Required Minimum Distribution (RMD) Rules for 401(k)s

When you turn 73, the IRS requires you to start withdrawing money from your 401(k) each year. These withdrawals are called required minimum distributions (or RMDs), and those who don’t take them face potential financial penalties.

The 401(k) RMD rules also apply to other tax-deferred accounts, including traditional IRAs, SIMPLE IRAs, and SEP IRAs. Roth accounts don’t have RMDs for the account holder.

What’s important to know, as it relates to RMDs from 401(k)s, is that there can be tax consequences if you don’t take them when they’re required — and there are also tax implications from the withdrawals themselves.

What Is an RMD?

While many 401(k) participants know about the early withdrawal penalties for 401(k) accounts, fewer people know about the requirement to make minimum withdrawals once you reach a certain age. Again, these are called required minimum distributions (or RMDs), and they apply to most tax-deferred retirement accounts.

The “required distribution” amount is based on specific IRS calculations (more on that below). If you don’t take the required distribution amount each year you could face another requirement: to pay a penalty of 25% of the withdrawal you didn’t take — or 10% if the mistake is corrected within two years. However, if you withdraw more than the required minimum each year, no penalty applies.

All RMDs from tax-deferred accounts, like 401(k) plans, are taxed as ordinary income. This is one reason why understanding the amount — and the timing — of RMDs can make a big difference to your retirement income.

What Age Do You Have to Start RMDs?

Prior to 2019, the age at which 401(k) participants had to start taking RMDs was 70½. Under the SECURE Act the age was raised to 72. But the rules have changed again with SECURE 2.0, and the required age to start RMDs from a 401(k) is now 73 — for those who turned 72 after December 31, 2022.

In 2033, the age to start taking RMDs will be increased again, to age 75.

How Your First Required Distribution Is Different

There is a slight variation in the rule for your first RMD: You actually have until April 1 of the year after you turn 73 to take that first withdrawal. For example, say you turned 73 in 2025. You would have until April 1, 2026 to take your first RMD.

But you would also have to take the normal RMD for 2026 by December 31 of the same year, too — thus, potentially taking two withdrawals in one year.

Since you must pay ordinary income tax on the money you withdraw from your 401(k), just like other tax-deferred accounts, you may want to plan for the impact of two taxable withdrawals within one calendar year if you go that route.

Why Do Required Minimum Distributions Exist?

Remember: All the money people set aside in defined contribution plans like traditional IRAs, SEP IRAs, SIMPLE IRAs, 401(k) plans, 403(b) plans, 457(b) plans, profit-sharing plans, and so on, is deposited pre-tax. That’s why these accounts are typically called tax-deferred: the tax you owe is deferred until you retire.

So, requiring people to take a minimum withdrawal amount each year is a way to ensure that they eventually pay tax on the money they saved.

How Are RMDs Calculated?

It can get a bit tricky, but 401(k) RMDs are calculated by dividing the account balance in your 401(k) by what is called a “life expectancy factor,” which is basically a type of actuarial table created by the IRS. You can find these tables in Publication 590-B from the IRS.

If you’re married, there are two different tables to be aware of. If you are the original account owner, and if your spouse is up to 10 years younger than you, or is not your sole beneficiary, you’d consult the IRS Uniform Lifetime Table.

If your spouse is the primary beneficiary, and is more than 10 years younger, you’d consult the IRS Joint and Last Survivor table. Here, the RMD might be lower.

As a simple example, let’s say a 75-year-old has a life expectancy factor of 24.6, according to the IRS. If that person has a portfolio valued at $500,000, they’d have to take an RMD of $20,325 ($500,000/24.6) from their account that year.

RMDs can be withdrawn in one sum or numerous smaller payments over the course of a year, as long as they add up to the total amount of your RMD requirement for that calendar year.

RMD Rules for 401(k) Plans

Just to recap, here are the basic RMD rules for 401(k) plans. Because these rules are complicated and exceptions may apply, it may be wise to consult with a professional.

Exceptions to Required Distributions

There aren’t many exceptions to 401(k) RMDs. In fact, there’s really only one.

If you’re working for the company sponsoring your 401(k) when you turn 73 years old (as of 2023), and you don’t own more than 5% of the firm, you may be able to skirt RMDs until you retire. That is, so long as you keep working for the company, and as long as your plan allows you to do so — not all will.

This only applies to 401(k)s. So if you’re weighing your options as it relates to a 401(a) vs 401(k), for instance, you’ll find they’re limited.

At What Age Do RMDs Start?

As mentioned, you must take your first RMD the same year you turn age 73, with the new rules being applied for 2023 under the SECURE ACT 2.0. Again: for your first RMD only, you are allowed to delay the withdrawal until April 1 of the year after you turn 73.

