Many people are surprised to learn that Social Security benefits aren't always tax-free. Whether you'll owe federal taxes depends on your combined income for the year.

The good news is that not everyone pays taxes on their benefits. If your income falls below certain IRS limits, your Social Security benefits won't be taxed at the federal level. Here's how it works.

How the IRS Decides if Your Benefits Are Taxable

The IRS uses a calculation called combined income (also known as provisional income) to determine whether any of your Social Security benefits are taxable.

The formula is:

Combined Income = Adjusted Gross Income (AGI) + Tax-Exempt Interest + (1/2 × Annual Social Security Benefits)

What Counts Toward Combined Income?

Adjusted Gross Income (AGI)

This includes most of your taxable income, such as wages, self-employment earnings, pension income, traditional IRA or 401(k) withdrawals, and taxable interest or dividends.

Tax-Exempt Interest

Interest from investments like municipal bonds is generally tax-free, but it still counts when calculating your combined income.

Half of Your Social Security Benefits

Only 50% of the Social Security benefits you received during the year are included in this calculation.

Income Limits for Taxing Social Security Benefits

After calculating your combined income, compare it with the IRS thresholds below.

Single, Head of Household, or Qualifying Surviving Spouse

  • Less than $25,000: Your Social Security benefits aren't federally taxable.
  • $25,000 to $34,000: Up to 50% of your benefits may be taxable.
  • More than $34,000: Up to 85% of your benefits may be taxable.

Married Filing Jointly

  • Less than $32,000: No federal tax on your Social Security benefits.
  • $32,000 to $44,000: Up to 50% of your benefits may be taxable.
  • More than $44,000: Up to 85% of your benefits may be taxable.

Married Filing Separately

If you lived with your spouse at any time during the year, IRS rules are much stricter. In many cases, up to 85% of your Social Security benefits may be taxable regardless of your income level.

Important: These percentages do not mean you'll pay an 85% tax. They mean that up to 85% of your Social Security benefits can be included as taxable income. The actual tax you owe depends on your federal income tax bracket.

Examples

Do You Have to Pay Taxes on Social Security Benefits? (2026 Guide) - Visual Guide

Example 1: Single Filer

  • AGI: $18,000
  • Tax-Exempt Interest: $0
  • Social Security Benefits: $20,000
  • Combined income: $18,000 + $0 + $10,000 = $28,000

Since the combined income is $28,000, it falls between $25,000 and $34,000. As a result, up to 50% of the Social Security benefits may be taxable under IRS rules.

Example 2: Married Filing Jointly

  • AGI: $50,000
  • Tax-Exempt Interest: $2,000
  • Social Security Benefits: $36,000
  • Combined income: $50,000 + $2,000 + $18,000 = $70,000

Because the couple's combined income is $70,000, which is above the $44,000 threshold, up to 85% of their Social Security benefits may be included as taxable income.

Frequently Asked Questions

Can I have taxes withheld from my Social Security benefits?

Yes. If you expect to owe federal taxes, you can ask the Social Security Administration to withhold taxes from your monthly benefits by submitting IRS Form W-4V. You can choose withholding rates of 7%, 10%, 12%, or 22%, which may help you avoid making quarterly estimated tax payments.

Do states tax Social Security benefits?

It depends on where you live. Most states don't tax Social Security benefits, but a handful still do. Some of those states offer exemptions or income-based deductions, so it's worth checking your state's current tax rules.

Is Supplemental Security Income (SSI) taxable?

No. Supplemental Security Income (SSI) is a need-based benefit and is never subject to federal income tax.