The world’s leading semiconductor fabrication plants are concentrated in Taiwan and South Korea, with major manufacturing networks also in the United States, China, Japan, Singapore, Ireland, Israel, and Germany. “Leading” depends on the measure: advanced-process capability, wafer capacity, commercial importance, and the number of facilities are different things. The locations below are a representative geographic overview, not a capacity-ranked or exhaustive list.
Where are the main semiconductor-fab clusters?
Company disclosures show a network spread across several regions rather than a single country that hosts all major chip production. Taiwan and South Korea stand out in the examples for the concentration of large manufacturers and advanced-process facilities. The United States and several other countries host important production sites, specialty manufacturing, or facilities at different stages of expansion.
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At a glance
| Country or region | Operators and named locations | What the cited disclosures establish |
|---|---|---|
| Taiwan | TSMC: Hsinchu, central Taiwan, Tainan, and Kaohsiung | TSMC identifies multiple island facilities; its 2025 annual report gives a company-wide managed-capacity figure, not output for one plant. |
| South Korea | Samsung Foundry: Giheung, Hwaseong, and Pyeongtaek | Samsung identifies these as part of its Korean manufacturing network and describes advanced-process production at Hwaseong and Pyeongtaek. |
| United States | Intel: Chandler, Rio Rancho, and Hillsboro; Samsung Foundry: Austin and Taylor; TSMC: Phoenix | These are manufacturer-identified locations. TSMC reported Arizona production and construction milestones in its 2025 report. |
| Ireland and Israel | Intel: Leixlip; Jerusalem and Kiryat Gat | Intel lists these among its production-fab locations. |
| Germany | GlobalFoundries: Dresden; TSMC: Dresden project | GlobalFoundries describes an existing high-volume manufacturing site; TSMC described its specialty-technology fab as under construction in 2025. |
| China | TSMC: Nanjing | TSMC’s fab directory lists the location; the cited material does not specify its current process or capacity. |
| Japan | JASM: Kumamoto | TSMC’s 2025 report says the first fab began volume production at the end of 2024 and construction of a second began in 2025. |
| Singapore | GlobalFoundries; UMC Fab 12i and announced new facility | Both companies identify manufacturing in Singapore; UMC’s April 2025 release describes a planned facility, not proof of its later operational status. |
Where are TSMC’s fabs?
Taiwan is TSMC’s densest cluster in the company material cited here. Its locations include Hsinchu, central Taiwan, Tainan, and Kaohsiung. TSMC’s 2025 annual report says its managed facilities and subsidiaries had annual capacity exceeding 17 million 12-inch-equivalent wafers. That is a company-wide annual capacity figure; it is not the output or capacity of any individual fab.
United States
TSMC identifies its Arizona operation in Phoenix. In its 2025 report, the company said the first Arizona facility entered volume production of 4 nm in the fourth quarter of 2024. In the same report, the second facility was built and installing facility systems, while a third was under construction. Those statements describe the facilities’ reported status in 2025, not a guarantee of their status today.
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China and Japan
TSMC’s fab directory lists Nanjing, China. In Japan, TSMC’s 2025 report says the first JASM fab in Kumamoto began volume production at the end of 2024. Construction of a second Kumamoto fab began in 2025; the report describes 3 nm technology there as planned, not as a process already in production.
Germany
TSMC’s 2025 report describes its specialty-technology fab in Dresden as under construction. This is separate from GlobalFoundries’ existing Dresden manufacturing presence.
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Where are Samsung and Intel’s manufacturing sites?
Samsung
Samsung Foundry identifies Giheung, Hwaseong, and Pyeongtaek in South Korea, along with Austin and Taylor in Texas. Samsung says Hwaseong produces processes from 10 nm to 3 nm and that Pyeongtaek mass-produces advanced nodes. These are company descriptions of its sites; they do not establish a standardized ranking against other manufacturers. The cited material names Austin and Taylor but does not provide comparable process or capacity details for those locations.
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Intel identifies production-fab locations in Chandler, Arizona; Rio Rancho, New Mexico; and Hillsboro, Oregon, as well as Leixlip, Ireland, and Jerusalem and Kiryat Gat, Israel. Intel’s page, last reviewed February 6, 2025, states that it had 15 wafer fabs in production worldwide across 10 locations. The named locations above are a subset, not a complete list of Intel’s global sites.
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Where are GlobalFoundries’ and UMC’s fabs?
GlobalFoundries
GlobalFoundries identifies Dresden, Germany, as a high-volume manufacturing location serving long-lifecycle applications. It also describes Singapore as a high-mix, high-volume manufacturing hub for specialty technologies.
UMC
UMC says it has 12 fabs in production across Asia and identifies Fab 12i in Singapore. Its April 2025 release described a new Singapore facility adjacent to its existing Pasir Ris fab, designed for 22 nm and 28 nm manufacturing. That release establishes the announced project and its process plan, not whether the facility is operating now. UMC also identifies four advanced 12-inch fabs; that count should not be compared directly with company figures that use different definitions or scopes.
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Can these figures show which country makes the most chips?
No. The figures published by TSMC, Intel, and UMC describe different things: TSMC reports annual capacity for facilities it manages in 12-inch-equivalent wafers; Intel gives a count of production fabs and locations; UMC gives its number of production fabs across Asia. They are not a harmonized, independently comparable measure of output, and they cannot support a ranking of countries, manufacturers, or individual sites.
Process-node labels also do not by themselves measure how much a fab produces or how its output compares with another company’s. A meaningful site comparison would need a consistent definition of capacity and output, a matching reporting period, and details such as wafer size, process technology actually in production, and facility status.
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What counts as a leading fabrication plant?
“Leading” can refer to several different attributes, and the answer changes with the chosen one:
- Advanced-process capability: which production technologies a company says a site can make.
- Wafer capacity or output: the volume attributable to a specific site, reported with a clear unit and period.
- Strategic or commercial importance: a facility’s role in a manufacturer’s network or in supplying particular applications.
- Network scale: the number of production fabs or countries in a company’s footprint.
The cited company disclosures provide selected examples of these attributes, not one consistent measure across all plants. Nor do they amount to a comprehensive inventory: the overview does not cover every major memory manufacturer, including SK hynix and Micron, or report full current capacity and process data for every location.
How to check a plant’s current status
Fab locations and schedules can change, and a location listing does not necessarily mean a facility is producing wafers. Distinguish an operating fab from one ramping production, under construction, or announced. For a broader site-by-site search, SEMI describes World Fab Watch as a database of current and future front-end fabs that includes location and wafer-size information. For a particular plant, the operator’s latest disclosure is the better source for present status, process availability, and capacity.
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