Vanguard offers plenty of exchange-traded funds (ETFs), which can make choosing between them harder than it first appears.
I think the best place to start is with what an investor wants the fund to achieve.
The three Vanguard ETFs below could each be strong buys for different reasons.
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Vanguard Diversified High Growth Index ETF (ASX: VDHG)
Some investors want broad exposure without having to assemble and maintain a collection of shares or funds.
That is where this Vanguard ETF stands out. The VDHG ETF combines Australian shares, international shares, emerging markets, and a smaller allocation to defensive assets inside one investment. Vanguard also handles the rebalancing, so the portfolio does not gradually drift away from its intended structure.
I think that simplicity can be strong over a long holding period.
Investors can keep adding money without having to decide which country or asset class to allocate to next. They also avoid the temptation to keep changing the portfolio whenever one market becomes popular.
The fund still has a growth-focused structure, so its value can fall during weak share market periods. But for someone looking for an all-in-one investment that can sit at the centre of a long-term strategy, I think this ETF is a strong option.
Vanguard MSCI International Small Companies Index ETF (ASX: VISM)
Many global ETFs are dominated by businesses that investors already know.
The VISM ETF looks further down the market. It gives investors exposure to smaller companies across developed markets outside Australia. These businesses operate across a wide range of industries and can include companies serving local markets, specialist niches, and emerging areas of demand.
I like this approach because the world economy extends far beyond the largest technology companies and consumer brands.
Smaller businesses can have more room to expand from their current size, particularly when they find a strong position in a growing market. A broad ETF spreads the investment across many companies rather than relying on one small-cap idea working out.
The trade-off is greater volatility. Smaller companies can be more sensitive to borrowing costs, economic conditions, and changes in investor confidence.
I would consider the VISM ETF as a long-term addition alongside a broader international ETF, especially for investors whose global exposure is concentrated in the market's biggest names.
Vanguard Australian Shares High Yield ETF (ASX: VHY)
The third ETF is aimed more directly at income.
This Vanguard ETF invests in Australian companies selected for their higher dividend yields. That can appeal to retirees and other investors who want their portfolio to produce regular distributions.
Australian companies also have the potential to attach franking credits to their dividends, which may improve the after-tax outcome for eligible investors.
I think the appeal here goes beyond the headline payout. A well-built income strategy can reduce the need to sell shares whenever cash is required.
Investors should still pay attention to where the income comes from. The Australian market has a strong presence from banks and resources companies, and their dividends can rise or fall with profits and economic conditions.
The VHY ETF could therefore suit investors who want higher income and understand that distributions will not remain identical every year.
Foolish takeaway
I think the strongest ETF decisions begin with giving each fund a clear purpose.
One investor may value the convenience of having an entire portfolio managed inside a single ETF. Another may want to widen global exposure beyond the familiar market leaders, while an income investor may place greater weight on distributions.
These Vanguard ETFs cover each of those goals. The right choice will depend on the rest of the portfolio, the investor's time horizon, and how much volatility they are prepared to accept. For long-term investors who understand what they are buying, I think these three ETFs could all be strong choices.
