If you assume your 401(k) works the same way it did a few years ago, you may be missing critical updates. Quiet changes are reshaping how much you can contribute, how it’s taxed and even whether you’re enrolled at all.
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Retirement experts say many Americans haven’t caught up. Here’s what you need to know:
The “Super Catch-Up” Contribution Could Supercharge Late-Career Savings
Americans ages 60 to 63 now have access to significantly higher catch-up contribution limits. Brian Finkelstein, the chairman of Broad Financial, said this has “established a promising pathway for those near retirement age to save exponentially.”
Account holders between the ages of 60 and 63 can contribute an additional $11,250 to their 401(k), for a total of $83,250 for annual contributions. What’s more, those who are younger than that, but 50+ years old can also make an extra $8,000 contribution, equating to a total of $80,000.
This rule especially benefits people in their peak earning years and self-employed workers nearing retirement. For workers who underfunded retirement in their 40s or 50s, this window may offer a rare chance to close the gap quickly.
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High Earners Face a New Roth Catch-Up Mandate in 2026
One of the most misunderstood SECURE 2.0 changes affect higher earners. Greg Reese, CEO and estate planning and investment advisor at AmeriEstate, shared that starting this year, employees earning above $145,000 in wages must make catch-up contributions on a Roth basis.
Reese explained, “The overall catch-up limit still applies, but the treatment of that money has changed.” Instead of deferring taxes, affected workers must pay them upfront.
Finkelstein cautioned that this may have tax consequences such as changing tax brackets, potential loss of eligibility for certain deductibles or credits and could also impact Medicare IRMAA limits.
For workers who are in their peak earning years and who have a reasonable expectation that tax rates during retirement will be higher than expected in the foreseeable future, it could be a good thing.
Traditional vs. Roth 401(k): Why the Mix Matters More Now
With mandatory Roth catch-ups for certain earners, tax strategy becomes more important. Finkelstein explained, “Traditional 401(k)s allow for tax-deferred accumulation within your account, whereas Roth 401(k) requires you to pay your taxes upon contribution. Roth accounts create tax-free withdrawals amid retirement.”
He added that many plans allow Roth employee contributions in addition to traditional employer profit-sharing contributions.
“Mixing these two funnels of funds can aid in managing tax exposure,” he said.
For workers expecting lower income in retirement, traditional contributions may still be fine. For others concerned about rising tax rates, Roth diversification is one possible way to minimize taxes.
Solo 401(k) Owners Have Unique Opportunities — And Pitfalls
Self-employed workers may have even more flexibility, Finkelstein said, as they can contribute as both an employer and an employee. This can help maximize your retirement savings. Not to mention, the compounding that would take place overtime has the potential to be vast.”
However, he warned that “account holders misinterpret how compensation is viewed in a Solo 401(k). This calculation will differ, contingent on whether the owner’s income is earned through an S-Corporation or as a Sole Proprietor.”
Coordination also matters if contributing to multiple employer plans, since total contributions cannot exceed annual limits across accounts.
Take Advantage Now
For workers in their early 60s, the super catch-up window may offer a powerful final push. For higher earners, Roth mandates demand tax planning. And for new employees, verifying enrollment could mean the difference between compounding and catching up.
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This article originally appeared on GOBankingRates.com: 401(k) Rules To Take Advantage of Right Now
