My neighbor Dorothy Callahan opened her mailbox on , expecting her SSA-1099. What she found instead was a question she’d been avoiding for three years: exactly how much of her Social Security check would the IRS take? I’ve been covering Social Security for years, and Dorothy’s story — a retired schoolteacher in Tucson with $2,190 a month in benefits and a part-time tutoring gig — is more common than most retirees realize.
Up to 85% of your Social Security benefits can be federally taxable in 2026 depending on your combined income. The income thresholds triggering taxation — $25,000 for single filers, $32,000 for married couples — have not been adjusted for inflation since . Meanwhile, a separate legislative proposal would begin phasing those thresholds out entirely starting in . Here is what every retiree must understand before the filing deadline.
The Frozen Thresholds That Are Quietly Taxing More Retirees Every Year
Read more: Social Security Payment Dates 2026
I want to be direct: if Social Security benefits were your only income, your benefits are not taxable and you probably do not need to file a federal income tax return. That is the good news. But the moment you add any other income — a pension, a part-time job, required minimum distributions from an IRA — the math changes fast.
The IRS uses a formula called “combined income” to determine your taxable threshold. Combined income equals your adjusted gross income, plus nontaxable interest, plus 50% of your Social Security benefits. Here is where the freeze matters: Congress set the taxation thresholds in and raised them slightly in . They have not moved since. Average Social Security benefits, meanwhile, have more than doubled. The result? Millions of retirees who were never meant to pay tax on benefits now do.
Dorothy’s situation illustrates this perfectly. Her $2,190/month benefit equals $26,280/year. Her tutoring income adds $8,400. Her combined income calculation: $8,400 + $13,140 (50% of benefits) = $21,540. She clears the $25,000 single-filer threshold. Up to 50% of her benefits become taxable — roughly $3,195 in additional taxable income she did not anticipate.
What “Combined Income” Means for Your Actual 2026 Tax Bill
The three-tier structure is what trips most retirees up. Let me walk through it with real numbers. The average Social Security retirement benefit as of early is approximately $1,976/month — roughly what a two-bedroom apartment costs in Albuquerque, New Mexico. That equals $23,712 per year.
Any earned wages are subject to withholding for income tax, Social Security tax, and Medicare tax even if the taxpayer is already receiving Social Security benefits. That means if you work part-time — even a few hours a week at a hardware store — your employer withholds payroll taxes and your benefits may now push your combined income above a taxable threshold. Dorothy’s tutoring income did exactly that.
| Filing Status | Combined Income Range | % of SS Benefits Taxable | Example Tax Hit* |
|---|---|---|---|
| Single | Below $25,000 | 0% | $0 |
| Single | $25,000 – $34,000 | Up to 50% | ~$1,070–$3,200 |
| Single | Above $34,000 | Up to 85% | ~$2,700–$6,800+ |
| Married / Joint | Below $32,000 | 0% | $0 |
| Married / Joint | $32,000–$44,000 | Up to 50% | ~$800–$3,400 |
| Married / Joint | Above $44,000 | Up to 85% | ~$2,700–$9,500+ |
Source: SSA.gov — Benefits Planner: Income Taxes and Your Social Security Benefits
How the IRS Calculates Your “Combined Income”
Read more: 2026 Social Security COLA: Your Check Rises 2.8% — $56 More/Month
The IRS does not look at your Social Security check alone. It uses a specific formula called combined income — also called provisional income.
The Formula:
Adjusted Gross Income (AGI)
+ Nontaxable interest (e.g., municipal bond interest)
+ 50% of your annual Social Security benefits
= Combined Income
Here is a real-world example. I am a single retiree. My details for :
- Annual Social Security benefit: $18,000
- IRA withdrawal: $20,000
- Municipal bond interest: $1,500
- 50% of SS: $9,000
- Combined Income: $20,000 + $1,500 + $9,000 = $30,500
At $30,500, I fall in the 50% tier. Up to $4,500 of my Social Security could be taxable. That is real money — enough to matter at tax time.
Which States Tax Social Security Benefits in 2026?
Federal taxes are only part of the picture. As of , nine states still tax Social Security benefits to some degree. Most states have eliminated this tax entirely.
⚠️ States That May Tax SS Benefits
- Colorado
- Connecticut
- Minnesota
- Montana
- New Mexico
- Rhode Island
- Utah
- Vermont
- West Virginia
Rules vary by income and filing status. Check your state revenue agency.
✅ No State Tax on SS Benefits
41 states + D.C. do not tax Social Security income at the state level.
Popular retirement states with zero SS tax include:
- Florida
- Texas
- Arizona
- Nevada
- Pennsylvania
- Illinois
Source: AARP — Which States Don’t Tax Social Security?
6 Strategies to Reduce Taxes on Your Benefits
Read more: Can a $1,976 Social Security Check Cover Bills in Mississippi?
I am not a financial advisor. However, the IRS and SSA provide clear guidance on legal ways to manage your taxable income. Here are six approaches worth researching with a qualified tax professional.
Delay Claiming Social Security
Working longer and delaying benefits until reduces the years your benefits overlap with other taxable income. Your benefit also grows 8% per year past full retirement age.
Use Roth IRA Withdrawals
Qualified Roth withdrawals do not count toward combined income. Shifting some income to Roth accounts before retirement can keep you below taxability thresholds.
Manage IRA Withdrawals Carefully
Large traditional IRA withdrawals spike your AGI. Spreading withdrawals across years — or doing partial Roth conversions before age 73 — can prevent crossing into a higher SS tax tier.
Make Qualified Charitable Distributions (QCDs)
If you are age 70½ or older, you can transfer up to $105,000 directly from an IRA to charity in . This satisfies your RMD without counting as AGI.
Avoid Municipal Bond Interest Traps
Municipal bond interest is not</em
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