The Best Index Funds for Long-Term Retirement Growth

Four funds — total US market, total international, total bond, and an all-in-one target date — cover 95% of real-world portfolios.

There are thousands of index funds, but only a handful actually matter for long-term retirement growth. Once you understand the four building blocks, you can ignore almost every fund 'recommendation' you'll ever read.

The four building blocks

1) Total US Stock Market (VTI, FZROX, SCHB). 2) Total International Stock (VXUS, FZILX, SCHF). 3) Total US Bond Market (BND, FXNAX, SCHZ). 4) Target-Date Retirement Funds (Vanguard 2055, Fidelity Freedom Index 2055), which combine all three and shift the mix automatically as you age.

Simple, sane portfolios

One-fund: a single target-date index fund. Done. Three-fund: 60% total US / 20% international / 20% bonds, rebalanced annually. Both will beat the vast majority of actively managed retirement accounts over a 30-year horizon.

What to ignore

Sector funds (tech, AI, EV, clean energy). Single-country funds. Most 'thematic' ETFs. They're almost always launched after a sector has already run, and their expense ratios are 5–10x higher than total-market funds.

Key takeaways
  • Four funds cover 95% of real portfolios.
  • A target-date fund is a complete portfolio in one ticker.
  • Skip thematic ETFs — they're launched after the run is over.
Recommended books for this topic

Go deeper with these

These are affiliate links. As an Amazon Associate we earn from qualifying purchases — at no extra cost to you.