High Earners Lose 401(k) Catch-Up Tax Perk in 2026
Starting 2026, workers earning over $145,000 must use after-tax Roth dollars for catch-up contributions instead of pre-tax savings.
High Earners Are About to Lose This 401(k) Catch-Up Perk
Starting in 2026, a significant change to retirement savings rules will affect millions of high-earning workers across the United States. Workers earning more than $145,000 will face new restrictions on how they can make catch-up contributions to their 401(k) plans. Rather than using pre-tax dollars—the method available to all savers regardless of income level today—these higher earners will be required to make catch-up contributions using after-tax dollars through a Roth option. This represents a major departure from current retirement savings practices and is part of the sweeping SECURE 2.0 Act of 2022, which has been systematically overhauling retirement saving rules over the past several years.
The shift from pre-tax to after-tax contributions has significant implications for affected workers. High earners will lose the immediate tax deduction they currently enjoy on catch-up contributions, meaning they’ll pay taxes on these additional savings during their peak earning years rather than deferring the tax burden to retirement. For many workers accustomed to maximizing pre-tax retirement contributions, this change represents an unwelcome adjustment to their retirement planning strategies.
Understanding the New Income Threshold
The new rule creates a specific income threshold that determines who is affected by this change. Employees who are 50 years or older and whose FICA wages exceeded $145,000 in the prior calendar year will be subject to the mandatory Roth catch-up contribution requirement. This $145,000 threshold is not static—it’s indexed to inflation, meaning it will likely increase in future years as wage levels rise.
It’s important to note that this income limit applies only to employees and uses FICA wages as the measurement. Self-employed individuals and partners are currently excluded from this provision. The threshold represents a meaningful income level, but not an exclusively elite income bracket, which means a substantial portion of the middle-to-upper-middle-class workforce may be affected by this change in the coming years.
How Catch-Up Contributions Currently Work
Before diving deeper into the 2026 changes, it’s helpful to understand how catch-up contributions work today. The IRS allows workers aged 50 and older to make additional contributions beyond the standard annual limit. For 2025, the standard 401(k) contribution limit is $23,500, while workers 50 and older can contribute an additional $7,500 in catch-up contributions, bringing their total to $31,000. These catch-up contributions have historically been made with pre-tax dollars, reducing the worker’s current taxable income while allowing the funds to grow tax-deferred until retirement.
Catch-up contributions exist to help workers who may have started retirement savings later in their careers or who want to accelerate their savings during their highest earning years. They provide an important opportunity for people to bolster their retirement nest eggs during the final years before retirement. Under current rules, this benefit has been equally available to all workers regardless of income level, making it a valuable tool for middle-income savers and high-income earners alike.
The SECURE 2.0 Act Changes: What’s New in 2026
Under the new regulations implemented through the SECURE 2.0 Act, workers earning more than $145,000 can still contribute up to the general limit in pre-tax dollars. However, any catch-up contributions beyond this general limit must now be made as Roth contributions, meaning they’re made with after-tax dollars. This two-tier system creates a distinction between regular contributions and catch-up contributions for affected high earners.
The change was originally scheduled to take effect in 2024, but the IRS delayed the implementation due in part to requests from employers and plan sponsors who argued they needed additional time to prepare their systems and processes for this significant change. The delay provided a much-needed breathing room for plan administrators to update their technology infrastructure and administrative procedures.
Who Is Actually Affected by These Changes
While the new rule appears sweeping in scope, the actual percentage of workers affected is relatively modest. Within plans managed by Fidelity, for example, just 8.6% of all savers hit the maximum contribution limit required before they can even begin making catch-up contributions. This statistic suggests that even among the population of retirement plan participants, a smaller subset will be impacted by the income-based Roth catch-up requirement.
However, for those workers who are affected, the financial implications can be substantial. High-earning professionals in fields such as medicine, law, finance, technology, and executive management are likely to represent a disproportionate share of those impacted by the change. These are often individuals who have maximized their retirement savings opportunities throughout their careers and are now facing a new constraint on their catch-up strategy.
