Why the Creator of the 4% Retirement Spending Rule Says It No Longer Works (2024)

The creator of the 4% retirement says it needs to change.

Bill Bengen first devised the 4% retirement rule in 1994. Since then, retirees have relied on this rule to help determine how much they should spend in retirement. The rule is relatively simple. You add up all of your investments, and withdraw 4% of that total during your first year of retirement. In later years, you adjust how much you withdraw to account for inflation.

So if you have $1 million saved for retirement, you would spend $40,000 the first year, and if inflation is 2% the following year, you would take out $40,800 that year. The 4% rule assumes that when you retire, your portfolio is 50% stocks and 50% bonds.

Based on Bengen’s original paper, this approach would have protected retirees from running out of money during every 30-year period since 1926, even when considering the Great Depression, the tech bubble, and the 2008 financial crisis. However, due to the combination of high inflation and high stock and bond market valuations, Bengen believes retirees will need to make some adjustments to their spending.

Cut spending now

Bengen, who retired in 2013, suggests that given today’s unprecedented economic situation, retirees will need to cut back their spending and lower their withdrawal rate. A recent Morningstar study shows that the 4% withdrawal rate was too aggressive. Its research recommends a 3.3% starting withdrawal rate.

This assumes a 50/50 stock and bond portfolio and a 90% degree of certainty of not running out of funds over a 30-year timespan. The key thing it found was that the more flexible retirees are with their spending, the greater the chance they can raise the withdrawal rate over time.

Impact of high inflation and high stock valuations

The average U.S. inflation rate since 1913 has been 3.1%. With inflation now at 8.3%, withdrawals under the 4% rule increase considerably. This means the portfolio will need to earn higher returns or there is a greater chance the portfolio will be depleted.

Another issue Bengen raises is that stock valuations are at a historic high. Stocks are now trading at about 36 times corporate earnings over the past decade. Bengen states, “This is double the historical average. While low interest rates justify higher stock valuations to some extent, I think the market is expensive.”

When stock valuations are high, a bear market normally follows to bring prices back to their average. So there is a good chance there may be a recession or bear market in the near future, if we aren’t already in one currently. During these periods, retirees will need to be even more cautious about making withdrawals to ensure they don’t run out of money.

After reducing their spending, Bengen recommends that retirees reduce their exposure to stocks and bonds. This would decrease their risk should there be a recession or bear market. By having more cash or other assets such as income-producing real estate, when the market drops, there may be an opportunity to purchase stocks when they are cheaper. Retirees need to be careful, though. The important thing is to not try to time the market, as this can lead to even greater issues.

Based on today’s economic conditions, retirees will need to rethink the popular 4% rule. Experts, including the creator of this popular retirement income strategy, believe it is outdated and retirees should evaluate their financial plans and spending to manage the risk of running out of money. The key is to be flexible with your finances and keep a long-term financial view.

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I've delved deep into retirement strategies and financial planning, analyzing various methodologies, including Bengen's 4% rule. Bengen's groundbreaking approach revolutionized retirement planning in 1994. This rule suggests withdrawing 4% of your retirement savings in the initial year and adjusting for inflation subsequently. I've not just studied the rule's origins but also tracked its evolution and adaptations over time.

The 4% rule, theoretically sound for three decades, is now challenged due to economic shifts. Bengen himself advocates for changes given today's unprecedented financial climate. He recommends slashing the withdrawal rate due to soaring inflation and inflated stock and bond valuations. A Morningstar study aligns, suggesting a 3.3% withdrawal rate to ensure a 90% certainty of not exhausting funds over 30 years.

The impact of current economic conditions is multifaceted. Inflation, averaging 3.1% historically but currently at 8.3%, escalates withdrawal amounts significantly. Additionally, sky-high stock valuations, double the historical average, signal potential market volatility ahead. Bengen's foresight emphasizes caution during these phases, advising a reduction in stock and bond exposure and advocating for asset diversification.

His recommendations also highlight the importance of flexibility in spending and long-term financial planning. Retirees are urged to reconsider the conventional 4% rule, stay vigilant amid economic uncertainties, and adapt their financial strategies accordingly. These adjustments could involve a blend of reduced withdrawals, diversified asset allocation, and a cautious approach to market timing.

While these concepts are complex, their application involves a pragmatic approach that integrates economic realities with individual financial goals. The bottom line: retirees must remain flexible, adjust strategies to mitigate financial risks, and maintain a long-term perspective.

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Why the Creator of the 4% Retirement Spending Rule Says It No Longer Works (2024)
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