Alimony amounts vary so widely that a national average is nearly meaningless

There is no single "average" alimony payment because every state uses different formulas, judges have discretion within those formulas, and the specific facts of each marriage—income gap, length of marriage, age, health, custody arrangements—change the number entirely. One person might pay $500 a month; another in a different state with similar income might pay $3,000. What matters is not what others pay, but what the law in your state requires and what a judge or settlement agreement actually orders.

If you are paying or receiving alimony, the amount on your order is what you owe or are owed. If you are trying to estimate what might be ordered, you need to know your state's formula, your income, your spouse's income, and how long you were married. A family law attorney in your state can give you a real number; a national average cannot.

Key Takeaways

  • Alimony amounts depend on state law, judge discretion, and the specific facts of your marriage—income, length of marriage, age, and custody all affect the number.
  • Some states use a formula based on a percentage of income difference; others leave it entirely to the judge; a few cap alimony duration based on marriage length.
  • The order you receive is a court judgment or settlement agreement, not a suggestion—it is enforceable through wage garnishment, tax intercept, or contempt charges.
  • If your income or your ex's income changes significantly, you can ask the court to modify the order, but you must file a motion and show a material change in circumstances.

How states calculate alimony differently

About a dozen states have adopted a formula approach, usually based on a percentage of the income difference between spouses. For example, some states calculate it as 30 percent of the higher earner's income minus 20 percent of the lower earner's income, then cap the total at a percentage of the lower earner's income. But even within formula states, judges can deviate if they find the formula would be unjust given the specific case.

Most states still give judges broad discretion to set alimony based on factors like the length of the marriage, each spouse's earning capacity, the standard of living during the marriage, age and health, and whether one spouse sacrificed education or career for the family. This means two similar cases in the same courthouse can result in very different orders depending on which judge hears them and how they weigh those factors.

A few states—including Florida, Texas, and others—have no alimony statute at all or severely limit it. Others distinguish between temporary alimony (paid during the divorce process) and permanent alimony (paid after the divorce is final), and some now use "durational alimony" that ends after a set number of years based on marriage length.

What income counts toward alimony calculations

Income in alimony cases usually means more than just a salary. Courts typically include wages, bonuses, commissions, self-employment income, rental income, investment returns, and sometimes benefits like health insurance or a company car. Some states include overtime; others do not. The definition varies by state and by judge.

If you are self-employed or your income fluctuates, courts often average your income over two or three years rather than using a single year. If you are unemployed or underemployed, a court may "impute" income to you—meaning it assigns you an income based on your education, work history, and job market—if it believes you are intentionally earning less to avoid paying alimony.

Bonuses, stock options, and irregular income are treated differently across states. Some courts include them; others exclude them or average them separately. If your income changed recently, bring documentation of the change to any modification hearing.

How long alimony lasts and when it stops

Alimony duration depends on the type ordered and your state's rules. Temporary alimony ends when the divorce is final. Permanent alimony (despite its name) can end if the receiving spouse remarries, cohabits with a partner, or dies. In some states, permanent alimony also ends when the paying spouse reaches retirement age, though this is contested and varies.

Durational alimony—now used in many states—lasts for a set period, often tied to the length of the marriage. A marriage of five years might result in alimony lasting two to three years; a marriage of 20 years might result in alimony lasting 10 years or longer. Once the duration expires, the obligation ends unless the court extends it.

The order itself will state when alimony ends. If it does not, you should ask the court to clarify. Ambiguity about the end date can lead to disputes later.

Modifying an alimony order if circumstances change

If your income drops significantly—job loss, illness, retirement—or your ex's income rises substantially, you can file a motion to modify alimony. You must show a material change in circumstances, which usually means a change that was not anticipated when the order was made and that is substantial enough to justify a change. A small raise or a temporary job loss may not meet that threshold.

The process requires filing a motion with the court, serving your ex or their attorney, and often attending a hearing. Some states allow modification only after a set period has passed (often three years). If you stop paying without a court order, you will owe back pay plus interest and potentially face contempt charges.

If your ex's income increased, you can also file for modification. The burden is on you to prove the change and show why the current order is now unfair. Bring recent tax returns, pay stubs, and any other income documentation to the hearing.

What happens if alimony is not paid

Alimony is a court order, and failure to pay is enforceable through several mechanisms. The receiving spouse can file a contempt motion, which can result in fines or jail time. More commonly, the court can order wage garnishment, where the paying spouse's employer withholds alimony directly from their paycheck. The court can also intercept tax refunds, place a lien on property, or suspend a driver's license.

If you cannot pay the full amount, contact your ex or their attorney and ask about a temporary reduction or payment plan. If you file a modification motion before you fall behind, the court may reduce your obligation retroactively. If you simply stop paying, you will accumulate arrears that you will owe later, and enforcement actions will follow.

Some states have alimony enforcement agencies or use the federal offset program to intercept tax refunds. The receiving spouse can also hire a collection attorney, though they usually pay that cost themselves unless the court orders the paying spouse to cover it.

The difference between alimony and child support

Alimony is paid by one spouse to the other and is based on the income gap and need of the receiving spouse. Child support is paid for the benefit of the child and is based on both parents' incomes and custody time. They are separate obligations and are calculated differently. You can owe both, and they are not interchangeable—paying child support does not reduce your alimony obligation, and vice versa.

Child support typically ends when the child turns 18 or finishes high school, depending on state law. Alimony may continue longer or end sooner. If you have both obligations, your order will list them separately with different amounts and end dates.

Frequently Asked Questions

Can I avoid paying alimony by quitting my job?

No. If you intentionally reduce your income to avoid alimony, a court can impute income to you based on your earning capacity, education, and work history. The court will order you to pay based on what you could earn, not what you actually earn. This is one of the most common reasons for modification motions to be denied.

Does alimony end if I remarry?

In most states, yes—alimony ends if the receiving spouse remarries. Some states also end it if the receiving spouse cohabits with a partner in a marriage-like relationship, though the definition of cohabitation varies. The paying spouse usually has to file a motion to terminate based on the remarriage; it does not end automatically.

What if my ex is hiding income?

You can file a motion for discovery, which requires your ex to disclose financial records, tax returns, and bank statements. If you believe your ex is deliberately underreporting income, you can ask the court to order a forensic accounting review. Bring any evidence you have—bank deposits, property purchases, lifestyle changes—to support your claim.

Can alimony be modified after it is ordered?

Yes, if there is a material change in circumstances. This usually means a significant change in income, job loss, retirement, serious illness, or a substantial change in your ex's income. You must file a motion with the court and prove the change. Small income fluctuations usually do not may have access to.

Is alimony tax deductible?

As of 2019, alimony is no longer tax deductible for the paying spouse or taxable income for the receiving spouse under federal law. Older orders may have different rules. Check your order or ask a tax professional whether your specific situation is affected by the change.