Tax Implications for High Earners
The shift from pre-tax to after-tax contributions carries significant tax consequences that high earners need to understand. When workers make pre-tax catch-up contributions today, they reduce their current taxable income by the contribution amount. This creates an immediate tax benefit, allowing workers to shift some of their tax burden to future years when they’re in retirement and presumably in a lower tax bracket.
With Roth catch-up contributions, this immediate tax deduction disappears. Instead, affected workers will pay taxes on the full amount of their catch-up contributions during their highest earning years. They’ll then receive tax-free growth on these contributions and can withdraw them tax-free in retirement. While this may benefit workers who expect to be in higher tax brackets in retirement than they are during their working years, most high earners anticipate being in lower tax brackets once they stop working.
This change essentially means high earners will have to pay more in taxes during their peak earning years instead of being able to shift the tax responsibility to after they’ve retired. For some individuals, this could result in thousands of dollars in additional tax liability spread across their remaining working years.
Employer Requirements and Plan Design Changes
The new regulations impose significant compliance obligations on employers and plan administrators. To remain compliant with SECURE 2.0, employers sponsoring 401(k), 403(b), and 457(b) plans must make several important changes to their retirement plans.
Adding Roth Contribution Options: Employers who currently do not offer a Roth option in their retirement plans must add this feature to allow higher-income employees to continue making catch-up contributions. Without a Roth option, high-earning employees earning more than $145,000 in the prior year will be unable to make catch-up contributions at all. This creates a challenging situation for both employers and employees.
System Updates: Employers must update their administrative and payroll systems to identify affected employees and ensure contributions are correctly processed as after-tax Roth contributions. This requires sophisticated technology that can track employee compensation across calendar years and automatically apply the appropriate contribution treatment based on income thresholds.
Plan Document Amendments: While the new Roth catch-up rule takes effect January 1, 2026, the IRS allows employers to make a reasonable, good-faith effort to comply during the first year before final regulations take full effect in 2027. Employers are required to formally amend their plan documents by December 31, 2026, but should ensure operational readiness by January 1, 2026.
Multi-Entity Aggregation: For businesses operating as affiliated, multi-entity companies, employers must aggregate employees’ compensation across related entities to determine if they’ve reached the $145,000 threshold. This prevents high-earning employees from circumventing the rule by working for multiple related entities.
Plans That Don’t Qualify for the New Rules
It’s important to note that not all retirement plans are subject to the new catch-up contribution requirements. The rules apply specifically to 401(k), 403(b), and 457(b) plans. Other retirement plan types, including traditional and SIMPLE IRAs, Salary Reduction Simplified Employee Pension (SARSEP) plans, Starter 401(k)s, and Safe Harbor 403(b) plans, do not fall under these new requirements.
Special rules apply to certain plan types. For instance, in 403(b) plans, the special 15-year service catch-up contributions remain pre-tax, with only age-50 catch-ups subject to the Roth catch-up rule. Similarly, for governmental 457(b) plans, the special catch-up allowed in the three years before normal retirement remains pre-tax, with only age-50 catch-ups beyond this amount subject to the Roth catch-up requirement.
What High Earners Should Do Now
For workers who believe they may be affected by the new rules, the time to act is now, before January 1, 2026. There are several strategic steps that high earners can take to prepare for this significant change.
Maximize Pre-Tax Contributions in 2025: Before the new rule takes effect, consider maximizing your pre-tax catch-up contributions in 2025 while they remain available as pre-tax deductions. If you’re 50 or older and haven’t maximized your catch-up contributions, 2025 represents your final opportunity to do so under the current pre-tax rules.
Confirm Roth Availability: Verify whether your employer offers a Roth 401(k) option so you can plan your retirement contributions accordingly. If your employer doesn’t currently offer this option, you may want to inquire about plans to add it before 2026.
Explore Roth IRA Options: If your employer doesn’t offer a Roth option in their 401(k) plan, there’s a slim window for individuals earning up to $165,000 modified adjusted gross income ($200,000 for married filing jointly) to contribute to a Roth IRA on their own. This may provide an alternative avenue for making after-tax contributions that grow tax-free.
Review Your Overall Strategy: Consult with a tax professional or financial advisor to understand how the change will affect your personal tax situation and overall retirement strategy. Your specific circumstances will determine whether Roth contributions are ultimately advantageous for you.
