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Best Global Index Funds for Long Term Growth

The best global index fund for long-term growth is often one that tracks a broad, all-world index with a very low expense ratio. Funds like the Vanguard Total World Stock Index Fund offer maximum diversification across thousands of stocks in both developed and emerging markets, simplifying your investment strategy.

TrustyBull Editorial 5 min read

Quick Picks: Top Global Index Funds at a Glance

Did you know that most professional money managers fail to beat the market? Over a 15-year period, more than 90% of active fund managers underperform their benchmark index. This simple fact is why investing in global stock market indices is such a powerful strategy. You get broad market returns at a very low cost. You simply buy the whole haystack instead of looking for the needle.

If you're short on time, here are the top picks for long-term growth:

  • Best Overall: Vanguard Total World Stock ETF (VT)
  • Best for Zero Fees: Fidelity ZERO International Index Fund (FZILX)
  • Best for Developed Markets: Schwab International Index Fund (SWISX)

How We Chose the Best Funds Tracking Global Stock Market Indices

Picking the right fund can feel complicated, but it comes down to a few key factors. We didn't just pick names out of a hat. Our choices are based on criteria that directly impact your long-term returns. Here is what you should look for.

Expense Ratio

The expense ratio is what the fund company charges you each year to manage your money. It's a percentage of your total investment. While a fee like 0.10% sounds tiny, it adds up over decades and eats into your profits. With index funds, the goal is to get this number as close to zero as possible. All of our top picks have extremely low fees.

Index and Diversification

What does the fund actually track? A good global index fund should give you exposure to thousands of companies across dozens of countries. We looked for funds that track broad, well-established indices like the FTSE Global All Cap or the MSCI ACWI. This ensures you own a piece of both developed markets (like the USA, Japan, and Germany) and emerging markets (like China, India, and Brazil).

Tracking Error

An index fund's job is simple: copy its benchmark index perfectly. The tracking error measures how well it does this job. A low tracking error means the fund's performance will be almost identical to the index it's supposed to follow. Large, established fund providers like Vanguard, iShares, and Schwab are excellent at minimizing this error.

Ranked: The Best Global Index Funds for Your Portfolio

Here is our ranked list of the best global index funds available to most investors. We have a clear winner, but the other options are strong contenders depending on your specific needs and brokerage platform.

#1. Vanguard Total World Stock Index Fund (VT/VTWAX)

Why it's the best: This is the gold standard for global diversification. The Vanguard Total World Stock fund tracks the FTSE Global All Cap Index, which includes over 9,500 stocks in more than 45 countries. It is the ultimate one-and-done solution. You get exposure to large, mid, and small-cap companies across both developed and emerging markets. With a single purchase, you own a piece of nearly every publicly traded company in the world. Its expense ratio is incredibly low, making it a top choice for cost-conscious investors.

Who it's for: The hands-off investor who wants maximum simplicity and diversification. If you want to own just one stock fund that covers the entire globe, this is it.

#2. iShares MSCI ACWI ETF (ACWI)

Why it's good: The ACWI fund is very similar to Vanguard's VT. It tracks the MSCI All Country World Index, which covers about 2,900 stocks in developed and emerging markets. While it holds fewer stocks than VT, it still provides excellent global diversification. It is managed by BlackRock's iShares, another giant in the industry known for high liquidity and tight tracking. The expense ratio is a bit higher than VT's, which is why it comes in at number two, but it's still very reasonable.

Who it's for: Investors who prefer the MSCI benchmark or those who want an extremely liquid ETF from a provider other than Vanguard.

#3. Fidelity ZERO International Index Fund (FZILX)

Why it's good: You can't beat a zero percent expense ratio. This fund from Fidelity has no management fee. It tracks a custom Fidelity index of international stocks, covering both developed and emerging markets. The big catch? It is an international fund, meaning it excludes US stocks. You need to pair it with a US index fund (like Fidelity's FZROX) to get total world exposure. Also, you can only buy it if you have a Fidelity brokerage account.

Who it's for: Fidelity customers who want to build a completely free-to-own global portfolio by combining this fund with a US index fund.

Fund NameIndex TrackedExpense RatioPrimary Focus
Vanguard Total World Stock (VT)FTSE Global All CapVery LowEntire World (Developed & Emerging)
iShares MSCI ACWI (ACWI)MSCI ACWILowEntire World (Developed & Emerging)
Fidelity ZERO International (FZILX)Fidelity Global ex-U.S. IndexZeroWorld Excluding USA

Developed vs. Emerging Markets: What's the Right Mix?

When you invest globally, you are buying into two main types of economies: developed and emerging.

  • Developed Markets: These are wealthy countries with stable economies and established financial systems. Think of the United States, Japan, the United Kingdom, and Germany. They are generally considered lower risk and make up the bulk of global market value.
  • Emerging Markets: These are countries with developing economies that are growing quickly. Think of China, India, Brazil, and Taiwan. They offer the potential for higher returns but also come with greater volatility and risk. You can find useful data on these economies from sources like the World Bank.

So, what's the correct allocation? The good news is that funds like VT and ACWI do the work for you. They weight countries by their market capitalization. This means you automatically get a mix that reflects the current state of the world economy, typically around 85-90% developed and 10-15% emerging markets.

Are Global Index Funds Really All You Need?

For many people, a single global index fund is a fantastic foundation for a portfolio. It solves the biggest challenge in investing: diversification. By owning thousands of stocks, you are protected from the failure of any single company or even a single country's economy.

However, it's not a magic bullet. You still face market risk; if the entire global economy goes down, your investment will too. You also have no control over the individual holdings. You own the great companies along with the not-so-great ones. Finally, there's currency risk. When you own foreign stocks, fluctuations in exchange rates can affect your returns.

Despite these points, the benefits of simplicity, low cost, and broad diversification make global index funds one of the best tools for building long-term wealth.

Frequently Asked Questions

What is the best global index fund?
The Vanguard Total World Stock Index Fund (VT/VTWAX) is often considered the best due to its comprehensive coverage of over 9,000 stocks worldwide and its extremely low expense ratio.
Should I invest in a global index fund?
Yes, a global index fund is an excellent choice for most long-term investors. It provides instant diversification across countries and companies, reducing risk and simplifying portfolio management.
What is the difference between a global and an international index fund?
A 'global' or 'world' index fund typically includes stocks from all countries, including your own (e.g., the US). An 'international' index fund usually excludes your home country, focusing only on foreign stocks.
How much of my portfolio should be in global index funds?
Many financial advisors suggest allocating between 20% and 40% of your stock portfolio to international equities. A single all-world fund can cover this entire allocation easily.