Japan raises interest rates to 31-year high in battle against rising inflation

Japan's central bank, the Bank of Japan (BoJ), announced a significant increase in its benchmark interest rate on Friday, September 18, 2026, pushing it to a 31-year high of 1.25%. This 0.25 percentage point hike from the previous 1.0% rate marks another step in the BoJ's effort to normalize its monetary policy, moving away from decades of ultra-low or negative interest rates. The decision was broadly anticipated by markets, although it was not a unanimous vote among the central bank's board members.

This interest rate hike is primarily aimed at combating persistent inflation within Japan, which is being driven by several factors, including elevated energy prices linked to global supply pressures and the ongoing conflict in Iran. Additionally, a tightening labor market, characterized by a shrinking workforce, is contributing to wage increases and further inflationary pressures. The move also comes amid concerns about the weakening yen, which has experienced pressure against other major currencies like the US dollar.

By raising rates, the BoJ aligns itself with other global central banks, such as the US Federal Reserve and the European Central Bank, which have also recently tightened their monetary policies to address rising prices. Despite the hike, the yen experienced a slight weakening against the dollar following the announcement. Analysts suggest the BoJ may consider further rate increases later this year or in early 2027 to continue stabilizing inflation around its 2% target.