You may owe federal income tax on SSDI, depending on your total income

Whether you pay taxes on Social Security Disability Insurance (SSDI) depends on your combined income—not just your SSDI check. The IRS counts SSDI as income for tax purposes, but only part of it becomes taxable if you have other earnings or investment income. If SSDI is your only income and it is below a certain threshold, you typically owe nothing. If you have wages, self-employment income, or interest, the calculation changes.

The threshold that triggers taxation is called your combined income, and it is calculated by adding your adjusted gross income, nontaxable interest, and half of your SSDI benefits. Once that total crosses $25,000 (single filer) or $32,000 (married filing jointly), up to 85 percent of your benefits can become taxable. The exact amount depends on how far over the threshold you go.

Many people on SSDI pay no federal income tax because their only income is the SSDI benefit itself, which falls below the threshold. Others—particularly those who work part-time or have retirement savings—do owe tax. State income tax rules vary; some states tax SSDI and some do not.

Key Takeaways

  • SSDI becomes taxable only if your combined income (SSDI plus other earnings or interest) exceeds $25,000 for single filers or $32,000 for married couples filing jointly.
  • If SSDI is your only income, you almost certainly owe no federal tax, even though the IRS counts it as income.
  • Work incentives like Impairment Related Work Expenses (IRWE) and Plans to Achieve Self-Support (PASS) can reduce your countable income and lower your tax burden.
  • You can request that the Social Security Administration withhold taxes from your SSDI check each month to avoid a large bill at tax time.
  • State tax rules differ: some states do not tax SSDI at all, while others follow federal rules or have their own thresholds.

How the IRS calculates taxable SSDI

The IRS uses a two-tier system to determine how much of your SSDI is taxable. First, it calculates your combined income: your adjusted gross income (wages, self-employment, interest, dividends) plus any nontaxable interest plus half of your SSDI benefits. If that number is below $25,000 (single) or $32,000 (married filing jointly), none of your SSDI is taxable.

If your combined income exceeds the first threshold, you move into the taxable range. Up to 50 percent of your SSDI becomes taxable if your combined income is between $25,000 and $34,000 (single) or $32,000 and $44,000 (married). If your combined income exceeds $34,000 (single) or $44,000 (married), up to 85 percent of your SSDI can be taxable.

Example: You are single and receive $1,200 per month in SSDI ($14,400 per year). You also earn $15,000 from part-time work. Your combined income is $15,000 + $7,200 (half of SSDI) = $22,200. This is below $25,000, so you owe no federal tax on the SSDI. But if you earned $20,000 instead, your combined income would be $27,200, and some of your SSDI would become taxable.

SSDI and work incentives that reduce your tax burden

If you work while on SSDI, two programs can lower your countable income and potentially keep you below the tax threshold: Impairment Related Work Expenses (IRWE) and Plans to Achieve Self-Support (PASS).

IRWE allows you to deduct costs directly related to your ability to work—such as attendant care, medical devices, transportation, or therapy—from your earnings before Social Security counts them. If you spend $300 per month on work-related expenses, Social Security subtracts that from your gross earnings. This reduces your countable income for SSDI purposes and may also lower your combined income for tax purposes, depending on how you report it on your tax return.

PASS is a written plan that sets aside income and resources for a work goal—such as education, equipment, or business startup costs. Money set aside under an approved PASS is not counted as income by Social Security. If structured correctly, a PASS can also reduce the income you report to the IRS, lowering your combined income and your SSDI tax liability.

Both programs require documentation and approval from Social Security. Work Incentives Planning and information (WIPA) projects, funded by the Social Security Administration, offer free help setting up these plans. You can find your local WIPA at vcu-ntdc.org.

Withholding taxes from your SSDI check

If you know you will owe federal income tax, you can ask Social Security to withhold a percentage of your monthly SSDI payment. This spreads the tax bill across the year instead of requiring a lump sum at tax time. You request withholding by completing Form SSA-521 and submitting it to your local Social Security office or online through your my Social Security account.

