How Should You Plan Required Minimum Distributions When You File Single?

Ross Marino |

A required minimum distribution can feel larger when you file single. There is no second return or spouse’s income to absorb part of the result. The withdrawal joins your Social Security, pension, investment income, and other taxable decisions on one return.

Still, the RMD is not your spending plan. It establishes the minimum that must leave certain retirement accounts. You decide how the withdrawal is timed, how its tax is paid, and what the remaining cash should do.

When does the RMD enter your plan?

Your starting age depends on your birth year. Under current law, it is generally 73 for someone born from 1951 through 1959 and 75 for someone born in 1960 or later. Traditional IRAs and many employer plans are subject to RMD rules; Roth IRAs do not require lifetime distributions from the original owner.[1]

The annual calculation generally begins with the prior December 31 balance and an IRS life-expectancy factor. A custodian may calculate an amount, but you remain responsible for satisfying the requirement across all affected accounts.[2]

Can every account be handled together?

No. RMDs for your traditional, rollover, SEP, and SIMPLE IRAs are calculated separately, but those amounts may generally be totaled and withdrawn from one or more of those IRAs. Eligible 403(b) accounts have a separate aggregation group. Each 401(k), 457(b), and most other employer plans generally must satisfy its own obligation. Inherited accounts should be kept outside the pool for accounts you own.[3]

That boundary matters before you choose which holdings to sell or which account should send cash. An extra IRA withdrawal does not necessarily repair a shortfall in an employer plan.

One required amount creates two planning paths

1 · Calculate the obligation

Keep each account’s calculation and legal boundary visible.

2 · Choose the tax-year landing

The filing year receives the taxable distribution, which may carry over to later Medicare premiums.

3 · Separate the net cash

Only after taxes and direct charitable transfers are resolved does the remaining money receive a spending, reserve, or investment job.

Should you delay the first distribution?

Only the first RMD has the usual April 1 option. Delaying it until the following year does not eliminate the next RMD, which is still generally due by December 31. You can therefore place two separately calculated distributions on one single return.[4]

Compare the two calendar years before deciding. Include pensions, interest, dividends, gains, deductions, and Social Security. Additional income can increase the taxable portion of Social Security benefits; the federal combined-income thresholds differ by filing status.[5] Medicare introduces a lag because IRMAA generally uses tax return income from two years earlier and applies filing-status-specific thresholds.[6]

Dovetail Principle: Timing Can Change Which Options Remain

The first-year deadline is a choice about where income lands, not permission to postpone planning. Once one calendar closes, you cannot move its RMD, charitable transfers, or Roth conversion capacity back into it.

How should withholding and giving be sequenced?

Choose withholding based on a full-year tax estimate rather than on the RMD alone. Federal tax withheld from a retirement distribution is generally treated as paid evenly through the year, even when withheld late. That feature may help with an underpayment projection, but it does not reduce income or replace a state tax review.[7]

If charitable giving is already part of your life, coordinate it before automatic withdrawals begin. An eligible qualified charitable distribution can move IRA money directly to an eligible charity, count toward the IRA RMD, and generally remain outside adjusted gross income. A later cash gift after receiving the distribution is different.

Roth conversions come after the required amount. An RMD cannot be converted, and the year’s requirement must be satisfied before additional traditional IRA assets are converted.[8] The conversion adds income beyond the RMD, so compare it with Social Security taxation, Medicare, giving, and investment gains on the same return.

What should the completed plan decide?

Start with every account, its calculated amount, its deadline, and the permitted withdrawal source. Then place the distributions into a tax projection that includes Social Security, Medicare lookback years, charitable transfers, possible Roth conversions, and planned withholding.

Only then decide what you need to spend. The gross RMD may refill checking, but money not needed now can move to reserves or a taxable investment account. Filing single makes coordination more important; it does not turn a tax formula into a lifestyle instruction. The finished plan should clearly show both amounts: what must leave the account and what you want available for your life.

Related Reading: If the first-year deadline is still open, compare the two tax-year outcomes in How Should You Plan for a Year With Two RMDs?.

About the author

Ross Marino, CFP®, CeFT®, is the Founder & CEO of Dovetail Financial and creator of Human-First Financial Guidance®. He helps people nearing or living in retirement connect their lives and wealth so that financial decisions become clearer, more personal, and easier to navigate.

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Notes

  1. Publication 590-B (2025), Distributions from Individual Retirement Arrangements (IRAs), Internal Revenue Service.
  2. Required Minimum Distributions | RMD Rules & Options, Fidelity Investments.
  3. RMD Reference Guide, Charles Schwab.
  4. Options for Taking Your First Required Minimum Distribution (RMD), Fidelity Investments.
  5. Taxes on Social Security Are Based on Your Income, AARP.
  6. Part B Costs for Those With Higher Incomes, Medicare Rights Center.
  7. How Retirees Can Use RMD Withholding to Streamline Tax Payments, Kiplinger.
  8. How to Convert a Traditional IRA to a Roth IRA, Vanguard.

Disclosure

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