TaxWrenKey takeaways
- Social Security benefits are tax-free if half of them plus your other income and tax-exempt interest stays at or below $25,000 ($32,000 married filing jointly).
- Above that, up to 50% of benefits becomes taxable, and up to 85% once the total passes $34,000 ($44,000 joint). No one pays tax on more than 85% of their benefits.
- The taxable part is added to your other income and taxed at your normal rates. SSI payments are never taxable.
On this page
Social Security benefits are taxable for some people and not others. The test is simple: add half of your benefits to all your other income, including tax-exempt interest. If the total is $25,000 or less ($32,000 or less for a married couple filing jointly), none of your benefits are taxed. (That total is often called provisional income.) Above that, up to 50% and then up to 85% of your benefits are added to your taxable income.
The income thresholds
| Half of benefits + other income | Single, head of household, surviving spouse | Married filing jointly |
|---|---|---|
| No benefits taxed | $25,000 or less | $32,000 or less |
| Up to 50% taxed | $25,000 to $34,000 | $32,000 to $44,000 |
| Up to 85% taxed | Over $34,000 | Over $44,000 |
Source: IRS Publication 915. Married filing separately and living together at any time in the year: the threshold is $0.
These amounts are written in the law and are not adjusted for inflation, so each year's cost-of-living increase can push more retirees over them (see the latest COLA and wage base announcement).
How much of your benefits is taxable
The taxable part grows gradually. Between the two thresholds, it is half of the amount over the first threshold, but no more than half of your benefits. Above the second threshold, 85% of the excess is added, and the total is capped at 85% of your benefits.
| Other income | Half of benefits + other income | Taxable benefits | Share of benefits |
|---|---|---|---|
| $10,000 | $22,000 | $0 | 0% |
| $20,000 | $32,000 | $3,500 | 15% |
| $30,000 | $42,000 | $11,300 | 47% |
| $50,000 | $62,000 | $20,400 | 85% |
Single filer with $24,000 of benefits a year, no tax-exempt interest. Figured with the benefits worksheet in Publication 915.
For a married couple filing jointly with $40,000 of benefits: with $15,000 of other income, $1,500 is taxable (4%); with $30,000 of other income, $11,100 is taxable (28%); with $60,000 of other income, $34,000 is taxable (85%).
What counts as other income
Wages, self-employment income, pensions, withdrawals from traditional IRAs and 401(k)s, interest, dividends and capital gains all count, and so does tax-exempt interest such as municipal bond interest. That is why a large IRA withdrawal or required minimum distribution can make more of your Social Security taxable in the same year. Supplemental Security Income (SSI) is not taxable and does not count as a benefit for this test.
How to report and pay the tax
- Your total benefits for the year are in box 5 of Form SSA-1099, which the Social Security Administration sends early in the year.
- The taxable part is figured with a worksheet in the Form 1040 instructions (or Worksheet 1 in Publication 915) and added to your other income on your return. It is then taxed at your bracket rates.
- To avoid a bill at filing, you can ask for federal tax to be withheld from your benefits with Form W-4V, or make estimated tax payments.
If your only income is Social Security, you usually don't have to file a return at all; the Do I need to file taxes? page checks this. The income tax calculator estimates the tax on the rest of your income; enter the taxable part of your benefits as other income. For 2025 to 2028, people 65 or older also get the senior deduction of up to $6,000 each, which lowers the tax on taxable benefits without changing how much of them is taxable.
Sources
- IRS: Publication 915, Social Security and Equivalent Railroad Retirement Benefits (official)
- IRS: IRS: One Big Beautiful Bill Act tax deductions for working Americans and seniors (2025 through 2028) (official)
- IRS: Form W-4V, Voluntary Withholding Request (official)
Figures come from the data files behind our calculators and update with them. See our methodology and editorial policy. This article is general information, not tax advice.
Frequently asked questions
At what income is Social Security not taxable?
When half of your benefits plus all your other income, including tax-exempt interest, is $25,000 or less if you are single, head of household or a qualifying surviving spouse, or $32,000 or less if you are married filing jointly. A single retiree with $24,000 of benefits can have about $13,000 of other income before any of it is taxed.
Is Social Security taxed at 85%?
No. 85% is the most of your benefits that can be counted as taxable income, not a tax rate. That taxable amount is then taxed at your regular bracket rates, so the tax itself is much smaller.
Do married couples filing separately pay more tax on Social Security?
Often. If you file separately and lived with your spouse at any time during the year, the base amount is $0, so benefits are taxable from the first dollar, up to 85%.
Can I have federal tax withheld from my Social Security?
Yes. Ask for voluntary withholding with Form W-4V, filed with the Social Security Administration, to avoid a bill or estimated payments at tax time.
Does the new senior deduction make Social Security tax-free?
It doesn't change which part of your benefits is taxable, but for 2025 to 2028 people 65 or older can deduct up to $6,000 each (less above $75,000 of modified AGI, $150,000 joint), which can offset the taxable benefits for many retirees.
Run your own numbers
- Income tax calculator
Federal and state income tax owed for 2026.
- Do I need to file taxes?
Whether you must file a federal tax return, from the IRS income thresholds by filing status and age, the rules for dependents, self-employment and other situations, and when to file anyway to get a refund.
- RMD calculator
Required minimum distribution from a traditional IRA with the IRS Uniform Lifetime Table, the income tax it adds and a 10-year projection.