Tax break changes are coming for 401(k) savers, especially for higher earners. Thanks to updates under the SECURE 2.0 Act, some long-standing retirement tax perks are about to shift. Starting in 2026, employees age 50 and over who earn $145,000 or more will face a new rule that affects how they make catch-up contributions to their 401(k)s.
Let’s break down what’s changing, what it means for your retirement strategy, and how Slavic401k can help you stay ahead.
What Tax Break is Changing
In 2025, workers age 50 and older can make additional “catch-up” contributions to their 401(k) on top of the annual contribution limit. They can choose whether those extra dollars go into:
A Roth 401(k) (after-tax, growing tax-free for the future).
Starting in 2026, that flexibility will disappear for higher earners age 50 and over.
If you earned $145,000 or more in the previous year from one employer, your catch-up contributions must go into a Roth 401(k). That means you will pay taxes now on the contributions, but you will enjoy tax-free growth and withdrawals later in retirement.
Why It’s Happening
This rule is part of the SECURE 2.0 Act, a sweeping retirement reform designed to expand access, simplify savings, and boost tax revenue in the short term.
Lawmakers see Roth contributions as a way to generate revenue upfront while giving workers long-term benefits. The goal is to encourage more tax-diversified retirement savings, helping future retirees better manage their income and taxes once they stop working.
How This Could Impact You
For higher earners, this shift can have both pros and cons.
The Upside:
You will have more tax-free income in retirement, which can be a valuable hedge if future tax rates rise. Roth 401(k)s do not require required minimum distributions (RMDs) once rolled into a Roth IRA. You are building flexibility into your future withdrawal strategy.
The Downside:
Your take-home pay may drop slightly because contributions are no longer pre-tax. You will need to plan for the higher short-term tax bill that comes with Roth contributions.
What You Can Do Now
If you are 50 or older and expect to earn above the $145,000 threshold, there is still time to plan.
1. Max Out Pre-Tax Contributions Before 2026 Take advantage of the current rules while you can. Every dollar you contribute to your traditional 401(k) now helps reduce taxable income.
2. Evaluate Roth vs. Traditional Mix Use Slavic401k’s Roth 401(k) vs. Traditional 401(k) Calculator to model different tax scenarios and future outcomes. Sometimes a balanced mix of Roth and pre-tax savings creates the best flexibility.
3. Adjust Your Tax Withholding Early If you will be required to make Roth catch-up contributions in 2026, plan ahead for the tax impact now.
4. Stay Updated The IRS could issue additional clarifications or income threshold adjustments before 2026. Staying informed can help you make smart contribution choices each year. Visit the IRS newsroom and the “Topics in the news” page for the latest announcements.
Slavic401k Explains the Tax Break
Navigating rule changes like this can be confusing, but that is where Slavic401k can help. We specialize in helping employers and participants stay compliant, informed, and confident through every legislative shift.
Watch the webinar “New Roth Catch-Up Contribution Rules – What You Need to Know” to learn:
Who is subject to the new Roth catch-up contribution requirement How to determine if you’re affected based on your wages What “Roth catch-up” means for your retirement savings What actions you may need to take
Change is coming, but it does not have to derail your retirement plan. The new Roth 401(k) rule for high earners is a reminder that tax diversification is power, and with the right tools and guidance, you can turn it into an advantage. Slavic401k is here to help you adapt, plan ahead, and make every contribution count today and tomorrow.
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