Arabfields, Cherifa Brahmi, Correspondent, Seoul, South Korea — South Korea’s powerful semiconductor boom is helping drive an economic recovery, but the rapid expansion of artificial intelligence infrastructure is also creating new inflation risks, according to the Bank of Korea.

The central bank has warned that higher semiconductor prices and strong exports are beginning to spread into the wider economy, increasing household purchasing power, corporate investment and domestic demand. The effect could make price pressures more persistent at a time when policymakers are already monitoring elevated inflation.

South Korea’s economy is expected to grow 3.3% in 2026, according to the Bank of Korea’s latest outlook, a significant upgrade from its previous forecast of 2.6%. Growth is projected to moderate to 2.9% in 2027 as the semiconductor cycle gradually normalizes.

The strength of the chip industry has been particularly visible in national income. Real gross domestic product increased 3.8% year on year in the first quarter, while real gross domestic income rose 13.2%, reflecting the sharp improvement in the country’s terms of trade as semiconductor prices climbed.

For workers and households, the impact is becoming increasingly visible. Higher corporate earnings and stronger export revenues can translate into increased investment, wages and tax receipts, giving consumers greater purchasing power. That additional income, however, could also increase demand for goods and services and add to domestic price pressures.

A small business owner in Seoul said customers were still closely watching prices despite the stronger economic environment, particularly as household budgets remain sensitive to food, energy and housing costs. For many families, the benefits of the technology boom are therefore being felt alongside concerns about the cost of living.

The Bank of Korea expects consumer price inflation to reach 2.7% in 2026 before easing to 2.3% in 2027. Core inflation, which excludes food and energy, is projected at 2.5% in both years, with the central bank warning that demand-side pressures could strengthen as the semiconductor boom spreads through the economy.

The inflation risk is not coming from semiconductor prices alone. South Korea continues to face uncertainty linked to energy costs, exchange-rate movements and geopolitical tensions, while stronger domestic demand could make it harder for inflation to return quickly to the central bank’s target.

The semiconductor sector is nevertheless expected to remain a major source of growth in the near term. Strong global demand for AI infrastructure has supported Korean chip exporters and encouraged companies to expand investment in advanced production and related technologies.

The outlook beyond 2026 will depend heavily on how long the global AI investment cycle remains strong. If demand for AI chips continues to expand, South Korea could maintain relatively strong export and investment growth in 2027. If the cycle weakens sharply, the economy could face slower exports, weaker corporate investment and reduced income growth.

For policymakers, the challenge is increasingly one of balance. The same technology boom that is lifting exports and national income is also strengthening domestic demand and potentially extending inflationary pressure.

As South Korea positions itself at the center of the global AI supply chain, the semiconductor industry is therefore becoming more than an export story. Its performance is increasingly shaping household incomes, business investment and the country’s broader inflation outlook.