Social Security Disability benefits may be taxed, but most people who receive SSDI pay no federal income tax on them

Whether you owe federal income tax on your SSDI depends on your combined income — a calculation that includes your benefits plus other money you earn. If your combined income stays below a certain threshold, you pay nothing. If it crosses that threshold, you may owe tax on up to 85 percent of your benefits. The threshold is low enough that most SSDI recipients never reach it, but if you work part-time, have investment income, or are married filing jointly, you could.

The IRS does not automatically withhold taxes from SSDI payments the way it does from paychecks. That means if you do owe tax, you discover it when you file your return — or you can request voluntary withholding now to avoid a bill later. State income tax rules vary; some states tax SSDI and some do not, regardless of what the federal government does.

Key Takeaways

  • Combined income is the sum of your SSDI benefits, wages, self-employment income, interest, dividends, and certain other income — not your benefits alone.
  • For 2024, if you are single and your combined income exceeds $25,000, you may owe federal tax on part of your benefits; for married filing jointly, the threshold is $32,000.
  • You can request voluntary withholding on your SSDI check by completing Form W-4V and mailing it to your local Social Security office, so you do not face a tax bill at filing time.
  • State tax treatment of SSDI varies by state — some states do not tax it at all, while others follow federal rules or have their own thresholds.
  • If you work and earn wages while on SSDI, your combined income is likely to be high enough that some of your benefits become taxable.

How the IRS calculates combined income for SSDI

The IRS uses a specific formula to decide whether your SSDI is taxable. Start with your SSDI benefit amount for the year. Then add your modified adjusted gross income (MAGI) — which includes wages, self-employment income, interest, dividends, capital gains, rental income, and certain other sources. The result is your combined income.

The thresholds are $25,000 for single filers and $32,000 for married couples filing jointly in 2024. These thresholds have not changed since 1984, so they have not kept pace with inflation. If your combined income is below the threshold, none of your SSDI is taxable. If it is above the threshold, the IRS taxes the lesser of two amounts: either 50 percent of the excess over the threshold, or 50 percent of your benefits — whichever is smaller. A second calculation can push the taxable amount up to 85 percent of your benefits if your combined income is very high.

Example: You are single and receive $18,000 in SSDI for the year. You also earn $12,000 from part-time work. Your combined income is $30,000. The excess over $25,000 is $5,000. Half of that is $2,500. Half of your benefits is $9,000. The smaller amount is $2,500, so up to $2,500 of your SSDI may be taxable — but only if your total income is high enough to require you to file a return in the first place.

When you must file a tax return even though you receive SSDI

You must file a federal income tax return if your gross income exceeds the standard deduction for your filing status. For 2024, the standard deduction is $14,600 for single filers and $29,200 for married couples filing jointly. SSDI counts toward that threshold.

If you are single, receive $18,000 in SSDI, and earn $2,000 from part-time work, your gross income is $20,000 — above the $14,600 threshold — so you must file. If you are single, receive $18,000 in SSDI, and have no other income, you do not have to file because $18,000 is below $14,600 for SSDI recipients specifically. (The rule is slightly different for SSDI than for wages; the IRS treats SSDI more favorably when calculating the filing requirement.)

Even if you are not required to file, you may want to. If taxes were withheld from other income, you might be owed a refund. Filing also protects your Social Security record and can help you claim the Earned Income Tax Credit if you work and have low income.

Requesting voluntary withholding to avoid a tax bill

The Social Security Administration does not automatically withhold federal income tax from SSDI payments. If you know your benefits will be taxable, you can ask Social Security to withhold a flat amount each month so you do not owe a large bill when you file.

To request withholding, complete Form W-4V (Voluntary Withholding Request). You can get it from Social Security's website or by calling 1-800-772-1213. On the form, you specify a dollar amount to withhold from each check — for example, $50 per month. Mail the completed form to your local Social Security office; the address is on the form itself. Social Security will begin withholding the following month.

