Required Minimum Distribution Rules: How RMDs Work and How to Plan for Them

Pierce J.
May 15, 2026

Retirement accounts offer tremendous tax advantages during your working years, allowing investments to grow tax-deferred over decades. However, the Internal Revenue Service eventually requires account holders to begin taking taxable withdrawals through Required Minimum Distributions (RMDs).

Understanding how RMDs work is critical for protecting long-term retirement wealth, managing future tax exposure, and preserving assets for future generations. Without proper planning, mandatory withdrawals can unexpectedly increase taxable income, trigger higher Medicare premiums, and reduce overall retirement efficiency.

At LegacyBridge Wealth, we help individuals and families develop retirement income and tax minimization strategies designed to preserve wealth through every stage of retirement planning.

What Are Required Minimum Distributions?

Required Minimum Distributions are the minimum amounts retirement account owners must withdraw annually from certain tax-deferred retirement accounts after reaching a specific age established by federal law.

These rules exist because traditional retirement accounts were funded with pre-tax dollars, and the IRS eventually requires taxes to be paid on those deferred earnings.

RMDs generally apply to:

  • Traditional IRAs
  • SEP IRAs
  • SIMPLE IRAs
  • Traditional 401(k)s
  • 403(b)s
  • 457(b) plans
  • Other qualified tax-deferred retirement accounts

Failing to take the proper distribution can result in significant penalties and unnecessary tax complications.

Recent Changes to RMD Age Requirements

Federal legislation has changed the age at which retirees must begin taking RMDs.

Under the SECURE 2.0 Act:

  • Individuals born between 1951 and 1959 generally begin RMDs at age 73
  • Individuals born in 1960 or later are expected to begin RMDs at age 75

These changes allow retirement accounts additional years of tax-deferred growth before mandatory withdrawals begin.

However, delaying distributions can also create larger account balances later in life, potentially leading to substantially larger taxable withdrawals once RMDs eventually start.

This makes proactive retirement tax planning increasingly important.

Which Accounts Are Subject to RMD Rules?

Traditional tax-deferred retirement accounts are generally subject to RMD requirements because contributions were originally deducted from taxable income.

Accounts typically subject to RMDs include:

  • Traditional IRAs
  • Employer-sponsored retirement plans
  • SEP IRAs
  • SIMPLE IRAs
  • Traditional 401(k)s
  • Traditional 403(b)s

By contrast, Roth IRAs are not subject to RMDs during the original owner’s lifetime.

This distinction makes Roth accounts extremely valuable for:

  • long-term tax diversification
  • retirement income flexibility
  • estate planning
  • multigenerational wealth transfer

Understanding How RMD Calculations Actually Work

One of the most commonly misunderstood areas of retirement planning involves how Required Minimum Distributions are calculated across multiple accounts.

Many people incorrectly assume each IRA must satisfy its own separate withdrawal requirement independently. In reality, the IRS allows aggregation across multiple traditional IRA accounts.

For traditional IRAs:

  • RMDs are calculated separately for each IRA account
  • However, the total required amount can generally be withdrawn from one IRA or spread across multiple IRAs

For example:
If you own three traditional IRAs, each account’s RMD must first be calculated individually based on the prior year-end balance. However, once calculated, the total combined RMD amount may typically be withdrawn from any one or combination of those IRA accounts.

This aggregation rule applies to:

  • Traditional IRAs
  • SEP IRAs
  • SIMPLE IRAs

However, employer-sponsored plans such as 401(k)s generally do not follow the same aggregation flexibility and often require distributions to be taken separately from each employer plan.

According to the Internal Revenue Service:

“The required minimum distribution must be calculated separately for each IRA, but the total amount may be taken from one or more IRAs.”

Source:
IRS Required Minimum Distribution FAQs

Because these rules can become increasingly technical across multiple retirement vehicles, professional coordination is often essential.

How RMDs Can Increase Your Tax Burden

As retirement accounts continue growing, future RMDs can become surprisingly large.

Mandatory withdrawals may:

  • push retirees into higher tax brackets
  • increase taxation of Social Security benefits
  • trigger higher Medicare IRMAA premiums
  • reduce tax efficiency for surviving spouses
  • create larger taxable estates

This issue becomes even more significant for individuals who delay withdrawals while maintaining strong portfolio growth throughout retirement.

Without proper planning, retirees may eventually face “forced income” at a time when tax management becomes increasingly important.

The Strategic Power of Roth Conversions Before Age 73

One of the most effective retirement tax planning strategies involves performing Roth conversions during the years between retirement and the start of RMDs.

