The 'Wait Until You Retire' Tax Myth Only Works for 4% of People, According to This Retirement Advisor

"“So many advisors have helped clients defer, defer, defer, because we all been told this myth, right?" said David Brooks on the Retire SMART podcast. "Defer your taxes because you'll be in a lower tax bracket when you retire. And that's a joke. That's 4% of the people I've run into.”"

"A traditional 401(k) contribution skips income tax today, then taxes both your original dollars and decades of growth as ordinary income when withdrawn. The bet is that your future rate will be lower than your current rate. That bet only pays off if tax rates do not rise, your retirement income is meaningfully lower than your working income, and your withdrawals stay smooth instead of spiking."

"In practice, none of those usually hold, Brooks said. Required Minimum Distributions force withdrawals on the IRS's schedule, not yours. Social Security becomes partly taxable once provisional income crosses modest thresholds. Medicare Part B and D premiums climb through IRMAA surcharges when income crests certain tiers. A retiree pulling $80,000 from a traditional IRA to cover living expenses can easily trigger taxation on Social Security and a Medicare surcharge in the same year, stacking three tax effects on top of the bracket math everyone focused on."

"Brooks' personal story anchors the point. After selling his restaurants, he owed more in taxes than he had "ever made in a year" because, in his words, he "didn't get good proactive tax planning." Running a profitable business requires a different skill set than engineering the exit"

Traditional 401(k) contributions avoid income tax today but tax withdrawals later as ordinary income, including original contributions and long-term growth. The strategy depends on future tax rates staying lower, retirement income being meaningfully lower than working income, and withdrawals remaining steady. Those assumptions often break because Required Minimum Distributions force withdrawals on a schedule, Social Security can become partially taxable when provisional income exceeds thresholds, and Medicare Part B and D premiums can increase through IRMAA surcharges at higher income tiers. A retiree withdrawing from a traditional IRA can trigger multiple tax effects in the same year, making the bracket-based deferral bet unreliable. Proactive tax planning is presented as necessary to manage these interacting rules.

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