How to Calculate the RMD for an Inherited IRA

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Inheriting an individual retirement account (IRA) comes with specific tax obligations that can feel overwhelming during an already difficult time. One of the most important requirements to understand is the required minimum distribution (RMD) for an inherited IRA. This determines how much money you must withdraw each year. Unlike traditional IRAs, where distributions typically begin at age 72, inherited IRAs often require beneficiaries to start taking distributions sooner. This depends on their relationship to the original account holder and when they inherit the account. The calculation process involves several factors, including your age, the account value and your relationship to the deceased. If you have an IRA, this is how to calculate the RMD for an inherited IRA.

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RMD Rules for an Inherited IRA

When you inherit an IRA1, your relationship to the original account owner determines your distribution requirements. Spouses have the most flexibility, with options to treat the inherited IRA as their own or maintain it as an inherited account.

Non-spouse beneficiaries face more restrictive rules, particularly following the SECURE Act of 2019. This eliminated the stretch IRA strategy for many inheritors. Most non-spouse beneficiaries now fall under the 10-year rule2 for inherited IRAs. Under this regulation, the entire account must be empty by December 31st of the tenth year following the original owner’s death. Annual withdrawals are not mandatory during this period. However, the account balance must reach zero by the deadline to avoid substantial penalties.

  • Surviving spouses
  • Disabled or chronically ill individuals
  • Beneficiaries not more than 10 years younger than the deceased
  • Minor children of the account owner (though only until they reach majority age).

These beneficiaries can take distributions based on their life expectancy.

The timing of the original account owner’s death relative to their required beginning date (RBD) affects inheritance rules. If they died before their RBD, different options may be available, compared to if they died after beginning required minimum distributions. This distinction can significantly impact the distribution schedule for beneficiaries.