What Alimony Is and How It Works

Alimony is money one spouse pays to the other after divorce or separation

Alimony (also called spousal support or maintenance) is a court-ordered payment from one former spouse to another. It is separate from child support and property division. The paying spouse sends regular payments — usually monthly — to the receiving spouse for a set period or indefinitely, depending on the divorce agreement and state law.

The purpose of alimony is to help a lower-earning spouse maintain a standard of living similar to what they had during the marriage, or to give them time and money to become self-supporting after the split. Not every divorce includes alimony. Courts consider factors like how long the marriage lasted, each spouse's income and earning ability, and whether one spouse sacrificed career opportunities during the marriage.

Alimony is different from child support (which goes toward raising children) and from the division of marital property (like the house or retirement accounts). You can have alimony without child support, or both, or neither — it depends on your specific situation and what the court orders.

Key Takeaways

• Alimony is a monthly payment from one ex-spouse to another, ordered by a court as part of a divorce settlement.
• The amount and length of alimony depend on factors like marriage length, income difference, and whether one spouse left work to support the family.
• Alimony is taxable income to the person receiving it and is tax-deductible for the person paying it (under current federal rules, though this has changed in the past).
• Alimony can end if the receiving spouse remarries, cohabits with a partner, or if circumstances change significantly enough that a court modifies the order.
• State law varies widely on how alimony is calculated and how long it lasts, so the rules in your state may differ from another.

How courts decide the amount and length of alimony

There is no single formula that all states use. Some states have guidelines (similar to child support formulas) that calculate alimony based on income and marriage length. Others leave it to the judge's discretion. In either case, the court looks at several factors: how long you were married, the age and health of each spouse, each person's income and job skills, whether one spouse stayed home or reduced work hours, and the standard of living during the marriage.

The length of alimony also varies. Temporary alimony lasts only during the divorce process. Rehabilitative alimony is meant to support a spouse while they finish school or training to become self-supporting — it might last two to five years. Durational alimony lasts for a set number of years (often half the length of the marriage). Permanent alimony continues indefinitely, though it can be modified or end if circumstances change. Some marriages are too short to warrant alimony at all.

You do not have to go to trial to get alimony. Many couples negotiate the amount and terms in a settlement agreement, which a judge then approves. This gives you more control over the outcome than leaving it to a judge's decision.

Types of alimony and when each one applies

Temporary alimony is paid during the divorce process, before the final order is issued. It helps the lower-earning spouse cover living expenses while the case is ongoing. Once the divorce is final, temporary alimony stops and is replaced by whatever permanent or durational alimony the court orders (if any).

Rehabilitative alimony is designed for a spouse who needs time to become self-supporting. For example, if one spouse left college to work while the other finished a degree, the court might order rehabilitative alimony to help that spouse go back to school or job training. The payments are meant to end once the spouse completes the program and enters the workforce.

Durational alimony lasts for a specific number of years — often tied to how long the marriage lasted. If you were married for 10 years, durational alimony might last 5 to 7 years. It cannot be extended beyond the original term unless the receiving spouse shows a substantial change in circumstances.

Permanent alimony continues indefinitely and is more common in long marriages (often 20+ years). It does not mean forever without question — it can be modified if either spouse's financial situation changes significantly, or it ends if the receiving spouse remarries or cohabits with a partner.

Tax treatment of alimony payments

Under current federal tax law, alimony is taxable income to the person receiving it and is tax-deductible for the person paying it. This means the receiving spouse reports alimony as income on their tax return, and the paying spouse can deduct it from their taxable income.

However, this rule changed for divorces finalized after December 31, 2018. For older divorces, the same tax treatment applies. For newer divorces, the rules are the same — but Congress may change them again in the future. If you are unsure how your alimony is taxed, ask a tax professional or your divorce attorney, because the rules can be complex and depend on when your divorce was finalized.

Child support, by contrast, is never taxable to the receiving parent and never deductible by the paying parent. This is an important distinction if your divorce order includes both alimony and child support.

When alimony ends or can be changed

Alimony ends automatically in several situations. If the receiving spouse remarries, alimony stops (in most states). If the receiving spouse cohabits with a romantic partner for a set period — usually six months to a year, depending on your state — the court may end alimony. If the paying spouse retires or becomes disabled and cannot work, they can ask the court to modify or end the payments.

Either spouse can also ask the court to modify alimony if there is a substantial change in circumstances. This might mean a job loss, a significant raise, a serious illness, or a major change in living expenses. The person asking for the change has to show the court that the change was not expected when the original order was made.

Durational alimony ends automatically when the set term expires. Permanent alimony continues unless one of the events above happens or the court modifies it. Temporary alimony ends when the divorce is final.

Alimony versus child support and property division

These three are separate parts of a divorce settlement, and they serve different purposes. Property division is a one-time split of assets and debts — the house, retirement accounts, cars, and so on. Child support is a monthly payment to cover the costs of raising children and is based on both parents' incomes and custody arrangement. Alimony is a monthly payment from one spouse to the other for their living expenses and is based on income difference and marriage length.

You can have any combination of these three. A short marriage with no children might include only property division and alimony. A long marriage with children might include all three. A marriage where both spouses earn similar incomes might include only property division and child support, with no alimony.

The amount of one does not directly affect the others, though the court considers all three together when dividing the total marital resources. For example, if one spouse receives a large share of retirement accounts in the property division, the court might order lower alimony or none at all.

How to handle alimony in your divorce

If you are going through a divorce, you have options for how alimony is decided. You can negotiate directly with your spouse and reach a settlement agreement, which a judge then reviews and approves. You can work with a mediator to help you both reach an agreement. Or you can go to trial and let a judge decide based on state law and the evidence presented.

Settlement is usually faster and less expensive than trial. It also gives you control over the outcome instead of leaving it to a judge. If you and your spouse cannot agree, mediation can help you find middle ground before going to trial.

Regardless of the route you choose, it is worth consulting a family law attorney in your state. Alimony law varies significantly by state, and an attorney can explain how your state's rules explore to your situation and help you understand what to expect.

Frequently Asked Questions

Is alimony the same as child support?

No. Child support is for the children and is based on both parents' incomes and custody time. Alimony is for the lower-earning spouse and is based on income difference and marriage length. You can have one without the other, or both.

Can alimony be modified after the divorce is final?

Yes. Either spouse can ask the court to change the amount or length of alimony if there is a substantial change in circumstances — like a job loss, a significant raise, or retirement. The person asking has to show the court that the change was not expected when the original order was made.

What happens to alimony if the receiving spouse remarries?

In most states, alimony ends automatically if the receiving spouse remarries. Some states also end alimony if the receiving spouse cohabits with a romantic partner for a set period (usually six months to a year). Check your state's law or ask your attorney about the specific rules in your area.

Do I have to pay alimony if I was married for only a few years?

Not necessarily. Short marriages (often defined as less than five to seven years) may not result in alimony at all. The court looks at the length of the marriage as one factor, but also considers income difference and whether one spouse sacrificed career opportunities. Even in a short marriage, alimony is possible if there is a large income gap.

Can I deduct alimony on my taxes?

Yes, if you are the paying spouse and your divorce was finalized before January 1, 2019. For divorces finalized after that date, the tax rules changed and alimony is no longer deductible. Consult a tax professional to confirm how your specific situation is taxed.