If you're 50 or older and earn more than $150,000 annually, a significant change to your retirement contributions takes effect on January 1, 2026. Under the SECURE 2.0 Act, high earners must now make all catch-up contributions to their workplace retirement plans on a Roth (after-tax) basis.
This mandatory shift affects millions of Americans approaching retirement. Here's what you need to understand about the new rule and how to prepare.
Who Is Affected by the New Rule?
The mandatory Roth catch-up requirement applies to participants in 401(k), 403(b), and governmental 457(b) plans who meet both criteria:
- Age 50 or older by December 31 of the contribution year
- Prior-year FICA wages exceeding $150,000 from the employer sponsoring the plan
To determine if you're affected, check box 3 (Social Security wages) on your W-2 from the previous year. If that amount exceeds $150,000, any catch-up contributions you make in 2026 must go into a Roth account.
Those earning $150,000 or less can continue making catch-up contributions on either a pre-tax or Roth basis, depending on their preference.
How Much Can You Contribute in 2026?
The IRS has announced increased contribution limits for 2026:
- Standard 401(k) limit: $24,500 (up from $23,500 in 2025)
- Catch-up contribution (age 50+): $8,000 (up from $7,500 in 2025)
- Super catch-up (ages 60-63): $11,250 (if your plan adopts this provision)
For high earners, the first $24,500 can still be contributed on a pre-tax or Roth basis according to your preference. Only the catch-up portion must be designated as Roth.
What If Your Plan Doesn't Offer Roth?
This is where some workers may face complications. Plans that don't currently offer Roth contributions will be unable to accept catch-up contributions from high earners starting in 2026.
According to Franklin Templeton, plan sponsors have three options: add a Roth feature to their plans, eliminate catch-up contributions entirely, or limit catch-up eligibility to non-highly compensated employees.
If your employer doesn't offer Roth contributions, speak with your HR department now. Plan amendments reflecting these changes must generally be adopted by December 31, 2026.
The Tax Trade-Off
While required Roth contributions mean you'll pay taxes upfront rather than deferring them, there are potential benefits:
- Tax-free withdrawals: Qualified Roth distributions in retirement are completely tax-free
- No RMDs during your lifetime: Roth 401(k) accounts are no longer subject to required minimum distributions, thanks to SECURE 2.0
- Tax diversification: Having both pre-tax and Roth savings gives you flexibility to manage taxes in retirement
For workers who expect to be in a similar or higher tax bracket during retirement, Roth contributions may actually be advantageous.
Action Steps Before 2026
- Check your W-2: Review box 3 to determine if you're classified as a high earner
- Verify Roth availability: Confirm your plan offers Roth contributions
- Adjust your strategy: Consider whether to increase Roth contributions now to get accustomed to the after-tax impact
- Consult a tax advisor: Individual circumstances vary, and a professional can help optimize your approach
The Bottom Line
The SECURE 2.0 Roth catch-up rule represents a significant shift for high-earning savers nearing retirement. While the change removes some flexibility, it also encourages tax diversification that may benefit many workers in the long run. The key is understanding how the rule applies to your situation and making adjustments before January 1, 2026.
Sources: IRS, Charles Schwab, Vanguard, Franklin Templeton, Ascensus