South Korea September exports jump 83.5% past $120 billion on AI chip demand

Outbound shipments top $120 billion

South Korea achieved a monthly export total exceeding $120 billion for the first time in September, based on trade statistics released by the customs office on Thursday, 1 October. Total outbound shipments climbed 83.5% from the corresponding period a year earlier, establishing a new peak for monthly exports. The reported growth rate outpaced consensus forecasts compiled before the release, which had pointed to a 62.0% annual increase. Trade activity measured on an average daily basis showed even stronger growth after adjusting for the number of working days in the month, with daily shipments expanding by 104.9% compared to September of the previous year. The monthly gain extends the country's continuous run of positive annual export growth to 16 consecutive months.

Semiconductor demand powers expansion

The overall export performance was anchored by semiconductor shipments, which climbed to a new monthly peak. Global investment in artificial intelligence infrastructure created sustained demand for South Korean microchips, which serve as foundational components for worldwide computing networks. Heavy purchasing from international technology firms maintained strong momentum across domestic chip fabrication facilities. The continued expansion in semiconductor deliveries helped the trade-dependent South Korean economy maintain overall growth momentum despite the headwind of higher interest rates across global markets. Chip exports remained the primary driver of total outbound cargo volumes, maintaining an upward trajectory that began over a year earlier.

Import growth and trade surplus expansion

Inbound shipments to South Korea also rose during the month of September, gaining 26.0% compared to the same month in the prior year. The import expansion outstripped the expectations of economic forecasters, who had projected a 21.5% year-on-year increase. Because outbound export shipments grew at more than triple the pace of inbound goods, the country experienced a wide expansion in its overall goods balance. South Korea registered a provisional monthly trade surplus of $49.85 billion for September. That surplus marks an increase of more than $15 billion over the $34.79 billion trade surplus recorded during the previous month of August.

Trade balance and macroeconomic environment

The latest trade figures confirm that South Korea's manufacturing sector continues to benefit directly from worldwide capital spending on artificial intelligence hardware. Robust deliveries of high-value electronics helped insulate overall commercial activity from the dampening effects of elevated borrowing costs in key destination markets. The customs office release showed that strong overseas order books for advanced components supported broad industrial activity throughout the third quarter. With 16 consecutive months of expanding overseas sales, the country's export sector continues to generate substantial foreign exchange earnings. Official customs administrators published the provisional trade data on Thursday morning in Seoul, with revised figures scheduled for release following routine month-end auditing.