This has pros and cons, however, because the second RMD would be due on December 31 of that year as well. For tax purposes, you might want to take your first RMD the same year you turn 73, to avoid the potentially higher tax bill from taking two withdrawals in the same calendar year.

What Are RMD Deadlines?

Aside from the April 1 deadline available only for your first RMD, the regular deadline for your annual RMD is December 31 of each year. That means that by that date, you must withdraw the required amount, either in a lump sum or in smaller increments over the course of the year.

Calculating the Correct Amount of Your RMD

As detailed above, the amount of your RMD is determined by tables created by the IRS based on your life expectancy, the age of your spouse, marital status, and your spouse’s age.

You’re not limited to the amount of your RMD, by the way. You can withdraw more than the RMD amount at any point. These rules are simply to insure minimum withdrawals are met. Also keep in mind that if you withdraw more than the RMD one year, it does not change the RMD requirement for the next year.

Penalties

The basic penalty, if you miss or forget to take your required minimum distribution from your 401(k), is 25% of the amount you were supposed to withdraw — or 10% if the amount is corrected within two years. (The penalty used to be 50%, but in 2023, under SECURE 2.0, it was reduced.)

For example, let’s say you were supposed to withdraw a total of $10,500 in a certain year, but you didn’t; in that case you could potentially get hit with a 25% penalty, or $2,625. But let’s say you’ve taken withdrawals all year, but you miscalculated and only withdrew $7,300 total.

Then you would owe a 25% penalty on the difference between the amount you withdrew and the actual RMD amount: $10,500 – $7,300 = $3,200 x .25 = $800. However, if you corrected the mistake within two years, you would only owe a 10% penalty, which is $325.

RMDs When You Have Multiple Accounts

If you have multiple accounts — e.g. a 401(k) and two IRAs — you would have to calculate the RMD for each of the accounts to arrive at the total amount you’re required to withdraw that year. But you would not have to take that amount out of each account. You can decide which account is more advantageous and take your entire RMD from that account, or divide it among your accounts by taking smaller withdrawals over the course of the year.

What Other Accounts Have RMDs?

In addition to 401(k)s, there are numerous other types of accounts that require RMDs as well. RMD rules apply to all employer-sponsored retirement accounts, according to the IRS — a list that includes IRAs (SEP IRAs, SIMPLE IRAs, and others), but not Roth IRAs while the owner is alive.

So, if you have an employer-sponsored retirement account, know that the IRA withdrawal rules are more or less the same as the rules for a 401(k) RMD.

Allocating Your RMDs

Individuals can also decide how they want their RMD allocated. For example, some people take a proportional approach to RMD distribution. This means a person with 30% of assets in short-term bonds might choose to have 30% of their RMD come from those investments.

Deciding how to allocate an RMD gives an investor some flexibility over their finances. For example, it might be possible to manage the potential tax you’d owe by mapping out your RMDs — or other considerations.

Do Roth 401(k)s Have RMDs?

No, Roth 401(k) plans no longer have required minimum distributions, similar to Roth IRAs. But if you bequeath a Roth IRA to someone, it’s another story. Since the rules surrounding inherited IRAs can be quite complicated, it’s wise to get advice from a professional.

Can You Delay Taking an RMD From Your 401(k)?

As noted above, there is some flexibility with your first RMD, in that you can delay your first RMD until April 1 of the following year. Just remember that your second RMD would be due by December 31 of that year as well, so you’d be taking two taxable withdrawals in the same year.

Also, if you are still employed by the sponsor of your 401(k) when you turn 73, you can delay taking RMDs until you leave that job or retire.

RMD Requirements for Inherited 401(k) Accounts

Don’t assume that RMDs are only for people in or near retirement. RMDs are usually required for those who inherit 401(k)s as well. The rules here can get quite complicated, depending on whether you are the surviving spouse inheriting a 401(k), or a non-spouse. In most cases, the surviving spouse is the legal beneficiary of a 401(k) unless a waiver was signed.

Inheriting a 401(k) From Your Spouse

If you’re the spouse inheriting a 401(k), you can roll over the funds into your own existing 401(k), or you can roll over the funds into what’s known as an “inherited IRA,” which holds the inherited funds from the 401(k). You can also continue contributing to the account.

Then you would take RMDs from these accounts when you turned 73, based on the IRS tables that apply to you.

Recommended: What Is a Rollover IRA vs. a Traditional IRA?

Inheriting a 401(k) From a Non-Spouse

If you inherit a 401(k) from someone who was not your spouse, you cannot roll over the funds into your own IRA.

You would have to take RMDs starting December 31 of the year after the account holder died. And you would be required to withdraw all the money from the account within five years (or over your lifetime), or within 10 years, depending on when the account holder passed away.

The five-year rule is one option that comes into play if the person died in 2019 or before; the other option for a non-spouse who inherits the account in this scenario is to take distributions based on their own life expectancy beginning the end of the year following the account holder’s year of death.

