects the amount: indefinite alimony is often lower than rehabilitative alimony for the same income gap, because it lasts longer.

Some states are moving away from indefinite alimony except in very long marriages, preferring time-limited support that encourages the receiving spouse to become self-sufficient. If you are in one of these states, expect alimony to have an end date unless your marriage was very long or you have significant barriers to employment.

Frequently Asked Questions

Is there a standard percentage of income that becomes alimony?

Many states use 20 to 30 percent of the paying spouse's income as a starting point, but this varies widely. Some states cap it at a percentage; others use it as a guideline that judges can adjust. Your state's statute will specify the formula or the factors judges must consider. An attorney licensed in your state can tell you what the typical range is where you live.

Does alimony end if I remarry?

In most states, yes — remarriage ends alimony. However, some states distinguish between types of alimony. Durational alimony may continue even after remarriage in some jurisdictions, while indefinite alimony almost always ends. Check your state's law or your divorce decree, because the rules vary.

What if my ex-spouse makes much more money than me?

The larger the income gap, the higher the alimony amount, all else equal. If your ex makes $200,000 and you make $30,000, the gap is $170,000, and alimony will be calculated on that difference. The exact amount depends on your state's formula or the judge's discretion, but a large gap typically results in higher alimony.

Can I get alimony if I have a job?

Yes. Alimony is based on the income gap, not on whether you are employed. If you earn $50,000 and your ex earns $120,000, you may still receive alimony to help narrow that gap. Your actual income matters, not whether you have work.

How long does alimony usually last?

Duration depends on marriage length and your state's rules. Short marriages often result in alimony lasting a few years; medium marriages (10 to 20 years) often result in alimony lasting 5 to 10 years; long marriages often result in indefinite alimony. Your state's statute will specify the typical duration based on marriage length.