Dave Ramsey on Why Index Funds vs. Mutual Funds Misses the Real Point About Building Wealth

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By Don Lair Updated Published
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Dave Ramsey on Why Index Funds vs. Mutual Funds Misses the Real Point About Building Wealth

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Dylan from New Mexico asked Dave Ramsey a fair question on a recent episode of The Ramsey Show: if active funds rarely beat the index, why bother with Ramsey’s four-fund split across small-cap, mid-cap, large-cap, and international? Ramsey’s answer cut past the math and landed on something most investors underweight: their own behavior.

The Behavior Argument

Ramsey’s central point was blunt. “100% of the people that invest end up with more money than those that don’t. Every time. And that’s the number you need to concentrate on,” he said. He framed the index-versus-active debate as a distraction from the harder problem: “people who invest in slightly substandard mutual funds way outperform those who never invest.”

The savings data backs him up. The U.S. personal savings rate slid from 4.5% in January 2026 to 3.9% in February, then to 3.6% in March, and fell further to 3.0% in both April and May, according to the Bureau of Economic Analysis. Americans are earning more and saving less, with per capita disposable income continuing to climb even as the fraction set aside keeps shrinking. Consumer sentiment has compounded the problem. The University of Michigan’s index hit an all-time low of 44.8 in May 2026, driven largely by surging gasoline prices tied to the Iran conflict, before recovering to 49.5 in June. That June reading still sits nearly 20% below a year ago and 13% below February 2026, the month before the Iran conflict began. Year-ahead inflation expectations held at a still-elevated 4.6% in June, and for the third straight month, over half of survey respondents spontaneously cited high prices as weighing down their personal finances. Pessimism is the easy excuse to skip the 401(k) contribution.

The Academic Case for Indexing Is Real

Ramsey did not dispute the research. “Individual mutual funds in the growth mutual fund sector, less than half of them beat the S&P,” he acknowledged, crediting Vanguard founder John Bogle for building the first S&P index fund on that insight. The latest data from S&P Global’s SPIVA Year-End 2025 Scorecard puts the problem in sharper relief: 79% of all active large-cap U.S. equity funds underperformed the S&P 500 in 2025, the fourth-worst showing in the study’s 25-year history. Stretched over 15 years, not a single one of 22 U.S. equity fund categories had a majority of active managers outperform their benchmarks. Extend the window to 20 years and the picture is starker still: roughly 92% of domestic funds trailed their benchmarks over that span.

A counter-argument has emerged, worth noting for balance. A 2026 study sponsored by the Investment Adviser Association challenged SPIVA’s methodology, arguing that the scorecard’s treatment of closed or merged funds as automatic underperformers overstates how badly active management fares. When the researchers weighted results by fund assets and tracked performance only for a fund’s actual lifespan, the asset-weighted underperformance rate over 20 years fell from 92% to roughly 55%, close to a coin flip. S&P Dow Jones Indices defended its approach, noting that SPIVA deliberately measures the proportion of funds that underperform rather than the proportion of assets, offering a clear view of manager performance independent of fund size. Investors can weigh both readings; the two studies are answering slightly different questions.

The cost gap reinforces the headwind regardless of which study one favors. The Vanguard 500 Index Fund Admiral Shares (VFIAX) carries an expense ratio of 0.04%, and SPDR S&P 500 ETF Trust (NYSEARCA:SPY) sits at 0.0945%, confirmed by State Street’s own fund page. Active funds routinely charge ten to twenty times that, creating a compounding performance hurdle that becomes harder to clear as time horizons extend. SPY now holds approximately $779 billion in assets, a scale that reflects decades of investor preference for low-cost passive exposure.

The returns have rewarded patient holders. SPY is up roughly 314% over the past ten years and about 85% over the past five. The trailing twelve-month total return through early July 2026 stands near 21%. Current figures are available directly through State Street’s SPY fact sheet.

Ramsey’s Four-Fund Tilt

His own portfolio holds four mutual funds across small-cap, mid-cap, large-cap, and international, with co-host Rachel Cruze noting that the 25% international slice provides ballast: “If you look at the S&P 500 and it’s down in a given year, the international fund usually is up.” Ramsey claims his selections have outperformed their benchmarks, though he declines to name them publicly. The international diversification argument earned extra credibility in 2025, when the MSCI All Country World ex-USA index gained 29.2% compared to the S&P 500’s 16.39% return, a gap of nearly 13 percentage points in U.S. dollar terms. A weakening dollar, European fiscal stimulus, and AI-driven gains across Asian chipmakers and tech companies all contributed to that spread.

What to Watch

Ramsey closed with a concession most index advocates will welcome: “If you don’t want to do that and you just want to put it in the S&P, you’re gonna end up with a lot of money. And we’ll be happy for you. We’re not mad at you.” On the millionaires he has studied, “They just said, ‘Oh, I got a 401(k) at work and I’m gonna put some money in a growth stock mutual fund and now I’m a millionaire.'” The fund label mattered less than the automatic contribution that funded it for three decades. That is the core of Ramsey’s argument: the vehicle is secondary to the discipline of getting in and staying in, a point that holds whether markets are calm or, as in mid-2026, rattled by geopolitical shocks, record-low consumer confidence, and a personal savings rate that has now dipped to 3.0%.

Editor’s note: This article was updated to reflect the Bureau of Economic Analysis personal savings rate of 3.0% for both April and May 2026 (extending the previously cited March 2026 figure of 3.6%), the University of Michigan June 2026 inflation expectations reading of 4.6%, and revised SPY assets under management of approximately $779 billion as of early July 2026. The international-market outperformance for 2025 was specified as a 29.2% gain for the MSCI All Country World ex-USA versus a 16.39% return for the S&P 500, and a newly published Investment Adviser Association counter-study challenging SPIVA’s methodology was added for balance alongside the 20-year SPIVA underperformance figure of roughly 92%.

Contact [email protected] for any questions or corrections.

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About the Author Don Lair →

Don Lair writes about options income, dividend strategy, and the kind of boring-but-durable investing that actually funds retirement. He's the founder of FITools.com, an independent contributor to 24/7 Wall St., and a former writer for The Motley Fool.

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