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BOJ Raises Policy Rate to 31-Year High Amid Inflation Risks

By Drooid · · How we work

Core Event

On September 18 the Bank of Japan (BOJ) lifted its benchmark short-term policy rate by 25 basis points to 1.25 %, the highest level since 1995. The decision was approved by a 7-2 vote of the nine-member Policy Board. Board members Toichiro Asada and Ayano Sato voted against the hike, citing concerns that the economy remains fragile and core inflation is still below the 2 % target. The new rate takes effect on September 24.

Background & Context

The BOJ began normalising monetary policy in March 2024, ending decades of ultra-low and negative rates. Since then it has raised rates six times, most recently in June 2026, with a three-month interval—the shortest gap since 1990. The move comes as Japan faces rising import-price pressures from higher global oil prices and a weak yen that has amplified inflationary risks.

Data & Statistics

Official Statements & Responses

Governor Kazuo Ueda said the bank is entering a “new phase” focused on stabilising underlying inflation at the 2 % target rather than merely lifting it. He added that the BOJ will continue to adjust policy based on economic, price and financial-condition data, without committing to a fixed timetable for future hikes.

Criticism & Opposition

Board members Toichiro Asada and Ayano Sato, appointed by Prime Minister Sanae Takaichi, argued that core inflation remains below 2 % and that the economy does not yet warrant tighter policy. Their dissent was noted by analysts as a signal of internal division.

Conflicting Reports & Gaps

Sources differ on the exact post-hike yen level: CNBC reported 156.64, the Globe and Mail cited 156.91, and other outlets noted a range up to 157.84. All agree the yen weakened despite the rate increase.

Verbatim Quotes

  • “It’s important to stabilize underlying inflation at 2 per cent. Our policy phase has changed,” — Kazuo Ueda
  • “The rate hike itself was in line with market expectations, but the two dissenting votes came as a modest surprise, as only some market participants had anticipated them,” — Hirofumi Suzuki, chief FX strategist, SMBC

What’s Next

The BOJ’s next policy meeting is scheduled for October 29-30, where Governor Ueda will assess inflation trends and financial conditions. Analysts expect the bank could raise rates to 1.5 % by March 2027, with a possible terminal rate of 1.75 % or higher.

*This article synthesises information from multiple reports on the September 18 BOJ rate decision, focusing on the core event, its economic backdrop, quantitative details, official commentary, dissenting views, and forward-looking expectations.*