This period is often referred to as the “tax planning window.”

For many retirees:

  • earned income decreases after retirement
  • Social Security may not yet be fully maximized
  • RMDs have not started
  • taxable income may temporarily fall into lower tax brackets

This creates a unique opportunity to gradually convert portions of traditional IRA assets into Roth IRA assets at potentially lower tax rates.

A Roth conversion involves:

  • moving funds from a traditional IRA into a Roth IRA
  • paying taxes on the converted amount today
  • allowing future qualified Roth growth and withdrawals to remain tax-free

Strategically executed Roth conversions may help:

  • reduce future RMD balances
  • lower long-term taxable income
  • improve tax diversification
  • reduce future Medicare surcharge exposure
  • enhance estate planning flexibility
  • create more tax-efficient inheritance structures for heirs

Because Roth IRAs are not subject to lifetime RMDs for the original owner, conversions can significantly improve long-term retirement flexibility.

For many affluent retirees, this pre-RMD planning period between retirement and age 73 represents one of the most valuable tax planning opportunities available.

Why Proactive RMD Planning Matters

Required Minimum Distributions should never be viewed as a simple annual withdrawal requirement.

Instead, they should be integrated into a broader:

  • retirement income strategy
  • tax minimization plan
  • estate planning framework
  • wealth preservation strategy

Proper planning may involve:

  • Roth conversion analysis
  • charitable giving strategies
  • tax bracket management
  • Social Security coordination
  • withdrawal sequencing optimization
  • estate planning integration

The earlier these strategies are evaluated, the more flexibility retirees often maintain.

Long-Term Retirement Tax Efficiency

Retirement planning is no longer simply about accumulating assets. Modern retirement strategy increasingly focuses on:

  • how assets are withdrawn
  • when taxes are recognized
  • how wealth transfers to future generations
  • how income impacts healthcare costs and tax brackets

As tax laws continue evolving, retirees who proactively manage future RMD exposure often maintain greater long-term control over their financial outcomes.

A coordinated strategy can help preserve more retirement wealth while improving flexibility throughout retirement.

Build a Smarter Retirement Distribution Strategy

LegacyBridge Wealth helps individuals and families create customized retirement income and tax planning strategies designed for long-term efficiency and wealth preservation.

From Roth conversion analysis to retirement withdrawal sequencing and estate planning coordination, our team helps clients navigate complex financial decisions with greater clarity and confidence.

To discuss your retirement distribution strategy and future RMD planning opportunities, contact our team today.

Contact:
info@legacybridgewealth.com
(912) 483-0457

Frequently Asked Questions

What are Required Minimum Distributions (RMDs), and why do they exist?

Required Minimum Distributions (RMDs) are the minimum amounts that retirement account owners must withdraw annually from certain tax-deferred accounts once they reach a specific age. Because traditional retirement accounts are funded with pre-tax dollars, the IRS requires these mandatory withdrawals so that taxes are finally paid on the deferred earnings.

At what age am I required to start taking RMDs?

Under the SECURE 2.0 Act, the starting age for RMDs depends on your birth year:

Born between 1951 and 1959: Generally must begin taking RMDs at age 73.

Born in 1960 or later: Are expected to begin taking RMDs at age 75.

Can I pool my RMD total and withdraw it from a single account?

It depends on the type of account:

IRAs (Traditional, SEP, and SIMPLE): Yes. The IRS requires you to calculate the RMD for each account individually, but you can aggregate the total and withdraw it from just one IRA or spread it across multiple IRAs.

Employer-Sponsored Plans (like 401(k)s and 403(b)s): No. These plans generally do not offer aggregation flexibility, meaning you must take separate distributions from each individual employer plan.

Are Roth IRAs subject to the same RMD rules?

No. Roth IRAs are not subject to RMDs during the original owner’s lifetime. Because contributions to Roth accounts are made with after-tax dollars, they provide excellent tax diversification, income flexibility, and advantages for multigenerational wealth transfer.

How can a Roth conversion help reduce my future RMD tax burden?

A Roth conversion involves moving funds from a traditional IRA to a Roth IRA and paying the taxes on that amount today. By doing this during your "tax planning window"—the years between retirement and the start of your mandatory RMDs, when your income may be temporarily lower—you can:

Shrink the overall balance of your traditional tax-deferred accounts, thereby lowering future mandatory RMD amounts.

Allow the converted funds to grow and be withdrawn tax-free in the future.

Avoid being pushed into higher tax brackets, triggering higher Medicare IRMAA premiums, or increasing the taxation of your Social Security benefits later in retirement.

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