Building wealth on the ASX does not have to mean constantly rotating between themes or chasing the next hot stock.
For long-term investors, a small group of well-chosen exchange traded funds (ETFs) can be enough.
Together, they can provide global diversification and structural growth, all without needing to pick individual stocks.
With that in mind, here are three ASX ETFs to consider buying and holding for years.

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Vanguard MSCI International Shares ETF (ASX: VGS)
The first ASX ETF to consider is the popular Vanguard MSCI International Shares ETF.
This fund gives investors access to a broad basket of shares from developed markets outside Australia. It includes companies from the United States, Europe, Japan, and other advanced economies.
Instead of betting on a single country or sector, this ASX ETF spreads risk across over a thousand businesses. That means exposure to global leaders in healthcare, technology, banking, industrials, and consumer goods.
VanEck MSCI International Value ETF (ASX: VLUE)
A second ETF that could suit a buy-and-hold strategy is the VanEck MSCI International Value ETF.
This fund takes a value approach to global markets, focusing on shares that screen attractively on metrics such as price-to-book and earnings multiples. That usually leads to exposure to established businesses in sectors like financials, industrials, and energy.
While it is worth noting that value investing can fall out of favour during strong growth cycles, it has historically delivered competitive long-term returns when market leadership rotates. This appears to be what is happening at present, with growth names being indiscriminately sold off.
Overall, holding the VanEck MSCI International Value ETF alongside broader market ETFs could add balance, particularly during periods when expensive growth stocks correct. It was recently recommended by analysts at VanEck.
Betashares Global Cybersecurity ETF (ASX: HACK)
The final ETF to consider for the long term is the Betashares Global Cybersecurity ETF.
As governments and businesses digitise operations and move to the cloud, the need to protect data and infrastructure continues to grow. This fund provides exposure to the companies operating at the front line of that challenge.
Rather than betting on a single cybersecurity stock, this ASX ETF spreads exposure across multiple global players. They appear well-positioned to benefit from this structural shift, especially as regulatory requirements are likely to keep demand elevated.
Overall, as a thematic allocation within a diversified portfolio, the Betashares Global Cybersecurity ETF offers access to a structural growth industry that is likely to grow materially over the next decade.