57 practical, evidence-based guides on index fund investing. No products sold, no financial advice — just honest content.
The best starting points for new index fund investors
The best index funds charge 0.00-0.04% annually. Actively managed funds average 1%+. Over 30 years, this difference compounds to hundreds of thousands of dollars.
Over 90% of actively managed funds underperform their benchmark index over 15 years. The S&P 500 has returned ~10%/year since 1957.*
One index fund can own 500, 3,500, or even 8,000 companies simultaneously — eliminating single-stock risk automatically.
No stock research, no earnings calls, no timing decisions. Set up automatic monthly investments and let compound interest do the work.
Index funds have low portfolio turnover, generating fewer taxable events than actively managed alternatives — keeping more money in your account.
The world's greatest investor recommends S&P 500 index funds for ordinary investors — and instructed his own estate to use them.
Use our free compound interest calculator to see exactly how index fund investing can grow your wealth over time.
Try the Calculator →Practical, evidence-based guides updated September 2026
*S&P 500 average annual return ~10% (1957–2024, pre-inflation adjustment). Past performance does not guarantee future results. IndexFunds.Guide is an independent educational website. Not financial advice.