Not all of your SSDI payment counts as taxable income, even if you owe taxes on some of it

Whether you pay taxes on your SSDI depends on your total income for the year, not on the SSDI amount alone. The Social Security Administration uses a formula called combined income to figure out how much, if any, of your benefit is taxable. Combined income includes your SSDI, any other income you earn, and half of your SSDI added together. If your combined income stays below a certain threshold, you owe no federal tax on your SSDI. If it goes above that threshold, only a portion of your SSDI becomes taxable—never the full amount.

The thresholds are low and have not changed since 1984. For a single filer, the first threshold is $25,000. For married filing jointly, it is $32,000. These numbers do not adjust for inflation, which is why more people with SSDI end up owing taxes now than in the past, even though the actual value of their benefits has not grown.

Key Takeaways

  • Your SSDI is only taxable if your combined income (SSDI plus other income plus half your SSDI) exceeds $25,000 for single filers or $32,000 for married filing jointly.
  • If you cross the first threshold, up to 50 percent of your SSDI becomes taxable; if you cross the second threshold, up to 85 percent becomes taxable.
  • The second threshold is $34,000 for single filers and $44,000 for married filing jointly, and it determines how much of the remaining SSDI is taxed.
  • You can request that the Social Security Administration withhold taxes from your SSDI payment each month to avoid a large bill at tax time.

How the two-threshold system works

Social Security uses two income thresholds to calculate how much of your SSDI is taxable. The first threshold is $25,000 for single filers and $32,000 for married filing jointly. If your combined income falls below this, you owe no federal tax on your SSDI.

If your combined income exceeds the first threshold, the amount above it is multiplied by 0.5. That result is the amount of SSDI that becomes taxable—but it cannot exceed 50 percent of your total SSDI for the year. For example, if you are single, earn $5,000 in wages, and receive $12,000 in SSDI, your combined income is $5,000 + $12,000 + $6,000 (half of SSDI) = $23,000. You are below the first threshold, so no SSDI is taxable.

The second threshold is $34,000 for single filers and $44,000 for married filing jointly. If your combined income exceeds this second threshold, a more complex calculation applies. Up to 85 percent of your SSDI can become taxable, depending on how far above the second threshold you go. This second calculation only applies if you cross the second threshold; otherwise, the 50 percent cap from the first threshold is your limit.

What counts as income in the combined income formula

Combined income includes your SSDI, wages from work, self-employment income, interest, dividends, capital gains, rental income, and income from pensions or annuities. It does not include Supplemental Security Income (SSI), which is a different program. It also does not include certain types of income like gifts or inheritances.

The formula adds half of your SSDI to your other income. This half-SSDI amount is not itself taxable—it is only used to determine whether you cross the threshold. For instance, if you receive $12,000 in SSDI and $10,000 in wages, your combined income is $10,000 + $12,000 + $6,000 = $28,000. The $6,000 is just a calculation tool, not money you owe tax on.

If you are married and file jointly, both spouses' SSDI and other income count toward the combined income total. If you are married and file separately, the rules are much stricter and can result in more of your SSDI being taxable.

When you might owe taxes on up to 85 percent of your SSDI

The 85 percent threshold applies only if your combined income exceeds $34,000 (single) or $44,000 (married filing jointly). When this happens, the calculation becomes more complex, and a larger portion of your SSDI can be taxed.

Reaching the 85 percent threshold usually happens when you have substantial income from sources other than SSDI—such as wages, a pension, or investment income. For example, if you are single, receive $12,000 in SSDI, and earn $25,000 in wages, your combined income is $25,000 + $12,000 + $6,000 = $43,000. You exceed the second threshold by $9,000. The calculation then determines that up to 85 percent of your SSDI ($10,200 in this case) could be taxable, though the exact amount depends on the full formula.

Even at the 85 percent level, you never pay tax on more than 85 percent of your SSDI. The remaining 15 percent is always tax-free, no matter how high your other income is.

How to avoid a surprise tax bill

You can ask the Social Security Administration to withhold federal income tax from your SSDI payment each month. This works the same way as tax withholding from a paycheck—money is taken out now so you do not owe a large amount when you file your return.

To set up withholding, complete Form W-4V (Voluntary Withholding Request) and send it to your local Social Security office or mail it to the address on the form. You can choose to withhold 7, 10, 15, or 25 percent of your monthly payment. Once you submit the form, withholding usually begins with your next payment.

You can also change or stop withholding at any time by submitting a new Form W-4V. If you expect to owe taxes, setting up withholding is often simpler than paying a lump sum when you file your return.

State taxes and SSDI

Most states do not tax SSDI, but a few do. The states that tax SSDI are Colorado, Connecticut, Kansas, Minnesota, Missouri, Montana, Nebraska, New Mexico, Rhode Island, Utah, and Vermont. The rules vary by state—some tax it the same way the federal government does, while others have different thresholds or percentages.

If you live in one of these states, you may owe state tax on part of your SSDI even if you do not owe federal tax. Check your state's tax authority website or contact them directly to understand how your state treats SSDI. Some states offer credits or deductions that can reduce or eliminate the tax.

Reporting SSDI on your tax return

Social Security sends you a Form SSA-1099 each January showing the total SSDI you received in the previous year. You use this form to report your SSDI on your federal tax return. If you received SSDI from more than one source (for example, on your own record and as a family member), you may receive more than one Form SSA-1099.

You report the full amount from your Form SSA-1099 on your return, even if none of it is taxable. The IRS then uses the combined income formula to determine the taxable portion. If you had taxes withheld, those withholdings are credited against your total tax for the year.

If you do not receive a Form SSA-1099 by early February, contact Social Security to request a replacement. You need this form to file your return accurately.

Frequently Asked Questions

Can I reduce my SSDI taxes by earning less money?

Yes. Since combined income determines whether you owe tax, earning less from work or other sources can lower your combined income below the threshold. However, the decision to work involves many other factors, including how work affects your SSDI itself. Consult a benefits planner before making work decisions based on taxes alone.

What if I think Social Security made a mistake on my Form SSA-1099?

Contact Social Security directly at 1-800-772-1213 or visit your local office. Bring your records showing what you actually received. Social Security can issue a corrected Form SSA-1099 if an error occurred. Do not file your tax return until you have the correct form.

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

Not necessarily. If SSDI is your only income and your combined income is below the first threshold, you have no tax filing requirement. However, filing a return may still be worthwhile if you had taxes withheld, because you could receive a refund.

If I am married and file separately, why is more of my SSDI taxable?

The IRS treats married filing separately as a higher-risk category for tax purposes. If you file separately, the first threshold drops to $0, meaning any combined income at all can trigger taxation of your SSDI. This is why married couples almost always benefit from filing jointly when SSDI is involved.

Does my spouse's SSDI count toward my combined income?

Only if you file jointly. If you file jointly, both spouses' SSDI and all other income are combined for the threshold calculation. If you file separately, only your own SSDI and income count toward your threshold, but the threshold itself is much lower.