2 Ways Retirees Can Defuse a Tax Bomb (It’s Not Too Late!)

If you’re retired and find yourself sitting on a “tax bomb,” you may think there’s nothing you can do. But two strategies could seriously reduce your taxes in retirement.

By David McClellan

published 29 November 2022

in Features

An older couple blows confetti out of their hands to celebrate how much they reduced their taxes in retirement.

(Image credit: Getty Images)

If you’re recently retired, it’s not too late to implement planning strategies that can dramatically reduce taxes in retirement and taxes on what you leave your heirs.

Find Out in 5 Minutes If You Have Enough to Retire

A seven-part series I recently published on Kiplinger.com on “retirement tax bombs” was a huge hit with readers. I heard directly from many of you, who expressed that you were always worried about these issues but hadn’t ever heard anyone talk about them or give practical advice.

If you haven’t read the series, I’d suggest you first start with Part 1: Is Your Retirement Portfolio a Tax Bomb? You can find links to the other parts in the series at the bottom of this article.

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Many investors expressed worries that because they had already retired, it’s too late to do anything to defuse their retirement tax bomb. However, while the first of the three strategies I discuss, shifting retirement contributions from pretax to after-tax Roth, is no longer available to you, the remaining two strategies, asset location and annual Roth conversions, likely are, and could be worth implementing.

Let’s look at a case study of a married couple who just retired at age 63. They have a total investment portfolio of $3 million, of which $1.5 million is tax deferred, $1 million is taxable, and $500,000 is Roth. Their investments are not asset located, with the same asset allocation in each tax bucket. I assume expected returns of 4% for bonds and 9% for stocks. They’re invested in a conservative growth portfolio with a 60% stock, 40% bond allocation that has an expected annual return of 7%.

They each plan to file for Social Security at age 67 with a combined benefit of $68,000, and a 2% annual cost of living adjustment. They have no other sources of income.

Let’s look first at what their current retirement tax bomb looks like.

Early in retirement, they’ll meet their expenses through dividend income and harvesting long-term gains from their taxable investments.

The Base Case: A Big RMD Problem

They are projected to have more than $3.6 million in required minimum distributions (RMDs) through age 90. Recall that RMDs are taxed as ordinary income. Below, you can also see their annual RMDs at certain ages, their taxable income based on RMDs and Social Security income, and their projected federal tax bracket using current tax tables.

Graphic shows how tax strategy affects RMDs.

They are also projected to have $78,000 in Medicare means testing surcharges through age 90, which isn’t bad, but remember that you can think of these as avoidable taxes with proper planning.

The couple’s kids are projected to inherit $3.7 million in tax-deferred assets by the time the couple is age 90. The kids will have 10 years in which to completely drain the inherited IRAs, with all distributions being taxed as ordinary income at the kids’ marginal tax rate.

Finally, recall that their Roth IRAs are going to be untouched early in retirement to allow the tax-free account to grow as much as possible. Assuming no withdrawals from the Roth accounts through age 90, their tax-free Roth money grows from $500,000 to more than $3.3 million, though they could certainly make tactical Roth withdrawals in some years to reduce taxes (say, to avoid bracket creep).

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So, what do you think of their situation? It could certainly be worse, and at least they remain in a reasonably low 24% tax bracket through most of retirement. But could they meaningfully improve on their situation by implementing asset location and annual Roth conversions? Let’s see.

Scenario 1: Implement Asset Location

“Asset location” refers to putting your assets where they will do the most good for you, specifically:

Placing asset classes with lower expected returns (think bonds and dividend stocks) in tax-deferred accounts to limit their growth.
Putting asset classes with the higher expected returns (think small value and emerging market stocks) in Roth accounts so the tax-free money grows the fastest.
And putting asset classes that derive a lot of their growth from capital gains (think growth stocks) in taxable accounts.

By using asset location, we expect to put 100% of their bonds in their tax-deferred accounts, which will earn a lower expected return of 5% rather than the 7% assumed in the base case. Let’s look at the impact.

Through age 90, their total taxable RMDs fall by more than $1.1 million, and they’re in a lower federal tax bracket for many years. In addition, the tax liability passed to their kids falls by more than $1.5 million, and all $78,075 of Medicare means testing surcharges have been eliminated.

Meanwhile, let’s assume they can continue to live off of Social Security, RMDs and harvesting gains from their taxable accounts so they don’t need to withdraw money from their Roth accounts. Assuming the Roth accounts are asset located to hold more aggressive investments with an expected return of 9% instead of 7% from the base case, their Roth accounts grow to $5.6 million by age 90, an increase of more than $1.5 million from the base case.

Those are pretty impressive benefits from simply implementing asset location.

Scenario 2: Implement Asset Location and Annual Roth Conversions

Now, let’s add annual Roth conversions to the strategy. Recall that Medicare means testing starts at age 65, but it is based on income from two years prior (two-year look-back), and that they plan to take Social Security at age 67. Let’s plan on annual Roth conversions of $150,000 from age 63 to 66 and then $75,000 per year from age 67 to 71, for a total of $975,000 in Roth conversions. These amounts are small enough to avoid any further Medicare means testing surcharges, although some investors may find that triggering a few years of means testing to convert more to Roth may be worthwhile.

Let’s look at the results compared to the base case. Through age 90, their taxable RMDs fall from $3.6 million to $1.1 million, a reduction of $2.4 million. In addition, they remain in the 22% tax bracket for at least 10 more years, so they benefit from both lower taxable income and lower tax rates in most years.

Meanwhile, the inherited tax liability for their heirs falls from $3.7 million to $1 million, a reduction of $2.7 million.

Finally, thanks to the Roth conversions early in retirement and nearly 30 years of compound growth, the tax-free Roth money grows to a whopping $14 million.

One additional consideration to bear in mind is what may happen to future tax rates. Current tax rates are near historical lows and may be the lowest we'll see for the rest of our lives. Consider solvency issues with Social Security and Medicare, chronic infrastructure issues, exploding deficits, climate change, and pandemics. Each of these issues in isolation will require a lot of money. And that doesn’t even account for the income and wealth redistribution agenda being pursued by some in Congress.

Simply put, paying taxes today may be a bargain compared with deferring (and growing) your tax liability into the future.

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I hope this article shows that even if you’ve recently retired (or are about to retire), you can still implement planning strategies that can dramatically reduce your taxes in retirement and the tax liability you leave your heirs.

Here are the links to the previous articles in the series:

Disclaimer

This article was written by and presents the views of our contributing adviser, not the Kiplinger editorial staff. You can check adviser records with the SEC or with FINRA.

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David McClellan is a partner with Forum Financial Management, LP, a Registered Investment Adviser that manages more than $7 billion in client assets. He is also VP and Head of Wealth Management Solutions at AiVante, a technology company that uses artificial intelligence to predict lifetime medical expenses. Previously David spent nearly 15 years in executive roles with Morningstar (where he designed retirement income planning software) and Pershing. David is based in Austin, Texas, but works with clients nationwide. His practice focuses on financial life coaching and retirement planning. He frequently helps clients assess and defuse retirement tax bombs.