You can change or stop withholding at any time by submitting a new Form W-4V. If you withhold too much, you will receive a refund when you file your return. If you withhold too little, you will owe tax but may avoid penalties if your withholding and estimated tax payments together cover 90 percent of your 2024 tax or 100 percent of your 2023 tax (whichever is smaller).

State income tax on SSDI

Thirty-seven states do not tax SSDI at all, regardless of your income level. These states are: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Montana, Nevada, New Hampshire, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, and Wyoming.

The remaining states — Connecticut, Illinois, Kansas, Minnesota, Missouri, Montana, Nebraska, New Mexico, Rhode Island, Utah, Vermont, and West Virginia — tax SSDI under their own rules. Some follow the federal combined income test; others have different thresholds or tax all SSDI above a certain age. If you live in one of these states, contact your state tax authority or a tax professional to learn your specific obligation.

If you move to a different state during the year, you may owe tax to both states for the portion of the year you lived in each. State tax returns are separate from your federal return, so you file both if required.

What to do if you receive a tax bill for SSDI

If you file your return and discover you owe tax on SSDI, you can pay the IRS directly through their website (IRS.gov), by mail, or by phone. You can also set up a payment plan if you cannot pay in full. The IRS will not garnish your SSDI check to collect tax debt, but they can offset other federal payments — such as a tax refund — to satisfy the debt.

If you believe you made an error on your return or your circumstances have changed, you can file an amended return using Form 1040-X. You have generally three years from the original filing date to amend. If you are unsure whether you filed correctly, the IRS offers free tax help through VITA (Volunteer Income Tax information) sites in your area; call 211 or visit IRS.gov to find one.

Going forward, you can request voluntary withholding on Form W-4V to reduce the amount you owe next year. You can also adjust your withholding from any wages you earn, using Form W-4 with your employer, to account for the tax on your SSDI.

Working while on SSDI and managing your tax burden

If you work and receive SSDI, your combined income will likely be high enough that some of your benefits become taxable. However, SSDI has its own work incentive rules that allow you to earn money without losing your benefits entirely — those are separate from the tax rules and work differently.

To estimate your tax burden, add up your expected SSDI for the year, your expected wages, and any other income. Subtract $25,000 (or $32,000 if married filing jointly). If the result is positive, some of your SSDI is likely taxable. Request voluntary withholding on Form W-4V, and also adjust your W-4 with your employer to account for the tax on your SSDI. This spreads the tax burden across the year rather than creating a surprise bill in April.

If you are self-employed, you also owe self-employment tax (Social Security and Medicare tax) on your net earnings, in addition to income tax. Self-employment tax is calculated on Schedule SE and added to your income tax return. This can significantly increase your combined income and the amount of SSDI that becomes taxable.

Frequently Asked Questions

Do I have to pay taxes on 100 percent of my SSDI?

No. At most, 85 percent of your SSDI can be taxable. The actual percentage depends on your combined income and is calculated using a formula the IRS provides. Most people who receive SSDI pay tax on little or none of it because their combined income stays below the threshold.

What if I receive both SSDI and SSI?

SSDI (Social Security Disability Insurance) may be taxable based on combined income. SSI (Supplemental Security Income) is never taxable. If you receive both, only the SSDI portion is subject to the tax rules described here. The two programs are separate, and the IRS treats them differently.

Can Social Security withhold taxes automatically without me asking?

No. Social Security does not withhold federal income tax unless you request it on Form W-4V. If you do not request withholding and your benefits are taxable, you will owe tax when you file your return. Requesting withholding is optional but can help you avoid a large bill.

If I do not file a tax return, will the IRS come after me?

If you are not required to file, the IRS will not pursue you. However, if your income exceeds the filing threshold and you do not file, the IRS may eventually contact you. Filing is also the only way to claim refundable credits like the Earned Income Tax Credit, which could put money in your pocket.

Does my spouse's income affect whether my SSDI is taxable?

Yes, if you file jointly. Combined income includes both spouses' income, and the threshold for married filing jointly is $32,000. If you file separately, each spouse's SSDI is taxed based on their own combined income, but filing separately often results in more tax overall. Consult a tax professional to determine which filing status is better for your situation.