The 10-year rule applies if the account holder died in 2020 or later.

Other Restrictions on Inherited 401(k) Accounts

Bear in mind that the company that sponsored the 401(k) may have restrictions on how inherited funds must be handled. In some cases, you may be able to keep 401(k) funds in the account, or you might be required to withdraw all funds within a certain time period.

In addition, state laws governing the inheritance of 401(k) assets can come into play.

As such, if you’ve inherited a 401(k), it’s probably best to consult a professional who can help you sort out your individual situation.

How to Avoid RMDs on 401(k)s

While a 401(k) grows tax-free during the course of an individual’s working years, the RMDs withdrawal is taxed at their current income tax rate. One way to offset that tax liability is for an investor to consider converting a 401(k) into a Roth IRA in the years preceding mandatory RMDs. Roth IRAs are not subject to RMD rules.

What Is a Roth Conversion?

A Roth conversion can be done at any point during an investor’s life, and it can be done with all of the 401(k) funds or a portion of it.

Because a 401(k) invests pre-tax dollars and a Roth IRA invests after-tax dollars, you would need to pay taxes right away on any 401(k) funds you converted to a Roth. But the good news is, upon withdrawing the money after retirement, you don’t have to pay any additional taxes on those withdrawals. And any withdrawals are at your discretion because there are no required distributions.

Paying your tax bill now rather than in the future can make sense for investors who anticipate being in a higher tax bracket during their retirement years than they are currently.

The Backdoor Roth Option

Converting a 401(k) can also be a way for high earners to take advantage of a Roth. Standard Roth accounts have an income cap. To contribute the maximum to a Roth IRA in 2025 and 2026, here’s a quick look at what your modified adjusted gross income (MAGI) would need to be.

Tax year	MAGI for single filers to contribute the maximum to a Roth IRA	MAGI for married filing jointly to contribute the maximum to a Roth IRA
2025	Less than $150,000	Less than $236,000
2026	Less than $153,000	Less than $242,000

If your income is higher than the income caps above, your contribution to a standard Roth IRA would phase out or be eliminated.

But those income rules don’t apply to Roth conversions. That’s why they’re sometimes called the “backdoor Roth” option.

Once the conversion occurs and a Roth IRA account is opened, an individual needs to follow Roth rules: In general, withdrawals can be taken after an account owner has had the account for five years and is at least age 59½, barring exceptions such as death, disability, or first home purchase.

What Should an Investor Do With Their RMDs?

How you use your RMD funds depends on your financial goals. Fortunately, there are no requirements around how you spend or invest this money (with the possible exception that you cannot take an RMD and redeposit it in the same account).

Potential ways to use RMDs include:

•   Paying for living expenses in retirement. If you plan to use your RMD for income, it’s also smart to consider the tax consequences of that choice in light of other income sources like Social Security.

•   Funding a brokerage account and continuing to invest. While an RMD can’t be redeposited, it’s possible to directly transfer an RMD into a taxable account. You will still owe taxes on the RMD, but you could stay invested in the securities in the previous portfolio.

Reinvesting RMDs might provide a growth vehicle for retirement income. For example, some investors may look to securities that provide a dividend, so they can create cash flow as well as maintain investments.

•   Donating part of an RMD to charity. If the funds are directly transferred from the IRA to the charity (instead of writing out a check), the donation will be excluded from taxable income.

While there is no right way to manage RMDs, individuals can come up with a plan to help keep their money working for them, long after it’s out of the original 401(k) account.

The Takeaway

Investors facing required minimum distributions from their 401(k) accounts may want to fully understand what the law requires, figure out a game plan, and act accordingly. While there are a lot of things to consider and rules to reference, ignoring 401(k) RMDs can result in sizable penalties.

Even if you’re not quite at the age to take RMDs, you may want to think ahead so that you have a plan for withdrawing your assets that makes sense for you and your loved ones. It can help to walk through the many different requirements and options you have as an account holder, or if you think you might inherit a 401(k).

As always, coming up with a financial plan depends on knowing one’s options and exploring next steps to find the best fit for your money.

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FAQ

Is my 401(k) subject to RMDs?

Yes, with very few exceptions, 401(k)s are subject to RMDs after the owner reaches age 73. What those RMDs are, exactly, varies depending on several factors.

How to calculate your RMD for your 401(k)?

RMDs are basically calculated by dividing the owner’s account balance by their life expectancy factor, which is determined by the IRS. That will give you the amount you must withdraw each year, or face a penalty.

Can you avoid an RMD on your 401(k)?

You can avoid an RMD if you’re willing to convert your traditional 401(k) account to a Roth IRA. Roth IRAs do not require RMDs, but you will owe taxes on the funds you convert.

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