Putting money into an IRA changes your tax bill in one of two ways, depending on the account. A Traditional IRA contribution can be deducted from your income the year you make it, lowering what you owe now, and the withdrawals you take in retirement are taxed as ordinary income. A Roth IRA works the other way: no deduction today, but qualified withdrawals later come out entirely tax-free. For 2026, you can put up to $7,500 into either type, and how much of that actually reduces your taxes depends on your income, your filing status, and whether you or your spouse has a retirement plan at work. That is the short version of how IRA contributions affect your taxes; the details below fill in the numbers.
The Traditional IRA Deduction
A Traditional IRA contribution is subtracted from your gross income before the IRS calculates what you owe.1Office of the Law Revision Counsel. 26 USC 219 – Retirement Savings It is an above-the-line adjustment, so you get it whether or not you itemize, and it lowers your Adjusted Gross Income (AGI). A lower AGI can also help you qualify for other tax breaks that phase out at higher incomes.
The math is direct. Contribute the full $7,500 for 2026 while sitting in the 22% federal bracket, and you cut your federal tax bill by roughly $1,650.2Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 The money then grows tax-deferred inside the account: no annual tax on dividends, interest, or gains. You pay income tax when you withdraw the money in retirement.
When You Can Deduct a Traditional Contribution
The deduction is not automatic. If neither you nor your spouse is covered by an employer retirement plan such as a 401(k) or 403(b), your contribution is fully deductible at any income level.3Internal Revenue Service. IRA Deduction Limits Once a workplace plan is in the picture, your Modified Adjusted Gross Income (MAGI) determines how much you can deduct.
For 2026, the deduction phases out across these MAGI ranges:2Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
- Single filer covered by a workplace plan: $81,000 to $91,000
- Married filing jointly, contributing spouse covered: $129,000 to $149,000
- Married filing jointly, contributor not covered but spouse is: $242,000 to $252,000
- Married filing separately, covered by a plan: $0 to $10,000
Below the lower number, the full contribution is deductible. Inside the range, only part is. Above the upper number, you get no deduction, though you can still contribute and let the money grow tax-deferred. Contributions you cannot deduct are called nondeductible contributions and carry an extra reporting step covered further down.
How a Roth IRA Affects Your Taxes
A Roth IRA is funded with after-tax dollars, so contributing gives you no deduction in the current year.4Office of the Law Revision Counsel. 26 USC 408A – Roth IRAs The tax benefit is deferred to the other end: qualified withdrawals in retirement, including every dollar of investment earnings, come out tax-free.
Two conditions have to be met for a Roth withdrawal to qualify. The account must have been open at least five tax years, counted from January 1 of the year of your first Roth contribution. And you must be at least 59½, permanently disabled, or fall under another qualifying exception.4Office of the Law Revision Counsel. 26 USC 408A – Roth IRAs Pull earnings out before both are satisfied, and those earnings are generally taxable and often hit with an extra 10%.
Roth eligibility itself is capped by income. Once your MAGI passes a ceiling, direct Roth contributions are not allowed. The 2026 phase-out ranges are:5IRS.gov. 2026 Amounts Relating to Retirement Plans and IRAs, as Adjusted for Changes in Cost-of-Living
- Single or head of household: $153,000 to $168,000
- Married filing jointly: $242,000 to $252,000
- Married filing separately: $0 to $10,000
Below the lower number, you can contribute the full $7,500. Inside the range, your allowed contribution shrinks. Above it, direct Roth contributions are off the table. A Roth generally pays off if you expect to be in a similar or higher tax bracket in retirement, since you pay the tax now at a lower rate and never pay it on the growth.
Taxes on Withdrawals
The contribution side is only half of the picture. Traditional IRA distributions are included in your gross income for the year you receive them and taxed at your ordinary rate.6Office of the Law Revision Counsel. 26 USC 408 – Individual Retirement Accounts The deduction you took earlier deferred the tax; it did not erase it.
