South Korea’s Lee vows to double chip production in 5 years with $520B investment push

South Korean President Lee Jae-myung stood before investors in New York on September 23 and laid out a plan that amounts to the country’s biggest industrial bet in decades: double semiconductor production capacity within five years.

The numbers behind the pledge

Samsung Electronics and SK hynix have committed a combined investment exceeding 800 trillion won, roughly $518 to $520 billion. That money is earmarked for four new memory fabrication plants, supplier networks, and the infrastructure needed to keep them running.

When you layer in spending on AI data centers and the government’s other two “megaprojects,” total investment is expected to surpass 880 trillion to 1 quadrillion won.

Samsung and SK hynix together already account for about two-thirds of global memory chip production, so doubling their output isn’t just a South Korean story. It’s a global supply story.

President Lee referred to Samsung Chairman Lee Jae-yong and SK Group Chairman Chey Tae-won as “national heroes” for their investment commitments.

Where the fabs will go

The five-year target was first detailed on June 29, 2026, as part of three megaprojects focusing on semiconductors, physical AI, and AI data centers. The September summit in New York served as the international sales pitch for the same vision.

Existing production clusters in Yongin and Pyeongtaek, both south of Seoul, will see accelerated timelines. New memory fabrication plants are planned for the Honam and Gwangju region, with a packaging hub slated for Chungcheong province.

South Korea’s semiconductor industry has historically concentrated around the capital area, and the new facilities are designed to push economic activity into historically less-industrialized parts of the country. The Seoul metropolitan area is also running into practical capacity limits where land is expensive, labor markets are tight, and zoning battles are a headache.

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