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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Taiwan remains the semiconductor industry’s central manufacturing hub, especially for the most advanced chips. The U.S. International Trade Administration says Taiwan accounts for over 60% of global foundry revenue and more than 90% of leading-edge chip manufacturing. TSMC’s overseas factories are adding geographic alternatives, but its expansion of advanced capacity in Taiwan means they have not displaced the island’s central role.
What “dominates the chip industry” means
Semiconductors are not one interchangeable product. The industry includes chip design, manufacturing, packaging and testing, and chips made on different process technologies. Taiwan’s dominance is most significant in contract manufacturing, or foundry services, and at the leading edge—not every part of the semiconductor business.
The U.S. International Trade Administration’s 2024/2025 country-guide reporting puts Taiwan’s share at over 60% of global foundry revenue and more than 90% of leading-edge chip manufacturing. Those figures describe different measures: foundry revenue is a business share, while leading-edge manufacturing is a share of advanced production. They should not be read as saying Taiwan makes 90% of every chip.
The industry is also economically central to Taiwan itself. The same agency reports that Taiwan’s semiconductor-industry revenue exceeded $165 billion in 2024, approximately 20.7% of the island’s GDP. That is industry revenue, not a measure of profits or government income.
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Why Taiwan’s lead has endured
Scale reinforces manufacturing know-how
Semiconductor factories require enormous investment, and manufacturing performance depends on repeated process learning. Large production volumes and many customer designs give a foundry opportunities to refine processes over time. A competitor can build a fab, but quickly matching the accumulated manufacturing experience, output and customer relationships is a harder task.
TSMC’s 2024 annual report illustrates that scale: it reported 12.9 million 12-inch-equivalent wafer shipments, 288 distinct process technologies and 11,878 products for 522 customers. These are company-wide figures, not counts limited to Taiwan. In the same year, TSMC accounted for 34% of the Foundry 2.0 industry’s output value, up from 28% in 2023.
The advantage is concentrated at the technological frontier
In 2024, 69% of TSMC’s wafer revenue came from processes of 7nm and smaller, according to its annual report. TSMC’s continued investment in 3nm and 2nm production in Taiwan shows that the island’s strategic significance is not just a legacy of older factories: it remains tied to advanced manufacturing.
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“Leading edge” does not mean that every product needs the newest process. Many chips for vehicles, industrial equipment and everyday electronics use mature technologies. But advanced processors used in applications such as AI accelerators and high-performance computing depend on a different, more specialized manufacturing frontier.
A foundry model that customers can trust
TSMC’s business model is another advantage. It manufactures chips designed by other companies rather than selling its own branded semiconductor products. In its 2024 annual report, TSMC says: “By choosing not to design, manufacture or market any semiconductor products under its own name, the Company ensures that it never competes with its customers.” For chip designers, that separation can make TSMC a more attractive manufacturing partner than a company that also competes in chip products.
A connected manufacturing cluster
Wafer fabrication is only part of the production chain. Advanced packaging, testing, suppliers, engineering expertise and logistics all affect whether complex chips can be produced and delivered at scale. TSMC’s reported investment in 3DFabric and CoWoS advanced packaging capacity is one example of why the ecosystem matters alongside the fabrication process itself. Building factories elsewhere can diversify production, but it does not automatically recreate the surrounding network.
Why geopolitical turmoil matters to chip supply
Concentration makes Taiwan valuable to global supply chains and vulnerable to disruption. A serious interruption to production on the island could affect electronics businesses that rely on leading-edge chips, including makers of smartphones, data-center equipment, AI accelerators and automobiles. This exposure is one reason governments and companies seek additional manufacturing capacity and use policies such as local incentives and export controls.
The same concentration is sometimes described through the idea of a “silicon shield”: global dependence on Taiwan’s chipmaking could give other countries a strong reason to avoid a crisis. But dependence is not a guarantee of security. The potential economic cost of a disruption is also precisely why governments and businesses are trying to reduce their reliance on a single location.
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Could China’s chipmaking growth displace Taiwan?
China’s expansion is a real competitive and policy concern, particularly in mature-node capacity, but forecasts of that growth are not settled outcomes. The U.S.-China Economic and Security Review Commission records one Boston Consulting Group projection that China could reach 37% of global mature-node capacity by 2032; other estimates cited by the commission approach 50% by 2030. Those projections use different time horizons and should not be treated as a single agreed forecast.
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Growing mature-node capacity could change competition for chips made on established processes. It does not, by itself, show that China can replace Taiwan at the leading edge. Mature-node output and advanced production are different parts of the market, and the supplied figures do not establish a forecast that China will take Taiwan’s position in leading-edge manufacturing.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Do TSMC’s overseas fabs reduce Taiwan’s importance?
They diversify production, but the documented expansion is not an immediate transfer of Taiwan’s advanced-chip role. TSMC’s 2024 annual report records its first Arizona fab entering high-volume N4 production in the fourth quarter of 2024, its Kumamoto fab in Japan beginning volume production at the end of 2024, and construction in Dresden, Germany, for specialty automotive and industrial processes. At the same time, TSMC continued expanding 3nm, 2nm and CoWoS capacity in Taiwan.
TSMC’s 2025 annual report says its managed manufacturing capacity exceeded 17 million 12-inch-equivalent wafers in 2025. That is a company-wide capacity figure, not a Taiwan-only total. The report also estimates the 2025 non-memory semiconductor market at US$611 billion; that market estimate is not a measure of TSMC’s revenue.
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The clearest description is diversification around a still-Taiwan-centered system. Overseas facilities can give customers and governments more options and may improve resilience, but the reports cited here show continued investment in Taiwan’s most advanced processes rather than a completed relocation of them.
What this means for households and businesses
For consumers, Taiwan’s importance is mostly indirect: chip supply can affect whether electronics and vehicles are available, and how exposed manufacturers are to a supply interruption. The figures above do not establish a particular retail price effect or predict that a shortage will occur.
For businesses and policymakers, the central trade-off is between the efficiency of a dense, experienced production ecosystem and the resilience that comes from having more manufacturing in more places. More geographic options can reduce concentration risk, but they do not instantly reproduce the scale, process learning and supplier network that underpin Taiwan’s position.
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