Pull money out of any IRA before age 59½ and you generally owe a 10% additional tax on top of any regular income tax due.7Office of the Law Revision Counsel. 26 U.S. Code 72 – Annuities; Certain Proceeds of Endowment and Life Insurance Contracts Several exceptions can waive the penalty, including qualified higher education expenses and up to $10,000 for a first-time home purchase. Roth contributions, meaning the amounts you put in rather than the earnings, can always be pulled out with no tax and no penalty because you already paid tax on that money. The 10% penalty and income tax on a Roth apply only to the earnings portion of a nonqualified withdrawal.
Extra Room for Savers 50 and Older
Turn 50 at any point in the tax year and the standard limit rises. For 2026, the catch-up amount is $1,100, bringing the total IRA contribution ceiling to $8,600 for either a Traditional or a Roth.2Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 Deducting the full $8,600 in a Traditional IRA at a 22% bracket produces roughly $1,892 in federal tax savings.
The Saver’s Credit
Lower- and moderate-income taxpayers can get a second tax benefit on the same contribution. The Retirement Savings Contributions Credit, known as the Saver’s Credit, reduces your tax dollar for dollar rather than reducing the income the tax is calculated on. It applies to the first $2,000 of IRA contributions per person and is nonrefundable, so it can zero out your tax but cannot generate a refund by itself.8Office of the Law Revision Counsel. 26 USC 25B – Elective Deferrals and IRA Contributions by Certain Individuals
The credit rate is 50%, 20%, or 10%, depending on filing status and AGI. For 2026:5IRS.gov. 2026 Amounts Relating to Retirement Plans and IRAs, as Adjusted for Changes in Cost-of-Living
- Married filing jointly: 50% credit if AGI is $48,500 or less; 20% for $48,501 to $52,500; 10% for $52,501 to $80,500; no credit above $80,500
- Head of household: 50% credit if AGI is $36,375 or less; 20% for $36,376 to $39,375; 10% for $39,376 to $60,375; no credit above $60,375
- Single or other filers: 50% credit if AGI is $24,250 or less; 20% for $24,251 to $26,250; 10% for $26,251 to $40,250; no credit above $40,250
A couple filing jointly with $48,000 in AGI who each contribute $2,000 gets a $2,000 credit (50% of $4,000). If one spouse is also deducting a Traditional IRA contribution, the credit stacks on top of that deduction.
The Deadline to Contribute for a Tax Year
Contributions count for the prior tax year as long as they are made by the tax return filing deadline, generally April 15.9Internal Revenue Service. Traditional and Roth IRAs For the 2026 tax year, the window runs from January 1, 2026, through April 15, 2027. A filing extension does not extend this deadline. If you learn at tax time that you owe more than expected, a last-minute Traditional IRA contribution can still cut that year’s taxable income. Just confirm with your financial institution that the deposit is coded to the correct tax year.
The Penalty for Contributing Too Much
Contribute more than your allowable limit, or contribute to a Roth when your income is over the ceiling, and the excess amount is hit with a 6% excise tax each year it sits in the account.10Office of the Law Revision Counsel. 26 U.S. Code 4973 – Tax on Excess Contributions to Certain Tax-Favored Accounts and Annuities The tax repeats every year until you fix the problem. To stop it, withdraw the excess and any earnings it produced by the due date of your return, including extensions.11Internal Revenue Service. Instructions for Form 5329 (2025) The earnings portion is included in your gross income for the year the contribution was made.
Reporting the Contribution on Your Return
A Traditional IRA deduction goes on Schedule 1 of Form 1040 in the adjustments-to-income section. That figure is subtracted from your gross income to produce your AGI. Skip the line and you pay tax on income you were entitled to shelter.
If your income put you over the deduction phase-out and you made a nondeductible contribution anyway, file Form 8606 to track your basis in the IRA.12Internal Revenue Service. Instructions for Form 8606 Basis is the after-tax money you put in, and it determines how much of a future withdrawal is tax-free versus taxable. Losing track of basis is how people end up paying tax twice on the same dollars.
Claiming the Saver’s Credit means completing Form 8880 and carrying the result to Form 1040. Your IRA custodian will send you Form 5498 after the contribution deadline summarizing everything you put in for the year, and the IRS gets a copy too.13Internal Revenue Service. Form 5498, IRA Contribution Information You do not attach it to your return; keep it with your records.