There are many exchange-traded funds (ETFs) on the ASX for Australian investors to choose from.
If I were putting money into the market today, these are a few Vanguard ETFs I'd be happy to buy for my portfolio.

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Vanguard MSCI Index International Shares ETF (ASX: VGS)
The VGS ETF could be a great pick for Australian investors wanting global exposure.
It provides access to a wide range of developed-market companies, particularly in the United States, but also across Europe and other major economies.
What I like about it is that it captures many of the world's most dominant businesses in one place. These are companies with global reach, strong margins, and the ability to keep growing regardless of what's happening in any single country.
Rather than trying to pick which global winners will outperform, this ETF lets you own a broad slice of them.
It also reduces reliance on the Australian market, which traditionally is heavily concentrated in banks and miners. And while that concentration is good when the banks and miners are charging higher, it can be bad when the cycle turns. As a result, the VGS ETF's diversification alone could make it a valuable building block in a portfolio.
Vanguard FTSE Asia Ex-Japan Shares Index ETF (ASX: VAE)
The VAE ETF adds an entirely different dimension.
It provides exposure to some of the world's fastest-growing economies. This includes countries like China, India, and Taiwan.
These markets don't always move in line with the US or Australia. That can create periods of volatility, but it also opens the door to growth that isn't available in more mature economies.
What stands out to me is the long-term story. Rising middle classes, increasing digital adoption, and ongoing industrial development are powerful forces that could drive growth for many years.
It's not the smoothest ride, but that's part of the trade-off when investing in developing regions.
Vanguard Diversified High Growth Index ETF (ASX: VDHG)
Lastly, the VDHG ETF also takes a different approach.
Instead of targeting a specific region, it bundles together a diversified portfolio of growth assets, including Australian shares and international equities.
To me, this is one of the simplest ways to invest.
It's essentially a ready-made portfolio that is designed for long-term growth. There's no need to constantly rebalance or decide how much to allocate to each market. That's handled within the fund.
What I find appealing is how it combines convenience with diversification. For investors who don't want to spend time managing multiple positions, it offers a straightforward way to stay invested in global growth.
Foolish Takeaway
I think ETFs are one of the easiest ways to invest in the market. But with so much choice, it can be hard to decide which funds to buy.
The VGS, VAE, and VDHG ETFs each offer a slightly different way to invest, but all provide broad exposure and long-term growth potential.
For me, they're simple options I'd be happy to buy and hold.