Most people on SSDI pay no federal income tax on their benefits

Whether you owe federal income tax on Social Security Disability Insurance (SSDI) depends on your total income for the year, not on the disability payment itself. If SSDI is your only income, you almost certainly owe nothing. If you have other income — wages, self-employment earnings, interest, pensions — the IRS may count part of your SSDI as taxable.

The IRS uses a formula called the "combined income" test. You add half your SSDI benefit to all your other income. If that total stays below a threshold that depends on your filing status, zero percent of your SSDI is taxable. If it exceeds the threshold, up to 50 percent of your benefit becomes taxable income. In rare cases where combined income is very high, up to 85 percent can be taxable.

State taxes are separate. Some states do not tax SSDI at all. Others tax it the same way the IRS does. A few tax it differently. You need to check your state's rules independently.

Key Takeaways

  • If SSDI is your only income, you owe no federal tax on it, regardless of the amount.
  • The IRS counts half your SSDI plus all other income to determine whether any of your benefit is taxable.
  • For 2024, single filers with combined income under $25,000 and married filers under $32,000 pay no tax on SSDI.
  • State tax rules for SSDI vary widely; some states do not tax it, while others follow federal rules or have their own thresholds.
  • You do not have to file a federal return if your only income is SSDI and it falls below the filing threshold for your age and status.

How the IRS calculates taxable SSDI

The IRS starts by adding up your "combined income." This is half your SSDI benefit plus all your other income — wages, self-employment income, interest, dividends, rental income, pensions, and distributions from retirement accounts. It does not include certain items like Supplemental Security Income (SSI), which is a separate program and never taxable.

Once you have your combined income total, compare it to the threshold for your filing status. For single filers in 2024, the first threshold is $25,000. For married couples filing jointly, it is $32,000. For married filing separately, it is $0 — meaning any combined income at all triggers taxation.

If your combined income is at or below the threshold, none of your SSDI is taxable. If it exceeds the threshold, the IRS taxes the smaller of two amounts: either half the excess over the threshold, or half your SSDI benefit itself. This means the maximum taxable portion is 50 percent of your benefit.

If your combined income is very high — over $34,500 for single filers or $44,000 for married filing jointly in 2024 — a second calculation kicks in. The IRS may tax up to 85 percent of your SSDI. This applies only when combined income exceeds these second thresholds by a significant margin, and it is rare for most beneficiaries.

Income sources that count toward the tax calculation

The IRS includes nearly all income in the combined income calculation. Wages from employment count. Self-employment income counts. Interest from savings accounts, bonds, and CDs counts. Dividend income counts. Rental income and capital gains count. Distributions from traditional IRAs, 401(k)s, and other retirement accounts count.

Some income does not count. Supplemental Security Income (SSI) is excluded. Veterans benefits are excluded. Workers' compensation is excluded. Certain railroad retirement benefits are excluded. Gifts and inheritances do not count. Return of principal from investments does not count — only the earnings do.

If you are married and file jointly, both spouses' income counts toward the combined income calculation, even if only one of you receives SSDI. This can push a couple over the threshold even if the SSDI recipient's other income is low.

Filing requirements when you receive SSDI

You must file a federal income tax return if your gross income exceeds the standard deduction for your age and filing status. For 2024, the standard deduction is $14,600 for single filers under 65, and $18,350 for those 65 and older. For married couples filing jointly, it is $29,200 under 65, and $30,750 if one spouse is 65 or older.

If SSDI is your only income and it is below the standard deduction for your status, you do not have to file. However, filing can be worth doing anyway if you had taxes withheld from other income or if you may have access to for refundable tax credits like the Earned Income Tax Credit (EITC).

The Social Security Administration sends you a Form SSA-1099 each January showing your SSDI payments for the prior year. You use this form to report the income on your tax return. Keep it with your tax records.

State income tax on SSDI

Thirteen states do not tax SSDI at all: Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Mississippi, Missouri, Oklahoma, and Pennsylvania. If you live in one of these states, you owe no state tax on your SSDI, period.

Most other states follow the federal rule: if your combined income exceeds the state threshold, part of your SSDI becomes taxable. Some states use the same thresholds as the IRS; others set their own, usually lower. A few states tax SSDI more heavily than the federal government does.

You need to check your specific state's rules. Contact your state tax authority or visit its website to learn whether SSDI is taxable in your state and what the thresholds are. State rules change, and they may differ from federal rules in ways that matter to your situation.

What to do if you owe tax on SSDI

If you determine that part of your SSDI is taxable, you report it on your federal Form 1040 or 1040-SR. The taxable portion goes on line 5b. You can calculate the amount yourself using the IRS worksheet in Publication 915, or you can use tax software or a tax preparer.

You have three options for paying the tax you owe. You can pay in full when you file. You can set up a payment plan with the IRS if you cannot pay all at once. Or you can ask Social Security to withhold taxes from your monthly SSDI check — this is called "voluntary withholding." If you choose withholding, you fill out Form W-4V and send it to your local Social Security office.

Withholding is often the easiest route because it spreads the tax burden across the year rather than requiring a lump sum at tax time. However, it reduces your monthly check, so you need to budget accordingly.

Frequently Asked Questions

Do I have to file a tax return if I only receive SSDI?

No, if SSDI is your only income and the total is below the standard deduction for your age and filing status, you are not required to file. However, you may want to file anyway if you had taxes withheld from other income or if you may have access to for refundable credits.

What if I work part-time while receiving SSDI?

Your wages count as income in the combined income calculation. Depending on how much you earn, part of your SSDI may become taxable. Additionally, if your earnings are high enough, Social Security may reduce or suspend your SSDI benefit under work incentive rules — this is separate from the tax issue.

Can I reduce my SSDI tax by filing separately from my spouse?

Filing separately usually makes the tax situation worse, not better. Married couples filing separately have a combined income threshold of $0, meaning any combined income triggers taxation. Married filing jointly is almost always better for SSDI recipients.

Does the IRS count my spouse's income if I file separately?

If you file separately, your spouse's income does not count toward your combined income calculation. However, the threshold drops to $0, so even a small amount of your own combined income makes part of your SSDI taxable. Filing jointly is usually the better choice.

What happens if I do not report my SSDI on my tax return?

The IRS receives a copy of your Form SSA-1099 from Social Security. If you do not report the income and you owe tax on it, the IRS will likely send you a notice. Penalties and interest accrue on unpaid taxes. It is better to file and report the income, even if you owe nothing.