Contribute more than the year’s IRA limit (or more than your compensation allows), and the IRS treats the overage as an excess contribution. Leaving it alone can trigger a 6% excise tax each year the excess remains. Fix paths usually involve removing the excess (often with net income attributable, or earnings), applying it to a later year if eligible, or—when the dollars were nondeductible intentional basis—tracking Form 8606 carefully. This page is correction orientation, not a substitute for Pub 590-A worksheets.
Deductibility phaseouts are a different problem from “too many dollars in the account”: Traditional IRA deduction phaseouts. Roth income limits can create excesses when MAGI is too high: Roth vs traditional IRA taxes. Backdoor workflows that stumble into excesses: Backdoor Roth basics.
What counts as excess (orientation)
| Situation | Why it becomes excess |
|---|---|
| Over the annual IRA dollar limit (under-50 or catch-up) | Total traditional + Roth contributions for the year exceed the cap |
| Contributed without enough taxable compensation | Limit is also capped by earned income / compensation rules |
| Roth contribution when MAGI is over the phaseout | Part or all of the Roth deposit is excess |
| Duplicate deposits / wrong-year labeling at the custodian | Two “max” transfers or a prior-year mis-tag |
Custodians (Fidelity, Schwab, Vanguard, E*TRADE) will often accept a deposit that later turns out excess—the tax return and Forms 5329 / 8606 still decide. Tax software habits: Filing taxes for beginners.
Removal vs carry-forward vs “leave it”
- Remove the excess by the tax-filing deadline (including extensions) — Many people request a corrective distribution of the excess plus net income attributable (NIA). Earnings removed may be taxable; the point is stopping the 6% clock when rules are met.
- Apply excess to a later year — If you contribute under the limit next year, you may be able to absorb prior excess (still watch Form 5329 until resolved).
- Leave excess in place — The 6% excise tax can apply for each year the excess remains. That is usually the expensive path.
Roth conversions are not the same as removing an excess contribution: Roth conversions basics. Portfolio context after you fix paperwork: Investing basics for beginners.
Worked example: $1,500 excess and NIA
Alex maxes a traditional IRA for 2025 at the annual limit, then accidentally also funds $1,500 into a Roth IRA at Vanguard thinking it was a taxable brokerage transfer. Combined IRA contributions are $1,500 over the year’s cap. By March 2026 Alex asks Vanguard for a corrective distribution of $1,500 plus NIA. Illustrative NIA is $45 (markets moved). Alex receives $1,545.
| Slice | Illustrative treatment (orientation) |
|---|---|
| $1,500 excess returned | Generally not taxed again as a distribution of the contribution itself when properly corrected |
| $45 NIA | Often taxable as income for the year earned; may need withholding/estimated tax attention |
| Form 5329 | Used if any 6% tax still applies for a year the excess sat; timely removal aims to avoid repeating 6% |
If Alex ignored the excess through 2026 and 2027, 6% of $1,500 each year ($90/year in this illustration) could stack until corrected—plus any earnings complexity. Exact taxability depends on traditional vs Roth, basis, and whether the contribution was deductible; use IRS worksheets or a tax pro.
Practical habits
- Total all traditional and Roth IRA contributions for the calendar year before you hit “transfer.”
- Check MAGI against Roth phaseouts before funding a Roth near the limit.
- If you over-deposit, call the custodian’s excess-contribution desk the same week; ask for NIA calculation and tax-year coding.
- Calendar the filing deadline including extensions if you plan a timely removal.
- Keep the corrective-distribution statement with Form 5329 / 8606 workpapers.
- Do not “fix” an excess by doing an unrelated Roth conversion without reading the forms—conversions solve different problems (Roth conversions).
Checklist
- Confirm the year’s IRA limit and your compensation ceiling.
- Sum every IRA custodian’s year-to-date contributions.
- If excess exists, choose removal (with NIA), carry-forward, or accept Form 5329 math—with eyes open.
- Request corrective paperwork in writing; save confirmations.
- Update tax software so the return matches the custodian 1099-R / correction codes.
- Prevent a repeat with a contribution log before each December surge.
Form 8606 basis tracking when a backdoor is involved: Backdoor Roth Form 8606 basics.
Educational only. Not tax, legal, or investment advice. Excess-contribution removal, NIA, and the 6% excise tax rules change by year and account type; verify IRS Publication 590-A, Form 5329 instructions, and your custodian’s corrective-distribution procedures before you act.