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Bank of Japan raises rates to 31-year high of 1.25% as inflation rises

Reported by Aljazeera ·Wsj
Sep 18, 2026· 3 min read
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Key Takeaways
  • • The Bank of Japan raised its policy interest rate to 1.25% from 1.0%, marking the highest level since 1995 and representing a 25 basis point increase in line with market expectations.
  • • The BOJ's decision was approved by a 7-2 vote, with board members Asada and Sato dissenting; the hike continues the central bank's normalization trajectory that began in 2024 when rates stood at minus 0.1%.
  • • Core inflation in Japan eased to 1.7% in August from 1.8% in July, remaining near the BOJ's 2% target, while the central bank has raised its FY2027 inflation forecast to 2.4%.
  • • This marks the sixth rate increase in two and a half years as the BOJ moves away from decades of ultra-low borrowing costs, driven by persistent economic pressures including elevated energy prices, a weak yen, and demographic headwinds.
  • • Higher interest rates typically strengthen Japan's currency by making yen-denominated assets more attractive to investors, addressing the persistent yen weakness that has pressured the economy.
Summary
The Bank of Japan raised its benchmark policy rate to 1.25% on Friday, September 18, 2026, marking the highest level in 31 years and continuing its methodical exit from negative rates. The increase of 25 basis points from the previous 1.0% level was widely anticipated by market participants and economists, with a Reuters poll having projected this move for the fourth quarter. The BOJ's policy board approved the decision by a 7-2 margin, though board members Asada and Sato dissented, signaling ongoing debate within the central bank regarding the pace and timing of normalization.

This rate hike represents the sixth increase since the BOJ began its hiking cycle in 2024, when policy rates sat at minus 0.1%. The central bank's steady normalization reflects an effort to bring Japanese monetary policy closer to levels prevailing in other major economies while addressing mounting inflationary pressures. Supporting the decision, the BOJ lifted its inflation forecast for fiscal year 2027 to 2.4%, indicating expectations for persistent price growth despite recent moderation. Official data released Friday showed core inflation easing slightly to 1.7% in August from 1.8% in July, though this remains proximate to the bank's 2% target level.

Japan's economic environment presents multiple challenges necessitating the tighter monetary policy. Global energy prices remain elevated due to Iran-related disruptions affecting the Strait of Hormuz shipping route, a critical chokepoint for Middle Eastern energy exports. Japan's heavy reliance on energy imports from the region renders it particularly vulnerable to such supply shocks. Additionally, the yen has faced sustained weakness in currency markets, a condition that typically eases with higher interest rates by increasing the attractiveness of yen-denominated assets to international investors. The country simultaneously contends with a shrinking workforce that constrains long-term growth prospects.

The BOJ's rate trajectory marks a significant departure from three decades of low inflation or outright deflation that characterized the Japanese economy. While current inflation remains modest by international standards, the shift represents a structural change in Japan's economic dynamics. As the central bank continues its normalization path, further rate increases appear likely if inflationary pressures persist and economic data supports additional tightening, though the narrow dissent suggests some caution among policymakers regarding the speed of adjustment.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Aljazeera Bank of Japan raises rates to 31-year high of 1.25% as inflation rises Wsj Bank of Japan Raises Rates, Making U.S. Less Alluring for Tokyo Investors