Retirement Contributions Before Year-End: 2026 Limits and Deadlines
Retirement accounts are the most common way to cut a tax bill, but the deadlines are not all the same. Payroll deferrals end on December 31, IRA contributions can wait until April, and self-employed plans have their own rules. This guide lays out the 2026 limits from IRS Notice 2025-67, how the deduction phase-outs work and a plan for the last weeks of the year. The bracket room calculator shows what a contribution is worth at your marginal rate.
2026 limits at a glance
| Item | 2026 limit |
|---|---|
| 401(k), 403(b), 457(b) employee deferral | $24,500 |
| Catch-up, age 50 or over | $8,000 |
| Catch-up, ages 60 to 63 | $11,250 |
| Total defined contribution limit (employee plus employer) | $72,000 |
| IRA contribution | $7,500 |
| IRA catch-up, age 50 or over | $1,100 |
The 60 to 63 catch-up replaces the regular catch-up for those years; it does not add to it. You can contribute to an IRA only up to your taxable compensation, and you can fund both an IRA and a workplace plan, although the IRA may be less deductible.
Roth catch-up for higher earners
Beginning in 2026, if your Social Security wages from your employer in the prior year were more than $150,000, any catch-up contributions to a 401(k), 403(b) or governmental 457(b) must be made as Roth contributions, after-tax. You still get the larger limit, but you do not get the upfront deduction. If your employer’s plan has no Roth option, higher earners cannot make catch-up contributions.
Traditional versus Roth: which deadline applies
- Payroll deferrals: must come out of pay received by December 31, 2026. Change your election with your employer; some payroll systems need a week or two.
- IRA contributions for 2026: can be made until the April 2027 filing deadline, and you tell your custodian which year the money is for.
- SEP-IRA employer contributions: up to the filing deadline, including extensions.
- Solo 401(k): the employee deferral election usually must be in place by December 31, while the employer share can be made by the filing deadline. Plan documents differ, so check yours.
- Roth conversions: December 31, as in our conversion guide.
Who can deduct a traditional IRA contribution
If neither you nor your spouse is covered by a workplace plan, the contribution is fully deductible at any income. If you are covered, the deduction phases out. For 2026 the income ranges (modified AGI) are:
- Single or head of household, covered by a workplace plan: $81,000 to $91,000.
- Married filing jointly, if the contributing spouse is covered: $129,000 to $149,000.
- Married filing jointly, if only the other spouse is covered: $242,000 to $252,000.
- Married filing separately: $0 to $10,000.
For Roth IRA contributions, the eligibility ranges are $153,000 to $168,000 for single filers and $242,000 to $252,000 for joint filers. Contributions in the phase-out range are reduced, not eliminated outright. Those above the range cannot contribute directly, although a backdoor Roth (a non-deductible IRA contribution followed by a conversion) may be possible, subject to the pro-rata rule.
What a contribution is worth
A $5,000 pre-tax contribution saves $5,000 times your marginal federal rate in the year, plus state tax where applicable. At 12% that is $600, at 22% $1,100 and at 24% $1,200. A Roth contribution saves nothing today, but future growth and withdrawals are tax-free. If you are in a low bracket now and expect to be in a higher one later, the Roth often wins; in a high bracket now with an expected lower one in retirement, the traditional option is often better. Many people split. Use the bracket calculator to see what bracket your next dollar falls in.
Using your employer match
The match is part of your compensation, and failing to capture it is leaving pay on the table. Some plans calculate the match every pay period, so if you front-load your deferrals and reach the annual limit by September, you may lose the match for the remaining months. Look for a “true-up” provision in your plan description, or spread contributions evenly. With a year-end bonus, check whether your plan allows you to defer part of it.
Self-employed savers
If you work for yourself, a solo 401(k) allows both an employee deferral and an employer profit-sharing contribution, up to the $72,000 total (plus catch-ups). A SEP-IRA allows employer contributions of up to 25% of compensation (about 20% of net self-employment earnings after the deduction for half of self-employment tax), up to the same total limit. The right choice depends on your income, whether you have employees and whether you want a Roth option. Setting up a solo 401(k) before December 31 is the safest way to defer from 2026 income. Some newly adopted plans for self-employed people can be started retroactively under SECURE 2.0, but providers differ, so confirm with yours before relying on that.
Common mistakes to avoid
- Contributing to an IRA for the wrong year. Tell the custodian whether a January to April deposit is for 2026 or 2027.
- Exceeding the limit by contributing to two IRAs. The IRA limit applies across all your IRAs combined, and excess contributions face a 6% excise tax each year until removed.
- Forgetting that the 401(k) limit applies per person across all employers, so changing jobs mid-year can mean over-deferral.
- Assuming a deduction is available without checking the phase-outs when you are covered by a plan at work.
The saver’s credit
People with modest incomes may qualify for a tax credit for contributions to a retirement plan, worth up to 50% of the first $2,000 contributed ($4,000 for joint filers). The credit has income limits and is reduced as AGI rises, and it is separate from the deduction. See the IRS page for the current ranges.
A plan for the last six weeks
- Check year-to-date deferrals on your pay stub and the plan website.
- Calculate how much you could still defer with the remaining paychecks.
- If you plan to contribute to an IRA, decide whether it will be traditional or Roth and which bracket you are in.
- If you are self-employed, set up the plan and the deferral now.
- Keep cash for living expenses: do not defer so much that you must borrow.
These limits are indexed for inflation, so next year they will likely change. The IRS publishes the 2027 figures in the fall of 2026; see their notice before you plan for January. Any planning with limits for 2027 should be considered preliminary until then.