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South Korea’s Q3 GDP Beats Forecasts on AI Chip Boom

South Korea Q3 GDP Growth Beats Forecasts Amid AI Chip Demand South Korea’s economy grew 1.0 percent in the July-September quarter from the previous three months, easily beating market expectations of 0.7 percent growth, advance central bank estimates…

South Korea's Q3 GDP Beats Forecasts on AI Chip Boom

South Korea Q3 GDP Growth Beats Forecasts Amid AI Chip Demand

South Korea’s economy grew 1.0 percent in the July-September quarter from the previous three months, easily beating market expectations of 0.7 percent growth, advance central bank estimates released on Tuesday showed. Asia’s fourth-largest economy expanded 3.4 percent year-on-year, driven by intense global demand for semiconductors used in artificial intelligence.

Strong Semiconductor Exports and Facility Investments Fuel Expansion

Exports rose 2.3 percent quarter-on-quarter, led by shipments of semiconductors, machinery, and electrical equipment, according to the Bank of Korea. Facility investment jumped 4.1 percent, driven largely by specialized machinery used in chip manufacturing. Government consumption also supported the economy with a 1.9 percent increase.

Semiconductors accounted for roughly half of the total economic growth during the quarter, Lee Dong-won, director general of the Bank of Korea’s economic statistics department, told a briefing. Real gross domestic income surged 18.8 percent year-on-year, marking the fastest purchasing power increase in nearly 49 years due to rising memory chip prices.

Private Consumption Declines Amid Household Strains

Despite robust export momentum, domestic demand remained weak. Private consumption fell 0.2 percent in the third quarter, which was the weakest showing since a 1.0 percent decline in the first quarter of 2022. Analysts attributed the pullback to a stock market slump affecting financial services and automotive sales impacted by strikes at major domestic automakers.

South Korea's Q3 GDP Beats Forecasts on AI Chip Boom
Photo: Japan Today

Park Sang-hyun, an economist at iM Securities, noted that while exports and investments lead growth, private consumption faces persistent headwinds from restrictive interest rates and labor market conditions. Consumer sentiment also fell slightly in October as household income outlooks softened.

South Korea remains central to the global AI hardware supply chain, controlling roughly 80 percent of the high-bandwidth memory market and 60 percent of dynamic random-access memory through domestic giants SK Hynix and Samsung Electronics.

Frequently Asked Questions About South Korea’s Economic Growth

How much did the Bank of Korea expect the economy to grow in the third quarter?

The Bank of Korea originally forecast gross domestic product would grow by 0.3 percent in the third quarter during its August projections, making the actual 1.0 percent expansion more than three times faster than anticipated.

Workers clean the exterior of a building in Seoul, South Korea, June 10, 2025. REUTERS/Kim Hong-Ji
Photo: Reuters

What milestones are South Korean exports approaching for the full year?

Exports topped $800 billion between January and September, putting the country on track to exceed $1 trillion in annual shipments, a milestone previously reached by the United States, China, and Germany.

How does the recent growth compare to South Korea’s economic performance in 2025?

South Korea’s economy grew 1 percent in 2025, its slowest expansion since the pandemic, contrasting with 2026 growth projections of 3.4-3.6 percent cited by Finance Minister Lee Hyoung-il.

Bank of America Raises South Korea Growth Outlook on Semiconductor Surge: AI Chip Boom
About the author: Marcus Liu - Business Editor

MBA and ex‑B bureau chief specializing in global finance and fintech. Marcus speaks Mandarin, Japanese, and English, and has interviewed CEOs from the Fortune 50 to Y‑Combinator unicorns. Marcus Liu delivers sharp analysis on markets, startups, and corporate strategy for investors and entrepreneurs alike.