The Tax Impact of Required Minimum Distributions (RMDs)

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Published: March 10, 2025

The tax impact of Required Minimum Distributions (RMDs) is a critical topic for anyone managing retirement funds. RMDs not only withdraw funds from your accounts but also increase taxable income—potentially pushing you into a higher tax bracket, raising Medicare premiums, and affecting Social Security taxes. By understanding these tax effects and applying effective strategies, you can reduce your tax burden and preserve more of your retirement savings.

Tip

This blog is part of a series that provides a comprehensive overview of RMDs. For a complete guide covering rules, strategies, and deadlines, check out How to Follow RMD Rules and Make Withdrawals Easy.

How RMDs Affect Your Taxes

RMDs Are Taxed as Ordinary Income

RMD withdrawals are taxed at your ordinary income tax rate. The additional income from an RMD can push you into a higher tax bracket, increasing your overall tax liability.

Impact on Medicare Premiums (IRMAA Surcharges)

If your income exceeds certain thresholds, RMDs can cause higher Medicare Part B and Part D premiums due to the Income-Related Monthly Adjustment Amount (IRMAA). For example, if your income surpasses $103,000 (for single filers in 2025), your Medicare costs may increase.

Effect on Social Security Taxation

RMDs count as income when determining how much of your Social Security benefits are taxable. If your combined income exceeds $44,000 (for joint filers), up to 85% of your Social Security benefits may become taxable.

See Understanding the Taxation of Social Security Benefits for more information.

Strategies to Minimize the Tax Impact of RMDs

1. Start Withdrawals Before RMD Age

If you retire before RMDs begin, consider taking withdrawals earlier at lower tax rates. This strategy helps spread out your taxable income over multiple years, reducing future RMDs.

2. Use Roth Conversions

Converting portions of a traditional IRA to a Roth IRA before RMD age can help lower future taxable RMDs. Since Roth IRAs do not have RMDs, shifting assets into a Roth account can reduce taxable distributions later.

3. Make a Qualified Charitable Distribution (QCD)

Individuals aged 70½ or older can donate up to $100,000 per year directly from an IRA to a qualified charity. This amount is excluded from taxable income, helping to lower tax liability and Medicare premiums.

4. Consider Qualified Longevity Annuity Contracts (QLACs)

A QLAC allows you to defer RMDs on a portion of your IRA balance until age 85, reducing the taxable amount of RMDs in earlier years.

5. Withdraw Strategically in Low-Income Years

If you anticipate a lower-income year (e.g., before claiming Social Security), consider withdrawing more than the required RMD. This strategy helps manage taxable income and reduces future RMDs.

Planning Ahead for RMDs

Proper tax planning before reaching RMD age can make a significant difference in managing your retirement finances. By implementing these strategies, you can potentially lower your tax burden, protect your Social Security benefits, and avoid unnecessary Medicare surcharges.

Next: How to Manage Inherited Retirement Accounts and RMDs

Minimizing the tax impact of your own RMDs is one thing, but what happens if you inherit a retirement account? The rules for inherited IRAs and 401(k)s can be complex, especially after the SECURE Act changed how beneficiaries must withdraw funds. In the next section, we’ll break down the rules for different types of heirs and how to manage inherited RMDs efficiently.

Read Next: How to Manage Inherited Retirement Accounts and RMDs


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