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The ABCs of RMDs: What Retirees Need to Know

Required minimum distributions (RMDs) are a part of retirement planning that folks don’t think about until they are required to start taking them. However, RMDs are a significant part of retirement income and tax planning for many retirees. In this article, we’ll unpack RMD fundamentals.

The ABCs of RMDs: What Retirees Need to Know
4 minute read

By Keith R. Davenport, CFP®, MPASTM, RICP® , MMBB Financial Planning Specialist

In This Article

  • What Is a Required Minimum Distribution (RMD)?
  • When Do RMDs Start at Age 73?
  • Which Retirement Accounts Require RMDs?
  • How Are RMDs Calculated?
  • Can You Delay RMDs if You're Still Working?
  • What Happens If You Miss an RMD?
  • How Do RMDs Affect Taxes and Medicare Costs?
  • What Are Qualified Charitable Distributions (QCDs)?
  • Strategies to Reduce Future RMD Tax Impact

Required minimum distributions (RMDs) are a part of retirement planning that folks don’t think about until they are required to start taking them. However, RMDs are a significant part of retirement income and tax planning for many retirees. In this article, we’ll unpack RMD fundamentals.

An RMD is the minimum amount the IRS requires you to withdraw each year from your retirement account once you reach age 73.  The IRS mandates minimum amounts that one must withdraw annually from tax-deferred retirement accounts. The purpose of RMDs is to ensure that retirement savings, which have benefited from tax deferral are eventually taxed.

While tax-deferred retirement accounts provide valuable tax advantages during your working years, the IRS eventually requires retirement plan owners to withdraw a portion of these funds and pay the taxes due. Understanding how RMDs work can help you avoid costly penalties and develop more effective retirement income strategies. The rules have changed over time, so it is essential to stay apprised of the changes.

When RMDs Begin

Under current IRS rules, most individuals must begin taking RMDs when they reach age 73. The first RMD must generally be taken by April 1 of the year following the year when the account owner turns 73. Subsequent RMDs must be taken by December 31 each year.

For example, If you turn 73 during 2026, your first RMD is due by April 1, 2027, and your second RMD must be taken by December 31, 2027. 

Because delaying the first distribution until the following year could require taking two taxable distributions in the same calendar year, many retirees choose to take their first RMD during the year they reach age 73.

Accounts Subject to RMD Rules

RMD rules generally apply to:

  • Traditional IRAs
  • Simplified Employee Pension (SEP) IRAs
  • SIMPLE IRAs
  • 401(k) plans
  • 403(b) plans
  • 457(b) governmental plans
  • Profit-sharing plans and other defined contribution plans

Roth IRAs are not subject to RMDs during the original owner's lifetime as a result of SECURE 2.0 legislation changes. Designated Roth accounts in employer-sponsored plans also are not subject to lifetime RMDs for the account owner. However, beneficiaries may still be subject to distribution requirements after the owner's death.

How RMDs Are Calculated

The annual RMD is calculated by dividing the retirement account balance as of December 31 of the previous year by a life expectancy factor provided in IRS tables. 

The basic formula is: RMD = Prior Year-End Account Balance ÷ IRS Life Expectancy Factor. For most account owners, the IRS Uniform Lifetime Table is used. Special rules apply when a spouse is the sole beneficiary and is more than 10 years younger than the account owner. 

For example, suppose your December 31 account balance is $500,000 and the IRS life expectancy factor is 26.5. Your RMD would be $500,000 ÷ 26.5 = $18,868.

In this example, the retiree would be required to withdraw at least $18,868 for the year. The actual factor used depends on the individual's age and circumstances. 

Special Rules for Still-Working Employees

Employees who continue working beyond age 73 may be able to delay RMDs from their current employer's retirement plan until they retire if the plan permits. However, this exception does not apply to traditional IRAs, SEP IRAs, or SIMPLE IRAs, which generally require RMDs once the applicable age is reached. 

Penalties for Missed RMDs

Failing to take the full RMD can result in a substantial IRS excise tax penalty. The RMD penalty is generally 25% of the amount that should have been withdrawn. The penalty may be reduced to 10% if the error is corrected within the prescribed correction period and certain IRS requirements are met.  For example, if your RMD for the year is $20,000 but you withdraw only $12,000, the shortfall is $8,000. In this case, the potential penalty would be $2,000 (25% of $8,000).

In addition to any penalty, you must withdraw the remaining $8,000. You may also be required to file IRS Form 5329 to report the missed distribution and, if eligible, request a waiver or reduction of the penalty.

Tax Impact of RMDs

For most traditional retirement accounts, RMDs are taxed as ordinary income in the year they are received. Large RMDs can increase adjusted gross income, adding to the retiree's taxable income and impacting federal income taxes, state income taxes (where applicable), Medicare premium surcharges (IRMAA), and taxation of Social Security benefits. Because RMDs can increase taxable income, proactive planning is important and reviewing income sources several years before RMDs begin can help minimize surprises. 

Planning Opportunities

Coordination with a financial planner and tax advisor can help retirees understand the applicable rules well before RMDs begin, manage income more deliberately, preserve wealth, and avoid unnecessary tax consequences.

Some retirees intentionally draw down tax-deferred accounts before RMD age to manage future tax brackets and reduce future mandatory distributions.  If you are charitably inclined, you can transfer funds directly from your IRA to an eligible charity. These qualified charitable distributions (QCDs) count toward satisfying your RMD without being included in your taxable income. You can make QCDs as early as age 70 ½ up to an annual limit of $111,000 (meaning married couples can donate up to $222,000 total if both have separate IRAs).

RMDs and the Housing Allowance

If you’re an ordained clergy person who is an MMBB member, keep in mind that RMDs may be designated as housing allowance eligible for clergy. This means the RMD may not be fully taxable for federal income tax purposes if the member can substantiate eligible housing expenses and the amount does not exceed the applicable housing allowance limits. Any portion of the RMD that exceeds the allowable housing allowance amount must be reported as taxable income. Make sure to retain housing expense records and consult a tax professional familiar with clergy taxes about the relationship between RMDs and the housing allowance.

Next Steps

If you are approaching RMD age, review your retirement accounts, projected taxable income, charitable giving plans, and withdrawal strategy with a financial planner and tax professional before your first required distribution is due.  Remember, MMBB members can access an MMBB financial planning specialist at no additional cost as a benefit of membership.


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