Will RMDs ruin the 4% rule for you in retirement? It's quite possible if you have a good chunk of your retirement savings in traditional accounts. To some degree, building that retirement nest egg is easy. You set aside money each month to go into your IRA or 401(k), invest it in an S&P 500 index fund or collection of stocks, and wait for it to compound.
It’s managing your savings in retirement that’s the tricky part.
Once you’ve accumulated wealth, you don’t want to risk having your nest egg dry up. A recent Allianz survey found that 64% of respondents worry more about running out of money than actually dying, which speaks to the importance of withdrawing from your savings carefully.
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To that end, there’s some guidance in the form of the 4% rule.
The 4% rule goes as follows: Withdraw 4% of your savings in your first year of retirement. Repeat that 4% withdrawal in future years while making adjustments for annual inflation. Do this consistently, and your savings are likely to last 30 years.
Of course, not everyone agrees with the 4% rule. In 2024, Morningstar recommended a 3.7% withdrawal rate for retirees due to stock market valuations and bond yields at the time. (That said, Morningstar stuck with 4% in 2023, when bond yields were slightly more favorable.)
Nonetheless, many financial professionals think 4% is a safe withdrawal rate, for the most part. And you may be inclined to stick with it for your retirement. But will required minimum distributions (RMDs) get in your way?
When RMDs ruin the 4% rule
The IRS offers traditional IRA and 401(k) savers some pretty great perks — tax-free contributions and tax-deferred growth. In exchange, the IRS wants IRAs and 401(k)s to be used for their intended purpose, and not as a loophole for wealthy people to pass money on to future generations in a tax-advantaged manner.
For this reason, the IRS forces savers born between 1951 and 1959 to take Required Minimum Distributions (RMDs) from these accounts starting at age 73. For those born in 1960 or later, RMDs start at 75.
Your RMD calculation changes every year based on the fair market value of your retirement account that’s subject to those withdrawals and your life expectancy. For this reason, as people age, their RMDs can increase. But that could make it difficult to stick to the 4% rule.
If you have a large IRA or 401(k) that’s subject to RMDs, as you get older, you may find that your mandatory withdrawal amount is greater than 4% of your total nest egg.
Remember, RMDs may not apply to every account you’re holding in retirement. But if a 4% withdrawal rate applied to all of your accounts results in $38,000 and your RMD amount is $45,000, you’re effectively being forced to withdraw from your savings at a higher rate.
Working around RMDs
While it’s clear that RMDs could make it difficult to stick to a 4% withdrawal rate, there are workarounds.
Reinvest rather than spend.
As Drew Boyer, CFP and Founder at Boyer Financial Group explains, if your RMD is greater than 4% of your total assets, the solution is simply not to spend it all.
“If your RMD is higher than 4%, it’s the IRS’s distribution calculator you must follow. But your spending patterns don’t need to change,” he says. “If you are forced to take out 6%, you don’t need to spend 6%. You can still spend 4% but reinvest the excess amount.”
One caveat is that you can’t put an RMD back into a tax-advantaged account. But a taxable brokerage account is fair game, Boyer says. I-bonds could be an appropriate investment for you, too, depending on your risk tolerance and what interest rates look like.
And there’s no rule stating you have to invest RMD funds you don’t want or need to spend. You can put the money into a savings account or CD if there’s no specific investment that aligns with your goals. Either way, you’re preserving the cash rather than spending it.
Avoid RMDs with Roth conversions.
Another option? Get ahead of RMS by doing a Roth conversion.
James Hutchens, National Practice Lead for Wealth Advisory at Northern Trust, says, “Big RMDs can be planned for. A Roth conversion is a potential workaround if your planning horizon is long enough and you use other assets to pay the income tax bill associated with the conversion. This reduces the amount that is subject to RMDs.”
That said, Hutchens warns that Roth conversions need to be timed carefully. Not only do they increase your taxable income the year you make them, but they can have other impacts.
As Hutchens points out, having a large income in any given year could result in Medicare surcharges known as income-related monthly adjustment amounts (IRMAA) two years later.
That’s why “a conversion should be considered after careful consideration of income flows, goals, and your planning horizon,” Hutchens insists.
Handle large RMDs with a qualified charitable distribution.
Finally, Boyer says, you can consider a qualified charitable distribution if you end up with an RMD that well exceeds the 4% mark. This won't help you lower your withdrawal rate, but it could help you avoid a big tax bill.
"It satisfies your mandatory RMD and helps pay it forward for those in need," says Boyer. "That’s a win-win move that’s tax-smart."
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