Retirement Retirement Planning

A Quiet 401(k) Change Is Catching Retirees Off Guard in 2026

Every retiree should know about this.

By Catherine Collins

Edited by Laura Hohenstein

Updated March 5, 2026

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Most headlines about 401(k) retirement plans focus on the big jumps in contribution limits or important tax changes. But there's a quieter rule no one is talking about that will significantly impact retirees. It affects RMDs or required minimum distributions.

Retirees typically carefully plan withdrawals and coordinate their income with Social Security checks and any other income streams they may have. Delays in the RMD age mean that retirees can give their nest eggs additional time to compound and grow. That's why it's important for people who retired to be aware of all laws and policies that may impact their 401(k)s.

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How often 401(k) legislation changes

It's rare for 401(k) laws to change. When they do, it typically takes many years for all required updates to take place. There are millions of active 401(k) plans in America. After all, 43% of Americans have one. Additionally, there are many companies that serve as 401(k) plan managers. So, changes, such as required automatic enrollments, take time to implement. The most recent 401(k) changes came as a result of the Secure 2.0 Act, which affected several aspects of 401(k) plan management and tax policies.

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The quiet 401(k) change: RMDs

RMDs, which stands for required minimum distributions, are exactly what they sound like. These are withdrawals retirees are required to make by law at a certain age. Other retirement accounts, like Roth IRAs, don't have these requirements. In fact, you can allow the funds in your Roth IRA to grow throughout your life without ever taking a distribution. However, 401(k)s have specific laws that govern when people have to take money out or else there is a penalty.

The RMD age increase

The most critical update for retirees specifically is an increase in the RMD age. Now, the RMD age is 73, but starting in 2033, it will be 75. This is good news for retirees who have other forms of income, like IRA accounts. However, changes and delays in RMD age may require retirees to adjust their retirement plans and consult with an accountant to ensure they are making withdrawals that fit into a broader tax-efficient strategy.

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How retirees can stay up to date

Although retirement is supposed to be a time where people can finally enjoy leisure activities, retirees still have a responsibility to stay up to date with 401(k) changes. Because 401(k)s don't offer guaranteed income like a pension or Social Security, retirees should consider regularly checking their 401(k) balances, especially in times of economic uncertainty. Regularly reading the news or working with a financial planner can also help retirees stay up to date on policy changes or tax law updates that may impact their cash flow in retirement.

Other important 401(k) changes

If you're someone who is very near retirement but hasn't stopped working yet, there are some other important changes you need to know about in addition to the RMD changes. These changes will particularly impact high-earners making over $150,000 per year.

As of 2026, those between the ages of 60 and 63 must make catch-up contributions to a Roth account, not a traditional 401(k) account. These contributions won't help workers earn present-day tax benefits, but they will allow qualifying withdrawals to be tax-free in retirement.

Potential future policy changes for 401(k)s

Currently, government leaders are discussing future changes to 401(k) plans, namely, which assets will be allowed in accounts in the future. President Trump introduced the idea of allowing alternative assets into 401(k)s, such as cryptocurrency and private equity. However, some lawmakers have expressed concerns over introducing products into 401(k)s that may be volatile. No decisions have been made yet, but ultimately, lawmakers are trying to ensure Americans have many different options to choose from in their 401(k)s while also balancing that with consumer protections.

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Why small changes can have big impact

It might not seem like a big change to increase the 401(k) RMD age, but depending on market conditions, an extra year of growth could greatly impact your nest egg. Delaying retirement withdrawals, even by a little bit, can help retirees feel more secure on a fixed income if it helps their accounts grow. Similarly, other changes like maximum contribution increases or tax changes can have an effect on the amount of taxes people pay both before and during retirement.

Bottom line

Having a stress-free retirement requires more than consistent investing. People also need to understand 401(k) rules so they can make sure to follow them and avoid unnecessary penalties. It also helps to know when there are positive updates, like increased contribution limits and extensions on RMD age. That way, people can save and invest as much as possible in their retirement accounts.

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