The Organisation for Economic Co-operation and Development has issued a warning that South Korea’s deepening reliance on semiconductor exports is increasing the country’s exposure to external economic shocks and cyclical volatility.

The assessment underscores the structural risks inherent in an economy where a single sector dominates trade flows, leaving national growth metrics highly sensitive to global technology demand cycles.

4% year-on-year in the first three weeks of June, driven largely by the semiconductor sector.

This caution comes as South Korea’s export engine showed signs of accelerating momentum.

Recent data indicated that outbound shipments jumped 60.4% year-on-year in the first three weeks of June, driven largely by the semiconductor sector.

While the surge highlights the strength of current demand, the OECD’s analysis suggests that such concentration amplifies the impact of any future downturns or supply chain disruptions.

For investors, the warning serves as a reminder of the beta risk embedded in South Korean equities and the won.