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Takeaways
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Starting in 2026, employees aged 50 and older who earn over $145,000 must make 401(k) catch-up contributions on an after-tax (Roth) basis, losing the immediate pretax deduction.
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Affected high earners should check if their employer offers a Roth 401(k) option. They should review their overall retirement and tax strategy to maximize savings despite the rule change.
Starting in 2026, older high-earning employees will lose a tax-savings perk that helped them save extra money for retirement. In September 2025, the Internal Revenue Service (IRS) and the U.S. Treasury issued final rules on a 2022 law. The law states that employees aged 50 and older who earn over $145,000 and contribute catch-up funds must make those contributions after taxes instead of before.
This change requires affected workers to pay taxes on their catch-up contributions upfront, during high-earning years, rather than in retirement. Instead of pretax catch-up contributions, they must place extra funds in a Roth account after taxes. The funds can later be withdrawn tax-free.
2026 Contribution Limits at a Glance
| Contribution Type | Age Group | 2025 Limit | 2026 Limit |
|---|---|---|---|
| Basic Elective Deferral | Under 50 | $23,500 | $24,500 |
| Standard Catch-Up | 50–59 & 64+ | $7,500 | $8,000 |
| “Super” Catch-Up | 60–63 | $11,250 | $11,250 |
| Max Total Potential | 60–63 | $34,750 | $35,750 |
How 401(k) Catch-Up Contributions Work
Catch-up contributions help workers who started saving late or haven’t saved enough. Employees aged 50 or older can contribute an extra $7,500 in addition to the basic $23,500 limit in 2025. Workers aged 60–63 can use a “super catch-up” option of $11,250.
These limits are usually adjusted yearly for inflation. The estimated basic contribution limit for 2026 is $24,500. The estimated catch-up limit is $8,000. The 2025 super catch-up limit of $11,250 is expected to stay the same for 2026.
What’s Changing
The SECURE 2.0 Act, signed by President Joe Biden in December 2022, builds on prior retirement laws. The new regulations affect the “catch-up” contributions rule.
If you are at least 50 years old and earn above the threshold, here is what changes:
- Previously, employees 50 or older could make catch-up contributions as additional elective deferrals above the standard 401(k) limit.
- Starting in 2026, employees 50 or older must make these contributions after-tax to a Roth account if their prior-year wages exceed $145,000.
- Employers without a Roth option may not allow catch-up contributions for high earners.
In simple terms: High earners aged 50+ will no longer get an immediate tax deduction for extra catch-up contributions. Instead, they pay tax now, and withdrawals from the Roth portion will be tax-free in retirement.
Why Does This Matter and Who Is Affected?
Previously, pretax contributions reduced taxable income now and grew tax-deferred until retirement. This rule flips that for certain savers.
The change affects employees aged 50+, earning at least $145,000 the previous year, and making 401(k) catch-up contributions. These contributions must now go into a Roth account, with taxes paid upfront. High earners whose employers lack a Roth option may not be able to make catch-up contributions.
What To Do: Investment and Retirement Savings Tips
Even with this rule, you should continue eligible catch-up contributions. But you should review your strategy. Here are some tips:
Check the Availability of a Roth Option
If you are over 50 and plan catch-up contributions, confirm whether your employer’s plan offers a Roth 401(k) or Roth catch-up option. If your income will exceed the threshold, ensure the Roth option exists, or you may lose the ability to contribute.
Estimate the Tax Trade-Off
High earners must place catch-up funds in a Roth, paying taxes now instead of later. Ask yourself if your current tax rate is higher or lower than expected in retirement. If it’s high now, paying tax upfront may hurt. But if your rate will stay the same or increase, Roth contributions may make sense.
Consider Diversification: Pretax vs. Roth
If you are below the threshold and can choose between pretax and Roth, consider splitting contributions. This hedges against future tax changes. A mix offers flexibility in retirement.
Be Aware of the Effects of Paying Taxes Now
Paying tax now may increase your adjusted gross income. This can affect eligibility for deductions, credits, or Medicare/Medicaid subsidies. Ensure extra Roth contributions do not push you into unwanted tax territory.
Maximize Contributions While You Can
For savers over 50, catch-up limits are meaningful. The standard catch-up limit in 2025 is $7,500 on top of the base limit. For ages 60–63, the super catch-up limit is $11,250. Contribute as much as allowed if you have capacity.
Check Your Expected Retirement Tax Bracket and Withdrawal Strategy
Roth catch-up contributions now allow qualified withdrawals later to be tax-free. This is beneficial if you expect higher tax rates or large retirement income. Pretax contributions give a deduction now but risk future taxes.
Revisit Your Whole Retirement Savings Picture
This rule is one part of the retirement-savings landscape. Review your goals, timeline, tax planning, and other accounts like IRAs and brokerage accounts.
Consider Consulting a Tax Professional or Financial Advisor
The interplay of high incomes, tax brackets, Roth vs. traditional contributions, and plan design is complex. Tailored advice can be valuable.
Bottom Line
If you are 50+ and a high earner, the tax deduction for extra catch-up contributions may disappear. You must make contributions to an after-tax Roth account. You should still contribute. Using catch-up contributions accelerates retirement savings. But you need to rethink how you contribute because the tax trade-off has changed.
Check your employer’s Roth option, estimate taxes now versus retirement, and balance contributions between pretax and Roth. Awareness and proactive planning help you adapt and possibly benefit.
