Citi outlines the $1.8T ETF shift investors must watch

Most investors focus on the S&P 500, the Nasdaq, and a small group of large U.S. companies that dominate index performance. Little attention goes to how capital is moving across other major regions, even as those flows quietly reshape global markets.

Citigroup's latest research points to one of the clearest examples: the Asia-Pacific ETF market, where assets are expanding from a relatively small base toward projections that reach into the trillions. The figures point to a structural change in how regional investors access equities, sectors, and thematic exposure. 

For global portfolios, the takeaway isn't any single forecast, but how quickly capital is diversifying away from a U.S.-centric playbook.

Citi sees APAC ETF assets nearly doubling by 2030

Asia-Pacific ETF assets climbed to a record $1.81 trillion at the end of February 2026. Experts cited in the report expect that pool to reach between $3 trillion and $3.5 trillion by 2030.

"Underlying the impressive industry growth story is the surge in active ETFs. We expect this tailwind to persist…. Our base case expects active market share of ETF [assets under management] to double in ten years as these products gain a greater share of industry flows," said Drew Pettit, U.S. equity and ETF strategist at Citigroup, reported InvestmentNews.

That projection implies a near-doubling of the APAC ETF market in roughly four years. For context, the entire U.S. ETF industry only crossed $3 trillion in assets in 2017.

For you as an individual investor, the message is simpler than the headline. A region rivaling Europe in ETF assets is growing faster, and your portfolio may not yet reflect it.

What's fueling Citi's $3.5 trillion call

Three forces underpin the forecast: regulatory reform, product innovation, and rising retail participation, Citi said. Hong Kong and mainland China expanded ETF Connect, a cross-border scheme that lets investors buy listed ETFs in each other's markets. 

In January 2026, 54 Shanghai-listed and 44 Shenzhen-listed ETFs joined the northbound leg. That expansion matters because it gives global buyers wider access to onshore China funds and signals a friendlier regulatory stance. 

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More listings tend to pull more capital, particularly from issuers anticipating domestic demand. Active ETFs have become a meaningful share of several APAC markets. They account for 31% of South Korea's $127.8 billion ETF market and 39% of Australia's ETF market, Citi added in the report.

Taiwan is the most recent convert, after the country's Financial Supervisory Commission approved active ETFs in December 2024; those funds gathered $1.9 billion in the 11 months that followed, the report noted.

Hong Kong's Mandatory Provident Fund Schemes Authority also confirmed in March 2026 that active ETFs are permitted inside the retirement system.

Why the $3.5 trillion forecast matters for your U.S. portfolio

U.S. stocks have grown from roughly 30% of the MSCI World Index in the 1990s to about 75% today. That leaves many American portfolios heavily tilted toward a single market.

If Citi's forecast plays out, the relative weight of APAC in global capital markets rises meaningfully. Investors who hold only domestic index funds participate in none of that repricing. The region Citi is flagging is already home to three of the world's largest ETF markets outside the U.S.: Japan, South Korea, and Australia. 

Taiwan sits among the third APAC markets by assets, the report said. You do not need to buy Hong Kong-listed ETFs to get exposure. U.S.-listed funds such as VXUS, IEFA, and IEMG already include meaningful weightings to Japan, South Korea, and Taiwan.

What BlackRock's iShares team says about international ETF flows

International equities outpaced U.S. equity flows in January 2026 for the first time since early 2023, BlackRock's iShares strategists said in their Q1 2026 flow analysis. The firm said international exposures accounted for roughly half of all equity inflows through early 2026.

BlackRock's team named emerging markets its preferred regional tilt. Early 2026 EM and single-country ETF flows exceeded the full-year 2025 total within just a few weeks, according to the firm. International investing carries currency exposure, limited liquidity, less government regulation, and sharper volatility from political or economic events, they noted.

Those risks help explain why U.S. investors have historically under-allocated to international equities. They also explain why the Citi forecast, if correct, would require sustained policy stability across several jurisdictions.

Why Citi's APAC ETF story is still in its early innings

The gap between APAC’s current $1.81 trillion and Citi’s $3.5 trillion upper-bound forecast implies a potential expansion of roughly $1.7 trillion, MarketBeat noted. That scale reflects a market still developing rather than one nearing maturity. 

Much of that trajectory is tied to product evolution, with thematic ETFs linked to AI, semiconductors, and defense attracting inflows, alongside notable allocations, such as the reported $21 billion in gold ETFs by Chinese investors.

Models like Australia’s dual-access structure, which allows funds to be purchased on-exchange or at NAV, are changing how investors access ETFs. At the same time, early tokenization efforts point to possible changes in trading mechanics, including extended hours and fractional ownership.

Taken together, these developments highlight a region in which structure, access, and demand are evolving simultaneously. Rather than signaling a single directional move, they reflect the broadening of the global ETF landscape, with APAC becoming a more prominent part of that expansion.

Related: Citi signals a seismic shift brewing in ETFs