Warren Buffett's 90/10 rule is a simple investment strategy he outlined in his 2013 letter to Berkshire Hathaway shareholders, designed for average investors to maximize long-term growth while minimizing risk and management fees. Investopedia +1
The 90/10 strategy offers a number of benefits: Long-term returns. Limited risk. While a 90% allocation to equities might make some investors a bit nervous, the risk is limited by the diversification provided by a broad index fund and the quality and size of its companies.
In Buffett's own words: “Rule number one: never lose money”. And just to emphases how important this golden rule is: “Rule number two: never forget rule number one”.
Warren Buffett's 90/10 investment strategy for average investors is easy to implement but requires patience over the long haul. Warren Buffett's 90/10 strategy involves allocating 90% of assets to a low-cost S&P500 index fund and 10% to short-term government bonds.
How It Works in Practice
Only 3.2% of American retirees have $1 million or more in their retirement accounts. The average retirement savings for households between the ages of 65 and 74 is $609,000, while the median is only about $200,000. The number of "401(k) millionaires" in America reached a record of about 497,000 in 2024.
A 70-year-old, for example, would keep 30% of their portfolio in stocks and the rest in safer investments like bonds and savings accounts. But with longer life expectancies and rising costs, many experts now suggest a more growth-oriented formula: the “120 minus age” rule.
The main criticism of the 90/10 allocation is its high risk and potential for volatility. By contrast, another well-known strategy suggests subtracting your age from 110 and putting that percentage into stocks, with the rest going into bonds.
In general, stocks have greater potential returns than bonds. The 90/10 portfolio's large allocation of stocks means that it will, over the long run, tend to perform better than a portfolio that has a smaller allocation of stocks. Between 1926 and 2022, a 90/10 portfolio produced average returns of 9.9%.
The 'billionaire next door' bows out. Warren Buffett, the legendary investor who made billions at the intersection of Wall Street and Main Street, retires as CEO of Berkshire Hathaway at age 95. After 55 years, it's Warren Buffett's last day as chief executive of investing juggernaut Berkshire Hathaway.
So of course Elon Musk had something to say about one of the most prominent billionaires in the world: Warren Buffett. “To be totally frank, I'm not his biggest fan,” Musk told Joe Rogan on an episode of “The Joe Rogan Experience” podcast. "He does a lot of capital allocation.
Buffett views buying ConocoPhillips at high prices as a costly error. The investment in U.S. Air highlighted issues with capital-intensive business models. Skipping investment in Google was a missed opportunity for Buffett. Buffett acknowledges the acquisition of Dexter Shoes was a significant financial mistake.
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Buffett's 90/10 rule works best for long-term investors with a horizon of at least 10 years. It suits those comfortable with stock market swings and confident in U.S. economic growth. However, the strategy may be too aggressive for retirees or conservative investors.
With $900,000 saved, and factoring in an average annual rate of return between 10–12%, you'll have between $90,000 and $108,000 to live off of each year, not including your Social Security benefits.
Only 3.2% of retirees have $1 million in retirement accounts vs. about 2.6% of Americans in general. The average retirement savings for households aged 65-74 is $609,000, while the median is only about $200,000. The number of "401(k) millionaires" in America reached a record of about 497,000 last year.
A 5 million percent return in 60 years leaves Warren Buffett's legacy unmatched. Warren Buffett has handed over the CEO reins to Greg Abel after a six-decade run. From 1964 to 2024, Berkshire delivered a compounded annual gain of 19.9%, nearly double the S&P 500's 10.4%.
Here are the most effective ways to earn money and turn that 10K into 100K before you know it.
Key Takeaways. Warren Buffett's 90/10 strategy involves allocating 90% of assets to a low-cost S&P 500 index fund and 10% to short-term government bonds. The 90/10 rule offers simplicity, lower fees, and the potential for higher returns.
In his article for the Journal of Retirement, titled "Global Asset Allocation in Retirement: Buffett's Advice and a Simple Twist," Estrada argues that a 90/10 (stock/bond) allocation has a low failure rate, good downside protection, and high upside potential — a winning combination.
As of February 2026, in the previous 30 Years, the Bill Bernstein Sheltered Sam 90/10 Portfolio obtained a 9.03% compound annual return, with a 13.79% standard deviation.
How many Americans have $500,000 in retirement savings? Of the 54.3% of U.S. households that have any money in retirement accounts, only about 9.3% have $500,000 or more in retirement savings.
Not Saving Enough
If there's one regret that rises above all others, it's this: not saving enough. In fact, a study from the Transamerica Center for Retirement Studies shows that 78% of retirees wish they had saved more.