AI chip exports boom, South Korea's inflation hits a 30-month high.

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South Korea’s inflationary pressures continue to rise, and the boom in AI chip exports is evolving from an economic growth engine into a new source of price risk.

According to data released by the Korea Data & Statistics Office on Thursday, the Consumer Price Index (CPI) rose 3.2% year-on-year in June, marking the fastest increase since December 2023 and breaking above 3% for the second consecutive month, significantly higher than the Bank of Korea's 2% target level. Meanwhile, South Korea’s exports surged 71% year-on-year in June, with monthly export value exceeding $100 billion for the first time and setting a historical record, driven mainly by semiconductor exports.

Persistent above-target inflation has intensified market expectations for the Bank of Korea to raise interest rates. The central bank is set to hold a rate decision meeting on July 16, and most economists expect the central bank to start raising rates as early as that month. Governor Rhee Chang-yong has previously stated clearly that rate hikes should be initiated “before it’s too late.”

Energy and Exchange Rates Push Up Prices, Chip Boom Brings New Concerns

June inflation data shows that petroleum products were the main source of price increases. Data indicates that gasoline and diesel prices rose 23% and 34% year-on-year, respectively. Weakening of the Korean won and accumulated increases in raw material costs continue to ripple through the economy, although the US-Iran ceasefire agreement has somewhat alleviated tensions in the Middle East, easing energy price pressures.

Excluding volatile food and energy prices, core CPI rose 2.5% year-on-year, unchanged from last month, and still above the central bank's target.

Meanwhile, the chip industry boom driven by the AI craze is complicating the inflation outlook. On June 17, the Bank of Korea issued a report warning that unusually generous bonuses paid out by chip giants such as Samsung Electronics and SK Hynix may trigger cross-sector wage competition, which—through expanded consumption and labor market effects—could spread wage pressure to broader fields and create a vicious cycle of "self-reinforcing inflation."

Record Exports, Strong Economic Growth Momentum

South Korea, with its high dependence on trade, has performed impressively this year. Exports rose 71% year-on-year in June, with monthly export value exceeding $100 billion—the strongest growth rate in nearly 50 years. Semiconductor exports are the core driver, benefiting from the persistent global demand for chips fueled by AI infrastructure construction.

Citigroup economist Jin-Wook Kim noted in a recent report that robust semiconductor exports and ongoing manufacturing activity are supporting steady economic growth, and additional fiscal stimulus measures and increased investment in technological infrastructure throughout the year are expected to further boost growth momentum.

The Bank of Korea is expected to further raise its 2026 growth forecast in the August quarterly economic outlook update. In May, the central bank already raised its 2026 growth forecast to 2.6%, and 2.1% for 2027. At the same time, it raised its inflation forecast for this year to 2.7% and 2.3% for next year.

Rate Hike Expectations Heat Up, Central Bank Faces Policy Choice

At its last policy meeting in May, the Bank of Korea stood pat, but clearly signaled that it would raise rates in the coming months, citing upward risks for both growth and inflation. With June inflation data again exceeding expectations, market expectations for a rate hike at the July 16 meeting are further strengthened.

The central bank warned last month that if strong wage increases in the semiconductor industry spread across the economy, it will reinforce inflation through both higher costs and stronger consumption demand. As energy inflation risks driven by the Middle East gradually dissipate, the wage-inflation spiral triggered by the AI boom is becoming the next challenge the central bank needs to address.

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