A Traditional IRA tax deduction lets you subtract your contribution from your taxable income for the year, and for the 2026 tax year the maximum deductible contribution is $7,500 if you’re under 50 or $8,600 if you’re 50 or older.1Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 Whether you get the full deduction, a partial one, or none at all comes down to two things: whether you or your spouse is covered by a retirement plan at work, and how much you earn. The deduction is taken as an adjustment to income, so it lowers your taxable income whether you itemize or take the standard deduction.
2026 Contribution Limits
The IRS caps annual contributions across all your Traditional and Roth IRAs combined. For 2026:
- Under age 50: $7,500
- Age 50 or older: $8,600 (the $7,500 base plus a $1,100 catch-up)
Both figures went up from 2025, when the base was $7,000 and the catch-up was $1,000.1Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
Your contribution also can’t exceed your taxable compensation for the year. If you earned $4,000 in 2026, $4,000 is the most you can put in, regardless of the statutory cap.2Internal Revenue Service. Retirement Topics – IRA Contribution Limits
Are You Covered by a Workplace Retirement Plan?
This is the question that decides whether income matters at all. If neither you nor your spouse is covered by a workplace retirement plan, your entire contribution is deductible no matter how much you earn.3Internal Revenue Service. IRA Deduction Limits No income test applies.
You’re considered covered if your employer maintains a defined contribution plan such as a 401(k), 403(b), SEP-IRA, or profit-sharing plan and contributions or forfeitures were allocated to your account during the year, or if you’re eligible to participate in a defined benefit pension plan.4Internal Revenue Service. Publication 590-A – Contributions to Individual Retirement Arrangements (IRAs) The quickest check is Box 13 on your W-2. If the “Retirement plan” box is marked, your employer treats you as covered.5Internal Revenue Service. Are You Covered by an Employer’s Retirement Plan?
2026 Income Phase-Out Ranges
When you or your spouse is covered by a workplace plan, the IRS uses your modified adjusted gross income (MAGI) to figure out how much of the contribution you can deduct. MAGI is your adjusted gross income with certain items added back, including the student loan interest deduction, the foreign earned income exclusion, and the IRA deduction itself. As your MAGI moves through the applicable range, the deductible amount shrinks. Above the top of the range, the deduction is gone.
For 2026:1Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
- Single or head of household, you are covered at work: $81,000 to $91,000
- Married filing jointly, the contributing spouse is covered: $129,000 to $149,000
- Married filing jointly, you are not covered but your spouse is: $242,000 to $252,000
- Married filing separately, you are covered: $0 to $10,000
The married-filing-separately range is unforgiving. Any MAGI above $10,000 wipes out the deduction, and that threshold does not adjust for inflation.
The gap between the second and third brackets is worth noticing. In a married couple where only one spouse has a 401(k), the spouse without the workplace plan keeps a full deduction until joint MAGI reaches $242,000, even though the covered spouse’s own deduction starts shrinking at $129,000. A household earning $200,000 with a single 401(k) between them can still take a full IRA deduction on the non-covered spouse’s contribution.
You Need Earned Income
Traditional IRA contributions require taxable compensation. Wages, salaries, tips, bonuses, commissions, and net self-employment earnings all count.4Internal Revenue Service. Publication 590-A – Contributions to Individual Retirement Arrangements (IRAs) Rental income, interest, dividends, pension or annuity payments, and Social Security benefits do not. If your only income is from investments or retirement benefits, you can’t make a deductible IRA contribution.
A spouse with little or no earnings can still contribute if the couple files jointly and the working spouse has enough compensation to cover both contributions.6Office of the Law Revision Counsel. 26 USC 219 – Retirement Savings If each spouse contributes $7,500, the working spouse needs at least $15,000 in earned income. The same annual limits apply to spousal IRAs as to any other Traditional IRA.
How to Claim the Deduction
Report the deduction on Schedule 1 (Form 1040), line 20. The total from Schedule 1 flows to line 10 of your 1040, reducing your adjusted gross income.7Internal Revenue Service. Schedule 1 (Form 1040) – Additional Income and Adjustments to Income Because it sits above the line, you get it whether you itemize or take the standard deduction.
Contributions count toward a tax year if made by that year’s filing deadline, not including extensions. For 2026 contributions, that’s April 15, 2027.8Internal Revenue Service. Traditional and Roth IRAs The window is useful: you can finalize your income for the year, calculate exactly how much you can deduct, and then contribute before filing. When you contribute in early 2027 for tax year 2026, tell your custodian which year the contribution belongs to. Many will ask, but if the default is the current year, you’ll lose the deduction.
If Your Income Is Too High to Deduct
You can still contribute to a Traditional IRA when your income exceeds the phase-out range. You just can’t deduct that contribution. This is a nondeductible contribution, and it creates a record-keeping duty you shouldn’t ignore.
File Form 8606 with your tax return for any year you make a nondeductible Traditional IRA contribution.9Internal Revenue Service. About Form 8606, Nondeductible IRAs Form 8606 tracks your basis, meaning the after-tax dollars already taxed. Skipping the form carries a $50 penalty, but the bigger problem is that without it, the IRS will treat every dollar you eventually withdraw as pre-tax and tax it again.10Internal Revenue Service. Instructions for Form 8606 (2025) Withdrawals from a Traditional IRA holding a mix of deductible and nondeductible contributions are partly taxable and partly tax-free; your cumulative 8606 filings tell the IRS how to split them. File it every year it applies.
Excess Contributions and the 6% Penalty
Contributing more than the annual limit, or more than your earned income, triggers a 6% excise tax on the excess. The tax applies every year the excess stays in the account.11Office of the Law Revision Counsel. 26 USC 4973 – Tax on Excess Contributions to Certain Tax-Favored Accounts and Annuities
You can avoid the penalty by withdrawing the excess along with any earnings on it before your tax filing deadline, including extensions. The withdrawn earnings are taxable in the year the contribution was made, and if you’re under 59½, those earnings may also face the 10% early withdrawal penalty.2Internal Revenue Service. Retirement Topics – IRA Contribution Limits Withdraw the excess in time and the IRS treats the contribution as though it never happened.
The Saver’s Credit on Top
Lower-income taxpayers may qualify for the Retirement Savings Contributions Credit, better known as the Saver’s Credit, in addition to the deduction. It’s a separate credit worth 10%, 20%, or 50% of your IRA contribution up to $2,000 per person, based on filing status and adjusted gross income. For 2026, married couples filing jointly with AGI up to $48,500 qualify for the 50% rate, and the credit phases out entirely above $80,500 for joint filers.
The credit is nonrefundable, so it can zero out your tax bill but won’t produce a refund on its own. Combined with the deduction on the same contribution, though, the effective cost of funding an IRA for a qualifying taxpayer can drop well below half of what they put in.