The Long View
The Long View

Christine Benz and John Rekenthaler: Revisiting What Is a Safe Retirement Spending Rate After a Tough Year

Christine and John discuss the key findings from ‘The State of Retirement Income’ study that they recently published.

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Episode Summary

Executive Summary: The episode reviews Morningstar’s 2022 State of Retirement Income Study, focusing on how much retirees can safely withdraw, how market valuations, inflation, volatility, and sequence risk affect that figure, and why flexible spending rules can materially improve outcomes. The panel compares fixed-real, inflation-haircut, guardrails, and RMD-style approaches, emphasizing trade-offs between income stability, ending wealth, and bequest goals.

Main Topics: State of Retirement Income Study goals (Priority: 5/5): Christine explains the study’s purpose: estimate safe retirement withdrawals using forward-looking assumptions rather than only historical returns, and evaluate flexible spending strategies that adapt to market conditions. Drivers of withdrawal-rate variation (Priority: 5/5): John identifies three main forces behind safe withdrawal rates over time: market returns, inflation, and volatility, noting that volatility can be especially damaging when losses occur early in retirement. Updated 2022 base-case results (Priority: 5/5): The study’s core fixed-real scenario rises from 3.3% to 3.8% because of higher expected stock and bond returns, even though inflation expectations are also higher than last year. Asset allocation and flexibility trade-offs (Priority: 4/5): The conversation explains why adding more stocks does not necessarily raise the starting safe withdrawal rate under a strict 90% success test, and why conservative portfolios can be better for fixed spending plans. Inflation risk and protection strategies (Priority: 4/5): The panel discusses how a sustained inflation shock would damage retirement income, and points to TIPS ladders as a way to lock in inflation-adjusted real income if retirees fear persistent inflation. Flexible withdrawal methods (Priority: 5/5): The episode compares the inflation-haircut method, guardrails, and RMD-style withdrawals, showing that flexibility can raise starting and lifetime withdrawal rates but increases variability or reduces ending balances. Sequence risk in 2022 and beyond (Priority: 5/5): Jeff’s section explains how early losses and inflation spikes can impair retirement sustainability, with 2022 serving as a severe example of sequence-of-returns risk for new retirees.

Key Arguments: Safe withdrawal rates are best assessed with forward-looking return, bond-yield, and inflation assumptions rather than purely historical data. Returns, inflation, and volatility jointly determine safe withdrawal rates; volatility matters because early losses force withdrawals from a depleted portfolio. The study’s base-case safe starting withdrawal rate increased from 3.3% to 3.8% because expected returns improved materially versus last year. Under a strict fixed-real, 90%-success framework, a higher stock allocation does not necessarily improve the starting withdrawal rate because equity volatility offsets higher expected return. If inflation were hypothetically twice as high while other assumptions stayed fixed, the starting safe withdrawal rate would fall sharply from 3.8% to 2.6%. For a severe inflation scenario, TIPS ladders are presented as the most direct way to secure inflation-adjusted income, whereas annuities usually do not provide inflation protection. The inflation-haircut approach raises the starting rate to 4.3% because retirees often spend less than CPI over time, but the trade-off is declining real spending later in retirement. RMD-style withdrawals generate the highest lifetime payout but create the most volatile cash flows and the least favorable bequest outcomes. Guardrails are viewed as a middle ground: they allow spending increases in good markets and cuts in bad ones, making them attractive especially for equity-heavy portfolios. Sequence risk is most damaging early in retirement because early losses and inflation shocks compound over time, whereas retirees further along have less future horizon exposed to those risks. A modest spending cut after a losing year can meaningfully improve retirement success odds, illustrating the value of flexibility when markets deteriorate. Retirees should separate long-term-care or bequest funds from spendable assets when thinking about sustainable withdrawal planning.

Data Points: Base-case starting safe withdrawal rate (2022): 3.8% - 50/50 stock-bond portfolio, 30-year horizon, 90% success rate, fixed-real withdrawals Base-case starting safe withdrawal rate (2021 study): 3.3% - Prior year’s comparable fixed-real base case Inflation-haircut starting withdrawal rate: 4.3% - Same assumptions as base case, but withdrawals rise by less than full CPI Hypothetical withdrawal rate if inflation doubled: 2.6% - John’s illustrative sensitivity analysis holding returns constant 2022 inflation forecast used in study: 2.8% - 30-year forecast from Morningstar Investment Management Prior inflation forecast used in study: 2.2% - 30-year forecast used in last year’s research Expected high-quality fixed-income return assumption: about 5% - 30-year forecast used in 2022 study Expected equity return assumption: about 9% to 12% - Varies by sub-asset class in Morningstar’s 30-year forecast Prior fixed-income return assumption: 3% - Used in the 2021 study Prior equity return assumption: as low as 6% - For core categories such as U.S. large growth in the 2021 study Success odds for retirees who followed 2021 guidance and started at 3.3% in 2022: 78% - After incorporating 2022 market and inflation conditions plus updated assumptions Success odds for retirees who started at 4.0% in 2022: about 46% to 48% - Indicates sub-50% chance of lasting 30 years under the modeled fixed-real approach Improved success odds after a 10% spending cut following a losing year: 84% - For a retiree who initially withdrew 3.3% under the study’s flexible spending test Lifetime withdrawal rate range for flexible methods: 3.9% to 5.4% - Across the study’s flexible withdrawal approaches RMD method lifetime withdrawal rate: 5.4% - Highest payout among methods tested, but with the most volatility and lowest bequest balance Guardrails method lifetime withdrawal rate on an 80/20 portfolio: 5.6% - Noted as particularly strong for equity-heavy portfolios Starting withdrawal rate possible with 30% equity tilt: 3.8% - Christine noted the base-case starting rate could still hold with equities reduced to 30% of assets Median portfolio loss after inflation for 50/50 portfolio in 2022: around 20% - Jeff cited Ibbotson data for the 12 months ending September 30, 2022 Short-horizon benchmark for 50/50 portfolio: 6.6% - Illustrative withdrawal rate for a 15-year horizon Length of time horizon modeled in base case: 30 years - Standard retirement horizon used throughout the study Probability target in base case: 90% - Defined as not outliving assets over 30 years Number of simulations/trials: 1,000 - Used to estimate outcomes for withdrawal strategies

Pivotal Quotes: "The best way to think about this and discuss this is in the context of that base case... last year it was 3.3%, a very low number... This year it was 3.8%" — Christine Benz: Explaining the year-over-year change in the study’s core safe withdrawal estimate "It's returns, inflation, and volatility." — John Reckenthaler: Summarizing the three main factors that push safe withdrawal rates higher or lower over time "You'd drop from 3.8 to 2.6%. It'd be a disaster." — John Reckenthaler: Describing the impact of a hypothetical doubling of inflation on the base-case withdrawal rate

Implications: Retirees should treat withdrawal rules as scenario-dependent, not one-size-fits-all. Flexible spending can improve outcomes, but only if retirees accept volatility, sequence risk, and trade-offs between income, ending wealth, and legacy goals.

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Expand your investing horizons and look to the long term. Join hosts Christine Benz, Dan Lefkovitz, and Amy C. Arnott as they talk to influential leaders in investing, advice, and personal finance about a wide-range of topics, such as asset allocation and balancing risk and return.

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