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Is the 4% rule still safe in today’s markets?

Financial Toolset Team4 min read

Research suggests 3.5–4% remains reasonable for 30‑year retirements with diversified portfolios, but flexibility helps. Dynamic guardrails and temporary cuts after large drawdowns can improve succe...

Is the 4% rule still safe in today’s markets?

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Is the 4% Rule Still Safe in Today’s Markets?

Navigating retirement planning can feel like trying to predict the weather: you prepare as best you can, but there's always an element of uncertainty. One of the most prevalent guidelines for retirement withdrawals is the 4% rule, a strategy developed nearly three decades ago. However, with today's fluctuating markets, many wonder if this rule still provides a safe harbor. In this article, we'll delve into the nuances of the 4% rule, assess its current applicability, and provide actionable insights for your retirement strategy.

Understanding the 4% Rule

The 4% rule was introduced by financial planner Bill Bengen in 1994. It suggests that retirees can withdraw 4% of their retirement portfolio in the first year, followed by inflation-adjusted withdrawals annually, to last for a 30-year retirement. This was based on historical data showing a high success rate of portfolio sustainability over this period.

Current Market Conditions

Today's market conditions present new challenges that weren't as prominent when the rule was first introduced. Recent research indicates that while a 4% withdrawal rate had nearly universal success historically, the future may require a more nuanced approach. For instance, Morningstar's updated research points to a safe withdrawal rate of about 3.7% in 2024, influenced by current equity valuations and bond yields.

Moreover, Bengen himself has revisited his original findings, suggesting that with a diversified portfolio—consisting of 55% stocks, 40% bonds, and 5% cash—a 4.7% withdrawal rate could be sustainable under certain conditions. This higher rate assumes regular portfolio rebalancing and a set 30-year retirement horizon.

Key Considerations for Modern Retirees

Age-Based Adjustments

Your age at retirement plays a critical role in determining a safe withdrawal rate. Younger retirees (ages 50-55) should consider a lower rate of 3.0%-3.5% due to potentially longer life expectancies. Conversely, those 80 and older might safely withdraw 5.0%-6.0%, reflecting a shorter time horizon.

Flexibility Over Rigidity

The 4% rule is a guideline, not a mandate. By maintaining flexibility with your withdrawal rate, you can adapt to changing market conditions. This could mean adjusting your spending rate annually, allowing you to spend more in good years and tighten the belt during downturns, thereby increasing the longevity of your portfolio.

Real-World Application

Consider a retiree with a $1 million portfolio. According to the traditional 4% rule, they would withdraw $40,000 in the first year. However, with Bengen's updated advice, the withdrawal could increase to $47,000, assuming a diversified portfolio and stable market conditions. If we're more conservative, reflecting current market analyses, a 3.7% rate would suggest a $37,000 withdrawal, potentially offering a safer path given today's economic uncertainties.

Common Mistakes and Considerations

Bottom Line

The 4% rule remains a useful starting point for retirees but should be adapted to fit individual needs and current market conditions. A safe withdrawal rate today might range from 3.7% to 4.0%, depending on your portfolio and financial goals. It’s essential to consider factors like age, portfolio composition, and spending flexibility to ensure your retirement funds last. By staying informed and adaptable, you can better navigate the complexities of retirement planning.

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Research suggests 3.5–4% remains reasonable for 30‑year retirements with diversified portfolios, but flexibility helps. Dynamic guardrails and temporary cuts after large drawdowns can improve succe...