South Korea's Consumer Prices Increase 2.6% in April Amid Rising Fuel Costs

South Korea's consumer price index rose 2.6% in April from a year earlier, accelerating from 2.2% in March and matching economist estimates. This marked the fastest annual increase since July 2024, according to data from the Ministry of Data and Statistics.

The monthly CPI increased by 0.5%, also in line with expectations. The surge was largely fueled by higher energy costs, with petroleum product prices jumping 21.9% year-over-year, the sharpest rise since July 2022. Core inflation, which excludes food and energy, held steady at 2.2% annually.

Global oil prices have climbed sharply following the effective closure of the Strait of Hormuz since late February, after U.S.-Israeli strikes on Iran disrupted supplies. South Korea, heavily dependent on imported energy, has felt the impact as these costs feed into the domestic economy.

The inflation pickup comes amid broader economic pressures from the ongoing Middle East conflict, which has fueled risks to growth and price stability.

Producer prices had already shown acceleration in March, posting the fastest rise in four years due to oil costs, as reported by the Bank of Korea. The central bank held its key interest rate steady last month, citing inflation and growth uncertainties from the war.

Officials have indicated that stabilizing fuel prices and an end to the Iran conflict are prerequisites for terminating the current price cap system. While the headline figure matched the pace from July 2024, the 21-month high highlights a shift from the slower inflation seen in recent quarters.

The inflation reading aligns with patterns observed in other import-dependent economies facing similar supply chain disruptions. Government data emphasized the role of petroleum in driving the increase, though other categories showed more muted changes.

As energy prices remain volatile, the trajectory of inflation will depend on developments in global oil markets and geopolitical tensions. The steady core rate suggests underlying pressures are contained, but sustained energy cost increases could broaden inflationary effects.