An ASX ETF retirement portfolio can play a valuable role alongside superannuation.
While most Australians already have significant exposure to local shares through their super funds, I would build a portfolio that leans more heavily towards global markets while still maintaining a meaningful allocation to Australia.
The goal would be simple: diversify across regions, gain exposure to world-class businesses, and create a portfolio capable of compounding wealth over decades.
Here's how I'd do it.

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Vanguard MSCI Index International Shares ETF (ASX: VGS)
This Vanguard ETF would be the foundation of the portfolio. The fund provides exposure to more than 1,000 large and mid-sized companies across developed markets, including the United States, Europe, Japan, Canada, and the United Kingdom.
Its largest holdings include Microsoft Corp (NASDAQ: MSFT), Apple Inc (NASDAQ: AAPL), and NVIDIA Corp (NASDAQ: NVDA).
I would make VGS the largest position in the retirement portfolio with 35%, because it provides broad diversification and exposure to many of the world's strongest companies and economies.
BetaShares Nasdaq 100 ETF (ASX: NDQ)
BetaShares Nasdaq 100 ETF would add a dedicated growth component to the retirement portfolio and the allocation would be 25%.
The ETF tracks the Nasdaq-100 Index and provides concentrated exposure to many of the world's leading technology and innovation businesses.
Its biggest holdings include Microsoft, NVIDIA, Apple, and Alphabet Inc (NASDAQ: GOOG).
While there is some overlap with VGS, I believe the world's leading technology companies remain among the most powerful long-term wealth creators. NDQ increases exposure to that theme and adds extra growth potential to the portfolio.
BetaShares Australia 200 ETF (ASX: A200)
BetaShares Australia 200 ETF would provide home-market exposure.
The ETF tracks Australia's 200 largest listed companies, with major holdings including Commonwealth Bank of Australia (ASX: CBA) and BHP Group Ltd (ASX: BHP).
Most investors already have substantial Australian exposure through superannuation. That's why I wouldn't allocate more than 20% of the ETF retirement portfolio to local shares.
However, Australia remains home to many high-quality businesses and some attractive dividend opportunities, making a modest allocation sensible.
VanEck MSCI International Quality ETF (ASX: QUAL)
This VanEck ETF focuses on high-quality global businesses with strong balance sheets, high returns on equity, and consistent earnings growth.
Top holdings typically include companies such as Microsoft, Apple, NVIDIA, and other global leaders.
This ETF adds a quality tilt to the retirement portfolio, and I would invest 10% in the fund. While broad-market funds own thousands of companies, QUAL deliberately targets businesses with stronger financial characteristics, which can help improve portfolio resilience over the long term.
Vanguard FTSE Emerging Markets Shares ETF (ASX: VGE)
The Vanguard FTSE Emerging Markets Shares ETF provides exposure to emerging economies such as China, India, Taiwan, Brazil, and South Korea.
Its major holdings include Taiwan Semiconductor Manufacturing Co Ltd (FRA: TSFA) and other leading businesses benefiting from rising incomes and economic development.
Emerging markets can be more volatile than developed markets, but they also offer access to faster-growing economies and expanding consumer markets.
A modest allocation of 10% adds diversification and gives the retirement portfolio exposure to growth opportunities that many Australian investors may otherwise miss.