The SPIVA Data: Active vs. Passive Over Time
SPIVA: Percentage of active fund managers underperforming their index benchmark (approximate, Year-End 2024)
| Fund Category | 1 Year % Underperforming | 5 Year % Underperforming | 15 Year % Underperforming |
|---|---|---|---|
| U.S. Large Cap Active Funds | ~50% | ~75% | ~88% |
| U.S. Mid Cap Active Funds | ~55% | ~78% | ~91% |
| U.S. Small Cap Active Funds | ~45% | ~72% | ~84% |
| International Active Funds | ~50% | ~75% | ~87% |
| Emerging Market Active Funds | ~55% | ~75% | ~85% |
| Investment Grade Bond Active Funds | ~55% | ~80% | ~90% |
Why Active Management Structurally Fails
Active management underperforms for structural reasons, not manager incompetence. First, the total return of all investors in a market must equal the market return before costs. Active managers, as a group, cannot outperform themselves. Second, active fund fees average 0.50% to 1.25% per year versus index fund fees of 0.03% to 0.15%. This fee disadvantage is permanent and compounding. Third, trading costs from active management (commissions, bid-ask spreads) further reduce net returns. Even the few managers who outperform one decade rarely sustain it the next.
Of the top-performing active managers in any given 5-year period, fewer than 20% maintain top-quartile performance in the next 5-year period. Identifying future winners from past performance is essentially random. This persistence problem means that even if you could identify today which active funds will outperform the next five years, you cannot predict which will outperform in years six through fifteen. Index funds maintain their advantage indefinitely because the advantage comes from lower fees, not manager skill.
The Best Passive Index Funds in 2025
Top passive index funds and ETFs in 2025 by provider, coverage, and expense ratio
| Fund | Provider | What It Holds | Expense Ratio | Account |
|---|---|---|---|---|
| FXAIX (S&P 500 Index) | Fidelity | 500 U.S. large cap stocks | 0.015% | Any Fidelity account |
| FZROX (Zero Total Market) | Fidelity | All U.S. stocks ~4,000 | 0.000% | Any Fidelity account |
| VTI (Total Market ETF) | Vanguard | All U.S. stocks ~4,000 | 0.03% | Any brokerage |
| VOO (S&P 500 ETF) | Vanguard | 500 U.S. large cap stocks | 0.03% | Any brokerage |
| VXUS (Total Intl ETF) | Vanguard | 8,000+ non-U.S. stocks | 0.07% | Any brokerage |
| BND (Total Bond ETF) | Vanguard | All U.S. investment-grade bonds | 0.03% | Any brokerage |
| SWPPX (S&P 500 Index) | Schwab | 500 U.S. large cap stocks | 0.02% | Any Schwab account |
The Fee Impact Over 30 Years
On $500 per month invested for 30 years at 7% gross returns: a 1.0% fee fund produces $531,000 in final wealth, paying approximately $81,000 in fees. A 0.05% fee fund produces $609,000, paying approximately $3,000 in fees. The $78,000 difference is the compounded cost of paying 0.95% more in annual fees. This is why the specific funds you choose matter almost as much as the contribution amount. The top passive index funds reduce this fee drag to near-zero.
Is There Ever a Case for Active Management?
In narrow categories where markets are less efficient, such as emerging market small-cap stocks or niche bond categories, active management may have more potential to add value. But these opportunities are small, the manager selection problem remains, and the fees are still higher. For core equity and bond allocation (80% to 90% of most portfolios), passive index investing is the evidence-based optimal approach. Any addition of active management should be a small, deliberate allocation to a specific manager with a provable systematic edge, not a default choice.
Compare 7% (Index) vs. 6% (Active Net) Returns
Enter the same monthly contribution at 7% and 6% to see the 30-year fee cost in dollar terms.