2026年9月10日

Global Wafer Fabrication Capacity Overview

The OECD recently published THE CHIP LANDSCAPE, analyzing global wafer fabrication capacity. As of S...

The OECD recently published THE CHIP LANDSCAPE, analyzing global wafer fabrication capacity. As of September 2025, China, Taiwan, South Korea, Japan, and the U.S. accounted for 87% of global operational wafer capacity.

  • Process Nodes: South Korea’s capacity is concentrated in 6–22nm for memory chips; U.S. capacity is more diversified.
  • Key Companies: The top 10 semiconductor companies account for ~50% of global wafer capacity. Production in Japan, South Korea, and Taiwan is highly concentrated; mainland China is more distributed.
  • Chip Type Capacity:
    • Power/discrete: China leads (6.28M WSPM)
    • Analog: China leads (3.64M WSPM)
    • Mature logic: China leads (4.23M WSPM/month)
    • Advanced logic: Taiwan leads (1.55M WSPM/month)
    • Commodity memory: South Korea leads (4.58M WSPM/month)
    • Specialty memory: Taiwan leads (1.18M WSPM/month)
  • Capacity Expansion:
    • Mainland China: mature logic, power/discrete
    • U.S. & Taiwan: advanced logic
    • South Korea: commodity memory
  • Fab Types:
    • Commodity memory and advanced logic fabs are highly specialized
    • Analog, mature logic, and specialty memory produced in “mixed-technology” fabs
    • Most capacity remains domestic, though foreign fabs are increasing in some regions

Global wafer capacity is concentrated in a few economies and large companies, but chip type, process, and business model create complex distribution and growth potential.

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