2026 Contribution Limits and the New Roth Catch-Up Rule for High Earners

For 2026, the IRS set the 401(k) employee deferral limit at $24,500, with an $8,000 catch-up for those 50 and older and an enhanced $11,250 catch-up for ages 60 to 63. The IRA limit is $7,500 plus a $1,100 catch-up. The bigger change is procedural: beginning in 2026, employees whose prior-year FICA wages from their employer exceeded $150,000 must make all 401(k) catch-up contributions as Roth, ending the pre-tax catch-up for most high earners.

What are the 2026 retirement contribution limits?

The IRS announced the 2026 cost-of-living adjustments in Notice 2025-67. The employee deferral limit for 401(k), 403(b), and most 457 plans rose to $24,500. The standard age-50 catch-up is $8,000, and SECURE 2.0's "super catch-up" for participants who are 60, 61, 62, or 63 at year end is $11,250, so a 62-year-old can defer up to $35,750 of salary.

The overall limit on combined employee and employer contributions to a defined contribution plan is $72,000 under Section 415(c), and the compensation that can be counted under a plan is capped at $360,000, both per IRS Notice 2025-67. IRA and Roth IRA contributions are limited to $7,500, with a $1,100 catch-up at age 50. Roth IRA eligibility phases out between $153,000 and $168,000 of modified AGI for single filers and $242,000 and $252,000 for joint filers.

How does the mandatory Roth catch-up rule work?

SECURE 2.0 requires that, starting in 2026, catch-up contributions for higher earners be made on a Roth basis. The test is specific: if your FICA wages from the employer sponsoring the plan exceeded $150,000 in the prior calendar year, your catch-up contributions this year must be Roth. The threshold is indexed and is applied per employer, so a new hire has no prior-year wages from that employer and is not subject to the rule in year one.

Three details matter for high earners. First, if your plan does not offer a Roth contribution option, affected participants cannot make catch-up contributions at all, which is pushing virtually all large plans to add Roth features. Second, the rule applies to wage earners; partners and self-employed individuals whose income is self-employment earnings rather than FICA wages are generally outside the $150,000 wage test, a nuance worth confirming with your CPA. Third, IRAs are unaffected: the IRA catch-up can still be made pre-tax if you are otherwise eligible to deduct it.

What does mandatory Roth catch-up actually cost you?

Losing the deduction is a real but bounded cost, and for many executives it is not a bad trade. Roth dollars grow tax free, are never subject to required minimum distributions in an IRA, and pass to heirs income tax free under the 10-year inherited account rule.

Hypothetical example: a 62-year-old executive earning $600,000 defers the full $24,500 pre-tax and adds the $11,250 super catch-up, which must now be Roth. At a 37 percent marginal rate, the lost deduction costs about $4,163 in current tax. If those Roth dollars compound for 20 years and would otherwise have been withdrawn at a 32 percent rate (by her or her heirs), the after-tax outcome favors the Roth treatment. The rule mostly hurts those who expect much lower future rates; it helps those whose heirs will inherit in high brackets.

State taxes complicate the picture. An executive working in a high-tax state who plans to retire in a state with no income tax gives up a state deduction today on Roth catch-up dollars she would never have paid state tax on in retirement anyway. There is no workaround within the plan, but the cost can sometimes be offset elsewhere, for example by directing more of the base deferral to pre-tax treatment or by adjusting deferred compensation elections. Building Roth balances earlier also adds a tax-diversified pool that makes retirement withdrawal sequencing more flexible later.

What else should high earners check in 2026?

• After-tax contributions and the mega backdoor Roth. The gap between your deferrals plus employer match and the $72,000 Section 415(c) ceiling can often be filled with after-tax contributions and converted to Roth inside the plan, if the plan allows it.
• Backdoor Roth IRA. With phase-outs at $242,000 to $252,000 for joint filers, most high earners cannot contribute to a Roth IRA directly. A nondeductible IRA contribution followed by conversion remains permitted, but the pro-rata rule taxes the conversion proportionally if you hold other pre-tax IRA balances.
• Spousal IRAs. A non-working spouse may contribute $7,500 (plus catch-up at 50) based on household earned income.
• Payroll coordination. If you changed employers mid-year, the $24,500 deferral limit is per person across plans, but the $72,000 limit is per employer plan; over-deferrals must be corrected by the following tax deadline.

How should executives sequence their 2026 elections?

Order of operations matters more than any single limit. First, capture the full employer match; it is the only guaranteed return in the system. Second, decide the pre-tax versus Roth split on the base $24,500 deferral in light of your current bracket and your expected bracket in retirement; the catch-up portion is decided for you if you are over the wage threshold. Third, evaluate after-tax contributions up to the $72,000 ceiling if your plan permits in-plan Roth conversions.

Only then should excess savings flow to nonqualified deferred compensation elections, backdoor Roth IRA contributions, and taxable investing. Deferred compensation deserves particular care: elections are generally irrevocable, distributions follow a fixed schedule, and the balance is an unsecured claim on your employer. Reviewing the whole stack each open enrollment, rather than letting prior elections roll forward, is one of the cheaper habits an executive can build.

It is also worth confirming how your plan administers the new catch-up rule. Some payroll systems will automatically recharacterize catch-up dollars as Roth once you cross the deferral limit; others require a separate affirmative election, and a missed election can mean a missed contribution year.

Key numbers for 2026

Frequently asked questions

Who is subject to the mandatory Roth catch-up rule in 2026?Anyone whose FICA wages from the employer sponsoring the plan exceeded $150,000 in the prior year. The test is per employer and based on wages, not total income.

What happens if my plan has no Roth option?Affected participants cannot make catch-up contributions until the plan adds one. Most large employers have added Roth features for this reason.

Does the rule apply to my IRA catch-up?No. The mandate applies to employer plan catch-up contributions only; IRA contributions follow the normal deduction and eligibility rules.

Can I still do a backdoor Roth IRA in 2026?Yes, the technique remains permitted. Watch the pro-rata rule if you hold pre-tax IRA balances, since it can make the conversion partially taxable.

How much can someone aged 60 to 63 put into a 401(k) in 2026?Up to $35,750 of personal deferrals ($24,500 plus the $11,250 enhanced catch-up), with the catch-up portion as Roth for those over the wage threshold.

Is Roth catch-up treatment bad for high earners?Not necessarily. You lose a current deduction, but Roth dollars grow and distribute tax free and are efficient assets to leave heirs under the 10-year inherited account rule.