Social Security taxation in 2026 follows the same rules as today

Whether you pay tax on Social Security benefits in 2026 depends on your total income for that year, not on when you receive the benefits. The IRS uses a formula called combined income to decide. If your combined income stays below a certain threshold, you owe no tax on your benefits. If it goes above that threshold, you may owe tax on up to 85 percent of what you receive.

Combined income means your adjusted gross income plus nontaxable interest plus half your Social Security benefits. For 2026, the thresholds are expected to remain the same as 2025 unless Congress changes the tax code, which it has not announced plans to do. Those thresholds are $25,000 for single filers and $32,000 for married couples filing jointly.

The tax brackets and thresholds do not automatically adjust every year. They only change if Congress passes new legislation. Since no change has been proposed for 2026, you should plan based on the current thresholds, but check the IRS website in late 2025 for any updates.

Key Takeaways

  • Social Security becomes taxable only if your combined income (adjusted gross income plus half your benefits) exceeds $25,000 for single filers or $32,000 for married couples filing jointly.
  • Combined income includes wages, pensions, investment income, and nontaxable interest, so even a small part-time job or bond interest can push you over the threshold.
  • If you are over the threshold, you may owe tax on up to 85 percent of your benefits, not the full amount.
  • The IRS thresholds have not changed since 1984 and are not indexed to inflation, so more people become subject to taxation each year as their income grows.

How combined income is calculated

The IRS does not use your gross Social Security benefit amount alone. Instead, it adds together three things: your adjusted gross income (wages, self-employment income, taxable pensions, taxable interest, capital gains, and other income), any nontaxable interest you earned, and half of your Social Security benefits for the year.

This combined income total is what determines whether you cross the threshold. For example, if you are single and receive $20,000 in Social Security, earn $10,000 from part-time work, and have $2,000 in nontaxable municipal bond interest, your combined income is $10,000 plus $2,000 plus $10,000 (half of $20,000), which equals $22,000. You would stay under the $25,000 threshold and owe no tax on your benefits.

If that same person earned $18,000 instead of $10,000, the combined income would be $30,000, which exceeds the threshold by $5,000. At that point, the IRS applies a formula to determine how much of the benefit is taxable—up to a maximum of 85 percent.

What happens if you cross the threshold

Crossing the threshold does not mean all your benefits become taxable. The IRS uses a two-tier system. If your combined income is between the first threshold ($25,000 single, $32,000 married) and a second threshold ($34,000 single, $44,000 married), you may owe tax on up to 50 percent of your benefits. If your combined income exceeds the second threshold, you may owe tax on up to 85 percent.

The actual amount taxed depends on how far over the threshold you go. The formula is complex, but the result is that you never pay tax on more than 85 percent of your annual benefit, even if your income is very high. This means some of your benefit always remains tax-free.

You do not pay the tax directly to Social Security. Instead, you report the taxable portion on your federal income tax return (Form 1040) and pay it through your regular tax filing or estimated tax payments.

Income sources that count toward the threshold

Wages from employment count. So do net earnings from self-employment, taxable pensions, taxable annuities, taxable interest, capital gains, dividends, and rental income. Distributions from traditional IRAs and 401(k)s count as well. Even a small amount of income from any of these sources adds to your combined income total.

Some income does not count. Roth IRA distributions do not count (though the earnings portion of a conversion does). Veterans benefits do not count. Supplemental Security Income (SSI) does not count. Municipal bond interest does not count toward your regular income, but it does count toward combined income for Social Security taxation purposes only.

If you are married and file jointly, both spouses' income is combined. If you are married and file separately, the rules are much harsher—you may owe tax on your benefits even if your combined income is below the normal threshold.

Planning ahead for 2026

If you are approaching or already over the threshold, you have limited options to reduce the tax. You cannot reduce your Social Security benefit amount. You can reduce other income by working less, delaying a pension distribution, or timing capital gains sales. Some people delay claiming Social Security until a later age to reduce their current-year income, though this is a long-term decision with other consequences.

If you have not yet claimed Social Security, the age at which you claim affects your monthly benefit amount but not the tax rules. Claiming at 62 gives you a smaller monthly benefit; claiming at 70 gives you a larger one. The taxation rules explore the same way regardless of your claiming age.

If you are still working and earning wages, those wages count fully toward combined income. Some people reduce hours or retire earlier to drop below the threshold, though this is a personal financial decision that depends on your overall situation.

State taxes on Social Security

Federal taxation of Social Security is separate from state taxation. Most states do not tax Social Security benefits at all. However, a handful of states do: Colorado, Connecticut, Kansas, Minnesota, Missouri, Montana, Nebraska, New Mexico, Rhode Island, Utah, and Vermont. The rules vary by state.

If you live in one of these states, you may owe state tax on your benefits even if you owe no federal tax, or vice versa. Check your state's tax authority website for the specific rules in your state. Some states have income thresholds different from the federal thresholds, and some exempt certain types of income.

Frequently Asked Questions

Does the $25,000 threshold change every year?

No. The threshold has remained $25,000 for single filers and $32,000 for married couples filing jointly since 1984. Congress would have to pass new legislation to change it. Because the threshold is not indexed to inflation, more people become subject to taxation each year as their income grows.

If I delay claiming Social Security, will my benefits be taxed less?

Delaying your claim increases your monthly benefit amount, but the taxation rules are the same. A larger monthly benefit means more combined income in the years you receive it, which could actually increase your tax liability. The decision to delay should be based on your overall financial picture, not on tax avoidance.

Can I avoid the tax by taking my Social Security as a lump sum?

No. Social Security does not offer lump-sum payments to current retirees. You receive benefits monthly. The combined income calculation includes all benefits you receive in the tax year, regardless of how they are paid.

What if I have very little income but still owe tax on my benefits?

If your combined income is above the threshold, you may owe tax even if your total income feels small. This happens because half your Social Security benefit counts toward combined income. You can report the tax owed when you file your return, or you can request that Social Security withhold federal income tax from your monthly benefit to avoid a large bill at tax time.

Does Roth IRA income count toward the Social Security tax threshold?

Roth IRA distributions do not count as income for most purposes, but if you convert a traditional IRA to a Roth, the conversion amount counts as income and affects your combined income calculation. Plan conversions carefully if you are near the threshold.