You can choose to withhold 7, 10, 15, or 25 percent of your benefit. Many people choose 10 or 15 percent as a middle ground. If you withhold too much, you will receive a refund when you file your return. If you withhold too little, you will owe when you file.

Withholding is optional, but it simplifies tax planning. Without it, you must set aside money yourself or make quarterly estimated tax payments to the IRS if your tax liability is expected to be $1,000 or more.

State income tax and SSDI

Federal tax rules explore nationwide, but state rules vary widely. Some states do not tax SSDI at all, regardless of your income level. These include California, Florida, Illinois, Louisiana, Mississippi, New York, Ohio, Pennsylvania, and Texas. If you live in one of these states, you owe no state income tax on your SSDI.

Other states follow the federal combined income thresholds. Still others have their own rules—for example, some tax SSDI only if your total income exceeds a higher threshold than the federal rule. A few states tax SSDI but exclude it from the calculation of state taxable income, creating a net-zero tax on the benefit itself.

You can find your state's rule by contacting your state tax authority or visiting the IRS website, which maintains a state-by-state summary. If you moved during the tax year or live in a state with reciprocal tax agreements, your state tax situation may be more complex; a tax professional familiar with disability income can help.

Reporting SSDI on your tax return

Social Security sends you a Form SSA-1099-Soc Sec each January showing the total SSDI you received in the prior year. You use this form to report your benefits on your federal tax return. If you received benefits from multiple sources (for example, both SSDI and Supplemental Security Income), you will receive separate forms for each.

You report SSDI on Form 1040 (the main federal income tax form) or Form 1040-SR (if you are 65 or older). The IRS worksheet that comes with the form walks you through the combined income calculation. If your combined income is below the first threshold, you enter zero taxable SSDI. If it exceeds the threshold, you calculate the taxable portion using the worksheet.

If you use tax software or a tax professional, you enter your SSA-1099 information and the software or professional handles the calculation. Many free tax preparation services, including VITA (Volunteer Income Tax information) sites, can help you file if your income is below a certain level.

What happens if you do not file a tax return

If your SSDI is your only income and falls below the filing threshold, you are not required to file a federal tax return. The IRS filing threshold for 2024 is $14,600 for single filers under 65 and $18,150 for those 65 and older. Since the average SSDI benefit is around $1,550 per month (about $18,600 per year), many beneficiaries do exceed this threshold—but remember, the threshold for owing tax on SSDI itself is different from the threshold for filing a return.

Even if you are not required to file, you may want to file anyway if you have tax credits available, such as the Earned Income Tax Credit (EITC) or the Child Tax Credit. These credits can result in a refund even if you owe no tax. Additionally, filing a return creates a record that can be useful for future benefit determinations or when explore for other programs.

If you are unsure whether you must file, the IRS provides an interactive tool on its website, or you can contact a VITA site for free guidance.

Frequently Asked Questions

If I only receive SSDI and no other income, do I have to pay taxes?

No. If SSDI is your only income, your combined income is below the threshold, and you owe no federal income tax. You may still want to file a return if you are may have access to to tax credits, but you are not required to.

Does working part-time while on SSDI increase my taxes?

Yes, your wages are added to your combined income, which may push you over the threshold and make some of your SSDI taxable. However, work incentives like IRWE can reduce your countable earnings and lower your tax burden. A WIPA counselor can help you plan.

Can I change how much tax is withheld from my SSDI check?

Yes. You can change your withholding percentage at any time by submitting a new Form SSA-521 to Social Security. You can also stop withholding if your income changes and you no longer expect to owe tax.

What if I owe back taxes from years I was on SSDI?

Contact the IRS directly or work with a tax professional. The IRS offers payment plans and may have options for people with low income. You can also contact a Low Income Taxpayer Clinic (LITC) for free help; the IRS website lists clinics by state.

Does SSI (Supplemental Security Income) count as taxable income?

No. SSI is not taxable income under federal law. Only SSDI (Social Security Disability Insurance) can be taxable. If you receive both, only the SSDI portion affects your tax liability.