Yes — you can make a prior-year Roth IRA contribution up until the federal tax filing deadline. For the 2025 tax year, that means any deposit received by April 15, 2026 counts as a 2025 contribution, even though the calendar year has closed.1Office of the Law Revision Counsel. 26 U.S. Code 219 – Retirement Savings The standard cap is $7,000, or $8,000 if you’re 50 or older by year-end.
The Deadline
The IRA deadline tracks the federal tax filing date. For 2025 contributions, that’s Wednesday, April 15, 2026.2Internal Revenue Service. When to File When April 15 lands on a weekend or holiday, the IRS moves the date to the next business day and the IRA cutoff moves with it.
Filing an extension does not extend this deadline. The statute is specific: contributions count as prior-year only if made before the original filing date, “not including extensions.”1Office of the Law Revision Counsel. 26 U.S. Code 219 – Retirement Savings Even if you push your return to October 15, the Roth money has to be in the account by April 15. Deposits arriving after that get coded as a current-year contribution instead.
How Much You Can Put In
The IRS caps combined contributions across all your traditional and Roth IRAs. For 2025, that ceiling is $7,000 under age 50, and $8,000 if you turned 50 or older during the year.3Internal Revenue Service. Retirement Topics – IRA Contribution Limits The catch-up piece has been $1,000 for years, but SECURE 2.0 made it inflation-adjusted starting in 2026. That year, the base limit rises to $7,500 and the catch-up to $1,100, for a top of $8,600 at age 50+.4Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
Two caveats trip people up. First, you can never contribute more than you earned. If your taxable compensation for 2025 was $4,500, that’s your cap, not $7,000.3Internal Revenue Service. Retirement Topics – IRA Contribution Limits Second, the limit is combined. If you already put $3,000 into a traditional IRA for 2025, only $4,000 of Roth room remains for that year.
One boundary worth noting: the enhanced “super catch-up” for ages 60 through 63 under SECURE 2.0 applies only to workplace plans like 401(k)s and 403(b)s. It does not increase IRA limits.4Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
Who Qualifies
Two income rules gate a Roth contribution. You need earned income, and your total income can’t be too high.
Earned income means wages, salary, tips, self-employment earnings, or similar pay for work performed. Rental income, dividends, and interest don’t count. If your only 2025 income was passive, no Roth contribution is available for that year.
The second rule is the phase-out based on Modified Adjusted Gross Income (MAGI). For 2025:
- Single or head of household: $150,000 to $165,000
- Married filing jointly: $236,000 to $246,000
- Married filing separately (if you lived with your spouse): $0 to $10,000
Below the bottom of your range, you can contribute the full amount. Inside the range, the allowed contribution shrinks on a sliding scale. Above the top, direct Roth contributions are not available.3Internal Revenue Service. Retirement Topics – IRA Contribution Limits
Contributing for a Non-Working Spouse
On a joint return, a working spouse’s compensation can support IRA contributions for both spouses. Each spouse can contribute up to the full limit into their own Roth IRA, as long as the couple’s combined taxable compensation covers both deposits.3Internal Revenue Service. Retirement Topics – IRA Contribution Limits A couple with one earner making $100,000 and the other at home could fund $7,000 into each spouse’s Roth for 2025, for $14,000 combined. Each account has to be in its own owner’s name; there is no joint IRA.
Making the Deposit Count for Last Year
The critical step is telling your custodian which tax year the money is for. Between January 1 and April 15, most brokerages will prompt you to select “2025” or “2026” during the online transfer. If you don’t specify, the deposit defaults to the current calendar year, and you’ll need to contact the custodian to have it recoded.
Mailing a check? Write your account number and the tax year on the memo line. The custodian needs that explicit note to book it correctly.5Internal Revenue Service. About Form 5498, IRA Contribution Information ACH transfers from your bank usually take two to three business days to clear, so don’t wait until April 14 if you’re close to the wire. Wires settle faster but often carry fees.
Once posted, your custodian reports the contribution to the IRS on Form 5498, listing both the amount and the tax year.5Internal Revenue Service. About Form 5498, IRA Contribution Information You’ll receive a copy, usually by the end of May. Keep it with your records.
Do You Have to Amend Your Return?
Usually not. Roth contributions come from after-tax dollars, aren’t deductible, and don’t change your tax liability.6Office of the Law Revision Counsel. 26 U.S. Code 408A – Roth IRAs Filing your 2025 return in February and then making a prior-year Roth contribution in March doesn’t invalidate anything.
The one situation to check is the Saver’s Credit. If your income is low enough that the new contribution qualifies you for the Retirement Savings Contributions Credit, filing Form 1040-X to amend could produce a larger refund.7Internal Revenue Service. File an Amended Return Most filers won’t need to amend.
If You Contributed Too Much or Weren’t Eligible
Overcontributing, or contributing when your MAGI turns out too high, triggers a 6% excise tax on the excess for every year it stays in the account.3Internal Revenue Service. Retirement Topics – IRA Contribution Limits The penalty is reported on Form 5329 and keeps compounding until you fix it.8Internal Revenue Service. Form 5329 – Additional Taxes on Qualified Plans Including IRAs and Other Tax-Favored Accounts
To dodge the tax entirely, withdraw the excess plus any earnings it generated before your filing deadline, including extensions — so as late as October 15 if you extended.3Internal Revenue Service. Retirement Topics – IRA Contribution Limits The earnings portion pulled out is taxed as ordinary income in the year of the excess contribution.
This is where the prior-year window occasionally backfires. If you max out your 2025 Roth in February 2026 and then a late K-1 or corrected W-2 arrives showing your MAGI was higher than you thought, removing the excess quickly becomes the priority.
If Your Income Is Above the Phase-Out
If your MAGI is above the top of the Roth phase-out, direct contributions aren’t available, but a common workaround remains. The steps: contribute to a traditional IRA on a nondeductible basis (there’s no income cap on nondeductible traditional IRA contributions), then convert that balance to a Roth. Done promptly, the conversion generates little or no tax because you already paid tax on the money going in. Any earnings that accrue in the traditional IRA before conversion are taxable as income when converted.
The pro-rata rule is the piece most people miss. If you hold other traditional IRA balances with pre-tax money — from old 401(k) rollovers, deductible contributions, or a SEP-IRA — the IRS won’t let you cherry-pick and convert only the after-tax slice.9Internal Revenue Service. Rollovers of After-Tax Contributions in Retirement Plans It treats all your traditional IRAs as one pool, and any conversion is taxed proportionally. If 90% of that pool is pre-tax, then 90% of the conversion is taxable, no matter which account the dollars came out of.
You’ll need to file Form 8606 with your return to report both the nondeductible contribution and the conversion. Skipping it is one of the most common mistakes with this strategy, and it can lead to being taxed on the same money twice when distributions eventually come out.