At What Age Is Social Security No Longer Taxed?

There is no age at which Social Security is no longer taxed. Federal law does not exempt benefits based on your birthday, your full retirement age, or how long you have been collecting. Whether any of your Social Security is taxed each year depends on your total income, measured against dollar thresholds Congress set in 1983 and 1993 and has never indexed for inflation.¹ Because those numbers are frozen while incomes have risen, more retirees cross into taxable territory every year.

So the useful question is not what age gets you out. It’s what income level does, and how you manage that income.

What Actually Determines Whether Your Benefits Are Taxed

The IRS uses a figure called combined income (sometimes provisional income) to decide how much of your Social Security is taxable. The formula: your adjusted gross income, plus any tax-exempt interest such as municipal bond income, plus half of your Social Security benefits for the year.² Adjusted gross income includes pensions, wages, traditional IRA and 401(k) withdrawals, investment income, and most other taxable sources.

That combined income number is compared to fixed thresholds tied to your filing status. Below the lower threshold, none of your benefits are taxed. Between the two thresholds, up to 50% of benefits get pulled into taxable income. Above the upper threshold, up to 85% do. This is not a tax rate on your benefits. It’s the share of your benefits that gets added to your taxable income and then taxed at your ordinary bracket.

The Federal Thresholds by Filing Status

Single, Head of Household, or Qualifying Surviving Spouse

Below $25,000 in combined income, no benefits are taxed. Between $25,000 and $34,000, up to 50% of benefits become taxable. Above $34,000, up to 85% do.¹

Married Filing Jointly

Same structure, higher numbers. Below $32,000, benefits are tax-free. Between $32,000 and $44,000, up to 50% are taxable. Above $44,000, up to 85% are taxable.¹ Both spouses’ income and half of both spouses’ benefits go into the calculation, which is why many couples cross the upper threshold without realizing it.

Married Filing Separately

If you are married, file a separate return, and lived with your spouse at any point during the year, your base amount is $0.¹ Up to 85% of benefits are taxable from the first dollar of combined income. If you lived apart from your spouse the entire year, the single-filer thresholds apply instead.²

How Much of Your Benefits Get Taxed

The taxable portion is capped at 85% of your total benefits no matter how high your income goes.² Within that ceiling, the calculation phases in gradually, so barely clearing a threshold does not trigger a large tax bill.

In the 50% tier, the taxable amount is the lesser of half your total benefits or half the amount by which your combined income exceeds the lower threshold. In the 85% tier, the formula adds 85% of the income above the upper threshold to the maximum amount from the 50% calculation.¹

A quick example. You are a single filer with $20,000 in Social Security benefits, $15,000 in pension income, and $2,000 in tax-exempt interest. Combined income is $15,000 + $2,000 + $10,000 (half of benefits) = $27,000. That sits in the 50% tier. The taxable portion is the lesser of 50% of $20,000 ($10,000) or 50% of the $2,000 excess over $25,000 ($1,000). You would include $1,000 of your benefits in taxable income for the year.

Ways to Keep More of Your Benefits

Because taxability turns on combined income and not age, the levers you have are all about what counts toward that number.

Draw From Roth Accounts

Qualified distributions from Roth IRAs and Roth 401(k)s do not show up in adjusted gross income, so they stay out of the combined income formula entirely. Pulling living expenses from Roth accounts while leaving traditional accounts alone can keep you below the thresholds. The planning window often opens years before you claim benefits: converting traditional IRA funds to a Roth while you are still working or in early retirement costs tax now but produces Roth dollars that will not push combined income later.

Use Qualified Charitable Distributions

If you are 70½ or older and take required minimum distributions from a traditional IRA, a qualified charitable distribution lets you send up to $111,000 per year (the 2026 limit) directly from the IRA to a qualifying charity.³ The amount satisfies your RMD but is excluded from gross income, so it never enters the combined income calculation. For retirees who already give to charity, this is often the single most effective way to reduce Social Security taxation.

Time Your Income

Combined income is calculated fresh each year, so a one-time event like selling an investment, cashing out a CD, or taking an unusually large retirement account withdrawal can push you from the 50% tier into the 85% tier for that year. Spreading lumpy income across tax years, when you can, keeps combined income closer to the lower thresholds. HSA withdrawals used for qualified medical expenses are not taxable and stay out of the calculation; withdrawals used for anything else count.⁴

State Taxes Are a Separate Question

Most states do not tax Social Security. Some have no state income tax, and others tax income but exempt Social Security specifically. For the 2026 tax year, roughly eight states still tax benefits to some degree, most with partial exemptions based on income, and several states have repealed their tax in recent years. Where a state does tax benefits, the structure usually mirrors the federal system: an income threshold below which benefits are exempt, and a taxable portion above it. Thresholds vary widely, and some states cap the taxable share below the federal 85%. If you live in one of these states, check the current rules, because legislatures have been actively changing them.

One Thing That Is Never Taxed

Supplemental Security Income is not the same program as Social Security retirement, survivor, or disability benefits. SSI is never subject to federal income tax and does not appear on Form SSA-1099.⁵ If SSI is your only income, you have no federal tax obligation on it regardless of the amount. That exemption is built into the program itself, not tied to age.

1
Office of the Law Revision Counsel. 26 USC 86 – Social Security and Tier 1 Railroad Retirement Benefits
2
Internal Revenue Service. Publication 915 (2025), Social Security and Equivalent Railroad Retirement Benefits
3
Internal Revenue Service. 2026 Amounts Relating to Retirement Plans and IRAs, as Adjusted for Changes in Cost-of-Living
4
Internal Revenue Service. Health Savings Accounts and Other Tax-Favored Health Plans
5
Internal Revenue Service. Social Security Income