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7 Popular Vanguard Index Funds for 2026

Vanguard index funds kicked off the passive-investing revolution, in which investors try to meet rather than beat market moves for long-term gains.

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Chris Hutchison helped build NerdWallet's editorial operation and has directed coverage across banking, investing, taxes and insurance. He now leads a team exploring new verticals. Before joining NerdWallet, he was an editor and programmer at ESPN and an editor at the San Jose Mercury News.

For most of the 20th century, active trading — where fund managers try to beat the market's returns — held sway. In 1976, Vanguard founder John Bogle introduced the first publicly available index fund, forever changing the way we invest.

Index funds, which seek to simply match the rise and fall of the broader market, have proved more popular and profitable for the average investor for two reasons: markets tend to rise over time, and index funds charge lower fees, allowing investors to keep more of their money in the market.

When it comes to investing in index funds, many turn to Vanguard, which has $12 trillion in assets under management

» Jump to our list of the best Vanguard index funds

What is a Vanguard index fund?

As total stock market values tend to rise over time, index funds harness this trend by capturing entire market gains for investors rather than actively investing in individual stocks. Vanguard index funds track the performance of a single market index — such as the S&P 500 or Nasdaq — to mirror its total market returns.

How do Vanguard index funds work?

Vanguard creates index funds by buying securities that represent companies across an entire stock index or that are targeted to specific groups (e.g., an industry sector, similarly sized companies, or firms in the same part of the world). Individual investors purchase shares of the fund that interests them, claiming a slice of its returns.

Vanguard also offers index funds that mirror the bond markets. These funds buy and sell government and corporate debt and are considered safer investments, but they typically have smaller returns.

Brokerage firms

on Charles Schwab's website

on E*TRADE's website

on Vanguard's website

on Fidelity's website

What are the best Vanguard index funds?

Vanguard offers many index funds to choose from. Which fund is best for you depends on your portfolio mix and what you can afford, given account minimums and fees. You can also check the fund’s historical performance — with the standard caveat that past performance does not guarantee future results.

Vanguard 500 Index Fund (VFIAX)

Also known as the Vanguard S&P 500 Index fund, this is the one that started them all, giving investors exposure to 500 of the largest U.S. companies, which make up approximately 80% of the U.S. stock market’s total value.

Vanguard Total Stock Market Index Fund (VTSAX)

If over three-quarters of the U.S. stock market is not enough for you, VSTAX gives you even more. This fund covers the entire U.S. equity market, including small-, mid-, and large-cap growth and value stocks.

Vanguard Growth Index Fund (VIGAX)

This fund takes a buy-and-hold approach to stocks in large U.S. companies in sectors with higher growth potential, such as technology, consumer services and financial services.

Vanguard Small Cap Index Fund (VSMAX)

Big companies aren’t the only potentially profitable players in the stock market. This fund targets smaller publicly held companies for investors who want to diversify investments away from larger public companies.

Vanguard Total Bond Market Index Fund (VBTLX)

This fund provides broad exposure to U.S. investment-grade bonds, allocating about 30% to corporate bonds and 70% to U.S. government bonds.

Vanguard Balanced Index Fund (VBIAX)

As the name suggests, this fund allocates its investments between stocks (roughly 60%) and bonds (about 40%) to balance growth through equity exposure with stability from fixed-income investments.

Vanguard Total International Stock Index Fund (VTIAX)

For investors interested in exposure beyond the U.S. market, this fund tracks stock indexes in both developed and emerging markets worldwide.

Source: Vanguard. Data is current as of April 10, 2026, and is intended for informational purposes only, not for trading purposes.

» See how to invest in index funds for beginners

How much does it cost to buy Vanguard index fund shares?

You make an initial minimum investment and pay annual costs to maintain the fund — known as an expense ratio — based on a small percentage of your cash invested in the fund.

Most Vanguard index funds are in the Admiral Shares class. These funds have a $3,000 minimum investment, and expense ratios range from 0.04% to 0.58%

Vanguard used to offer an Investor Shares class of funds to individual investors, but this has largely been phased out. For funds that are still in Investor Shares, the minimum investment is the same as the Admiral Shares minimum, but expense ratios usually run higher.

Even so, Vanguard's expense ratios are among the lowest out there. And in early 2026, the provider cut costs even further, reducing expense ratios for 84 of its mutual funds and ETFs

Another way investors can get a piece of index fund action is by buying exchange-traded funds. These funds carry no minimum investment and can be bought and sold throughout the day like stocks. They're also usually more tax-efficient than index funds.

» More: See the best-performing Vanguard ETFs

Are Vanguard index funds a good investment?

All investments carry risk, and Vanguard index funds are no exception. But Vanguard has a long history of strong performance — and passively investing in index funds is so popular because most actively managed funds fail to consistently outperform the market.

As with all mutual funds, a key benefit of Vanguard index funds is instant diversification, spreading risk and dampening volatility, since broader stock market swings are less pronounced than the rise and fall of any one company's shares.

How to purchase Vanguard index funds

If you're ready to purchase Vanguard index funds, our Vanguard brokerage review can help you decide whether to buy directly from the company or through another broker (many of which also sell Vanguard index funds). You’ll need to choose the type of account you’d like to open, such as a traditional or Roth IRA, or a taxable account.

Finally, decide which index fund shares you’d like to purchase depending on how much you have to invest, and whether to make monthly additional share purchases in the fund.

» Interested in buying Vanguard funds from a different broker? See our picks for the best brokers for funds

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