Investors in their 30s often have one major advantage on their side: time.
With decades before retirement, many investors in this age group can afford to focus on long-term growth opportunities rather than prioritising income today.
This can allow them to invest in sectors and industries that may experience volatility in the short term but have strong long-term potential.
Exchange traded funds (ETFs) can be a simple way to gain exposure to these growth trends while maintaining diversification.
With that in mind, here are three ASX ETFs that could be strong picks for investors in their 30s.

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BetaShares Asia Technology Tigers ETF (ASX: ASIA)
One ASX ETF that could be worth considering is the BetaShares Asia Technology Tigers ETF.
This fund provides exposure to leading technology companies across Asia, including businesses involved in ecommerce, internet platforms, and digital services.
Its holdings include search giant Baidu (NASDAQ: BIDU), WeChat owner Tencent Holdings (SEHK: 700), and Temu owner PDD Holdings (NASDAQ: PDD).
Many of these companies operate in fast-growing economies with large populations and rapidly expanding digital adoption. As internet usage, online shopping, and digital payments continue to grow across the region, technology platforms could benefit from powerful long-term demand trends.
For investors looking to gain exposure to the growth of Asia's digital economy, this ETF could be an interesting option.
BetaShares Global Cybersecurity ETF (ASX: HACK)
Another ASX ETF that could be worth a look is the BetaShares Global Cybersecurity ETF.
Cybersecurity has become a critical industry as businesses, governments, and individuals rely increasingly on digital systems and online services.
As more data is stored online and more infrastructure becomes connected to the internet, protecting networks and information from cyber threats has become essential. This has created strong demand for cybersecurity solutions across the global economy.
By investing in a portfolio of companies that specialise in protecting digital systems and data, this ETF provides investors with easy access to a sector that could experience strong long-term growth.
BetaShares Global Robotics and Artificial Intelligence ETF (ASX: RBTZ)
A final ASX ETF that could be worth considering is the BetaShares Global Robotics and Artificial Intelligence ETF.
This fund focuses on companies involved in robotics, automation, and artificial intelligence such as Nvidia (NASDAQ: NVDA) and ABB Ltd (SWX: ABBN). These technologies are expected to play a major role in shaping the future of industries such as manufacturing, healthcare, logistics, and transportation.
Automation and AI are already being adopted across many sectors to improve efficiency, reduce costs, and unlock new capabilities.
For investors with a long investment horizon, gaining exposure to companies developing these technologies could provide access to one of the most important technological trends of the coming decades.
This fund was recently recommended by analysts at Betashares.