Expected Changes to Contribution Limits for 2026
In addition to the new Roth catch-up rules, the IRS will be adjusting contribution limits for 2026 to account for inflation. The IRS has announced that the 401(k) limit will increase to $24,500 for 2026, up from $23,500 in 2025. The catch-up contribution limit for workers aged 50 and over is expected to increase to $8,000, up from $7,500 in 2025.
Additionally, under provisions of SECURE 2.0, a higher catch-up contribution limit applies for employees aged 60, 61, 62, and 63. For 2026, this super catch-up contribution limit remains $11,250. These higher limits are designed to give workers in their early 60s an opportunity to accelerate their retirement savings as they approach retirement age.
Flexibility and Compliance Timelines
Recognizing that both employers and employees need time to adapt to these changes, the IRS has built flexibility into the compliance timeline. While plans must begin implementing the change by January 1, 2026, the IRS language indicates that plans have until January 1, 2027, to be fully compliant. This phased approach gives employers some flexibility to work out implementation challenges during 2026 before the final regulations take full effect in 2027.
For employers, this means you should begin preparation now, even though you technically have until the end of the 2026 plan year to formally amend your plan documents. Delaying implementation until late 2026 could result in compliance issues and employee confusion at the beginning of the year.
Frequently Asked Questions
Q: What happens if my employer doesn’t offer a Roth 401(k) option?
A: If your employer doesn’t offer a Roth option, you won’t be able to make catch-up contributions to your employer-sponsored plan. However, you may still be able to contribute to a Roth IRA if your income falls within the eligibility limits, or you could advocate for your employer to add a Roth option before 2026.
Q: Will the $145,000 income threshold change in future years?
A: Yes, the $145,000 threshold is indexed for inflation, so it’s likely to rise in future years as wage levels increase. The IRS will announce any changes to this threshold annually.
Q: How is income determined for purposes of the $145,000 threshold?
A: The determination is based on FICA wages from the prior calendar year. This includes wages subject to Social Security and Medicare taxes. If you work for multiple related entities, your compensation across all entities is aggregated to determine if you exceed the threshold.
Q: Can I convert my after-tax Roth catch-up contributions later?
A: Once contributions are made as Roth contributions, they cannot be converted to pre-tax contributions. The funds will grow tax-free and can be withdrawn tax-free in retirement, along with the accumulated earnings.
Q: Should I maximize my 2025 catch-up contributions?
A: For most high earners, maximizing pre-tax catch-up contributions in 2025 is advisable since this may be your last opportunity to do so under the current favorable pre-tax rules. Consult with a tax advisor to determine if this strategy makes sense for your specific situation.
Q: Will self-employed individuals or business owners be affected by these rules?
A: The current regulations exclude self-employed individuals and partners from the $145,000 income threshold requirement. However, rules may change in future years, so stay informed about any regulatory updates that could affect your situation.
References
- Changes to Retirement Plan Catch-Up Contributions in 2026 — First Citizens Bank. 2025. https://www.firstcitizens.com/wealth/insights/intel/catch-up-contributions-changes-2026
- High Earners Are About to Lose This 401(k) Catch-Up Perk — Money Magazine. 2025. https://money.com/retirement-catch-up-rule-change-2026-401k-tax/
- 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 — Internal Revenue Service. 2025. https://www.irs.gov/newsroom/401k-limit-increases-to-24500-for-2026-ira-limit-increases-to-7500
- 6 Changes to IRAs, 401(k)s and HSAs in 2026 — Kiplinger. 2025. https://www.kiplinger.com/retirement/retirement-planning/changes-to-iras-401ks-hsas-in-2026
- An Employer’s Practical Guide to 401(k) Plan Catch-Up Contribution Changes for 2026 — Baker Donelson. 2025. https://www.bakerdonelson.com/an-employers-practical-guide-to-401k-plan-catch-up-contribution-changes-for-2026
- 401(k) Changes Coming in 2026: What High Earners Need to Know About Roth Catch-Up Contributions — Savant Wealth Management. 2025. https://savantwealth.com/savant-views-news/article/401k-changes-coming-in-2026-what-high-earners-need-to-know-about-roth-catch-up-contributions/
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