Pension holders face a tax problem that most workers never encounter. They collect steady pension income year after year, and simultaneously hold substantial 401(k) balances or traditional IRAs. This combination pushes them into permanently higher tax brackets, even if they withdraw modest amounts from their retirement accounts.
A Roth conversion offers a solution. It involves moving money from a traditional IRA or 401(k) into a Roth IRA. You pay taxes on the converted amount in the year you move it. The advantage arrives later. Once the money sits in the Roth, it grows tax-free, and you never pay taxes on withdrawals in retirement.
For most workers, Roth conversions make little sense. A younger employee with decades until retirement usually benefits more from keeping money in a traditional 401(k), which lowers current taxable income. The tax deferral matters when you earn high wages and face high marginal tax rates now. You lock in today's rate rather than betting on future rates.
Pension holders operate differently. They cannot escape their pension income. A retiree collecting 60,000 dollars annually from a pension will report that income whether they touch their 401(k) or not. That pension already pushes them partway up the tax bracket ladder. Additional required minimum distributions (RMDs) from tax-deferred accounts make the problem worse. At age 73, federal law forces RMDs starting at roughly 3.65 percent of your account balance. Those mandatory withdrawals stack on top of pension income, creating a compounding tax hit.
Here is where Roth conversions become strategically useful. By converting portions of a traditional IRA to a Roth before RMDs begin, a pension holder can reduce the size of their tax-deferred account. Smaller balances mean smaller RMDs. You pay tax on the conversion now, but you eliminate future taxes on growth and withdrawals. The math often works because your taxable income remains high anyway due to pension payments. You are already in a high tax bracket. Moving some money to the Roth shifts the tax burden from tomorrow, when RMDs compound the problem, to today, when the outcome was inevitable.
The strategy requires careful calculation. Work with a tax professional to model different conversion scenarios. Converting too much in a single year can push you into an even higher bracket and trigger Medicare premium surcharges based on income. The Social Security taxation rules also shift with higher adjusted gross income, meaning more of your benefits become taxable.
Timing matters. Conversions work best in years when your income dips below normal, perhaps due to job loss or a market downturn that reduced portfolio value. A gap between retirement and when RMDs begin offers a window to convert chunks of your account at presumably lower tax costs than waiting.
Pension holders should evaluate Roth conversions before age 73. Once RMDs start, your marginal tax rate often climbs beyond the point where conversions remain worthwhile. An accountant or fee-only financial planner can run projections across 10 to 20 years of retirement income to show whether Roth conversions save money on your total lifetime tax bill.