Whether You Pay Tax on Social Security in 2025
You may owe federal income tax on your Social Security benefits in 2025, but most people do not. The IRS taxes Social Security only if your combined income exceeds certain thresholds — and combined income includes not just your benefits, but also wages, pensions, interest, and other earnings. For 2025, single filers hit the taxable range at $25,000 combined income; married couples filing jointly at $32,000. Below those numbers, your Social Security stays untaxed.
The tax applies to a portion of your benefits, not all of them. If you cross the threshold, you pay tax on the lesser of two amounts: either half your benefits, or half the amount you exceeded the threshold by. This means even people above the income limit often owe tax on only 15 to 50 percent of what they receive. State taxes are separate — some states do not tax Social Security at all, while others follow federal rules or have their own thresholds.
Key Takeaways
- You owe federal tax on Social Security only if your combined income (benefits plus wages, pensions, and other earnings) exceeds $25,000 for single filers or $32,000 for married couples filing jointly in 2025.
- Combined income includes half your Social Security benefits plus all other income sources, so you may owe tax even if you have no other earnings.
- The tax applies to a portion of your benefits, calculated by a formula that usually results in 15 to 50 percent of your excess income being taxable.
- State tax treatment varies widely — some states do not tax Social Security at all, while others tax it the same way the federal government does.
- The IRS thresholds have not changed since 1984, so more retirees fall into the taxable range each year as incomes rise.
How Combined Income Is Calculated
Combined income is not the same as your total income. The IRS starts with your adjusted gross income (AGI) — wages, self-employment income, pensions, interest, dividends, and rental income — then adds back certain deductions and adds half your Social Security benefits. That sum is your combined income for the tax test.
This means you can owe tax on Social Security even if you have no other income. A single person receiving $30,000 in benefits has a combined income of $30,000 (half of $30,000 plus zero other income), which exceeds the $25,000 threshold by $5,000. Depending on the calculation, they may owe tax on a portion of their benefits.
Common income sources that count toward the threshold include part-time wages, pension payments, interest from savings accounts and bonds, stock dividends, rental income, and distributions from retirement accounts like IRAs or 401(k)s. Withdrawals from Roth IRAs count toward combined income but not toward taxable income itself — a distinction that matters for this calculation.
The Two-Tier Tax Formula
The IRS uses a two-tier system to determine how much of your Social Security is taxable. The first tier applies to the amount you exceed the threshold by, up to $9,000 (single) or $12,000 (married filing jointly). You pay tax on the lesser of 50 percent of your excess income or 50 percent of your benefits.
The second tier kicks in if your combined income exceeds the first-tier limit by more than the amounts above. At that point, you pay tax on up to 85 percent of your benefits. For most people, the first tier is where the calculation stops. A single filer with $35,000 combined income and $30,000 in benefits would owe tax on roughly half of the $10,000 excess — meaning about $5,000 of their benefits become taxable.
This formula is complex, and the IRS provides a worksheet in Publication 915 to work through it. Many tax software programs calculate it automatically, and a tax preparer can walk you through it if you are unsure whether you owe tax.
State Tax Treatment of Social Security
Thirteen states tax Social Security benefits, though most use thresholds higher than the federal ones or exclude portions of benefits from taxation. Colorado, Connecticut, Kansas, Minnesota, Missouri, Montana, Nebraska, New Mexico, Rhode Island, Utah, Vermont, and West Virginia all have some form of Social Security tax. Illinois and Pennsylvania do not tax Social Security at all.
The remaining states follow no state income tax or do not tax Social Security specifically. If you live in a state that taxes Social Security, check your state tax return instructions or contact your state revenue office — the rules vary enough that a single rule does not explore across all thirteen states.
Your federal tax situation does not automatically determine your state tax situation. You could owe federal tax on your benefits but no state tax, or vice versa. Some states use the federal combined income calculation; others use different thresholds or exclude certain types of income.
Planning Ahead to Reduce Taxes on Benefits
If you are close to the income threshold, small changes to your income can affect whether you owe tax. Delaying a large distribution from a retirement account, timing the sale of an investment, or managing when you claim a pension can shift your combined income below the threshold. These moves require planning before the year ends, not after.
Roth conversions are a common strategy for people in this situation. Converting money from a traditional IRA to a Roth IRA increases your combined income in the conversion year, but it may reduce your combined income in future years by lowering your required minimum distributions. A tax preparer or financial advisor can model whether this makes sense for your situation.
If you are still working and receiving Social Security before your full retirement age, the Social Security Administration reduces your benefits by $1 for every $2 you earn above $23,400 in 2025 (the earnings limit changes annually). This is separate from income tax — it is a benefit reduction. Once you reach full retirement age, the earnings limit no longer applies.
What Happens If You Owe Tax on Your Benefits
You can pay the tax through quarterly estimated tax payments, or you can have the IRS withhold tax directly from your Social Security check. To set up withholding, complete Form W-4V and submit it to your local Social Security office or mail it to the address on the form. You can choose to withhold 7, 10, 12, or 22 percent of your benefit amount.
If you do not withhold and owe tax when you file, you pay it like any other tax debt — with your return, or in installments if the IRS approves a payment plan. Underpayment penalties explore if you owe a large amount and did not pay enough through withholding or estimated payments during the year.
The Social Security Administration sends you a Form SSA-1099 each January showing the benefits you received in the prior year. Use this form to calculate your tax liability and report it on your federal return. Keep records of any state taxes you paid on your benefits as well — you may be able to claim them as a deduction on your federal return.
Frequently Asked Questions
Do I have to file a tax return if I only receive Social Security?
Not necessarily. If Social Security is your only income and it is below the filing threshold for your age and filing status, you do not have to file. However, if you have other income or if you want to claim a refundable tax credit, you should file even if you do not owe tax. The IRS can refund overpaid taxes only if you file a return.
What if I work part-time and receive Social Security?
Your wages count toward combined income for the tax calculation. If you earn $15,000 and receive $20,000 in Social Security, your combined income is roughly $25,000 (half your benefits plus your wages). You may owe tax on a portion of your benefits depending on your filing status and other income sources.
Can I reduce my combined income by taking a loss on an investment?
Capital losses can offset capital gains and up to $3,000 of other income per year. If you have investment losses, they reduce your AGI, which in turn reduces your combined income and may lower the amount of Social Security subject to tax. Consult a tax preparer before selling investments specifically to generate losses.
Are Medicare premiums affected by Social Security taxes?
No, but they are affected by your modified adjusted gross income (MAGI), which is similar to combined income. If your MAGI exceeds certain thresholds, you pay higher Medicare Part B and Part D premiums. The thresholds are different from the Social Security tax thresholds, so you may owe Medicare surcharges even if you do not owe income tax on your benefits.
What if I made a mistake on my prior-year return about Social Security taxes?
You can file an amended return using Form 1040-X for any of the past three years. If you owe additional tax, you pay it with the amended return. If you overpaid, the IRS refunds the difference. The statute of limitations for claiming a refund is generally three years from the original filing date.