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The Father of the 4% Rule Says Retirees Can Take Out Much More

Jul 25, 2026 · 22m

Summary

Motley Fool host Robert Brokamp interviews William Bengen, creator of the 4% rule, about his new book arguing retirees can safely withdraw more. They discuss how market valuations, inflation, and asset allocation impact safe withdrawal rates, suggesting rates up to 5.5% or higher are viable. Bengen also shares insights on portfolio diversification and the importance of the first decade of retirement.

Topics discussed

Introduction: Re-airing interview with Bill Bengen on the 4% rule Bill Bengen's background and origin of the 4% rule research Evolution of the Safe Max withdrawal rate to 4.7% Historical average withdrawal rates and success probabilities Impact of market valuation (CAPE) on safe withdrawal rates The critical role of inflation in retirement portfolio longevity Sponsored segment: Claude AI for research and analysis Current recommendations: 5.5% withdrawal rate in today's market Why the first decade of retirement is the most critical period Withdrawal schemes and the impact of retirement time horizon Asset allocation strategies: Stocks, bonds, and diversification Sponsored segment: Range Rover Sport advertisement Sponsored segment: Rhythm at-home blood testing Diversification benefits and the cash vs. bond allocation split Rebalancing frequency and increasing stock allocation over time Bill Bengen's personal retirement advice and closing remarks
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