Bank of Japan raises rates to 1.25%, highest in 31 years

The Bank of Japan raised its policy interest rate to 1.25 percent on September 18, 2026—the highest in 31 years—in a 7–2 vote to combat inflation driven by yen weakness, soaring oil prices from Middle East tensions, and AI-related cost pressures. The decision, coming just three months after the previous hike, marks the fastest pace of increases since the BOJ began tightening in March 2024.

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Policy interest rate raised by 0.25 percentage points
Rate increased from 1.0 percent to 1.25 percent
Third rate hike since March 2024 tightening cycle began
Second consecutive three-month interval between hikes
BOJ board voted 7–2 in favor of the increase

The Bank of Japan raised its policy interest rate to 1.25 percent on September 18, 2026, marking the highest level in 31 years. The decision, approved 7–2 by the board, followed a two-day monetary policy meeting and represented a 0.25 percentage point increase from the previous 1.0 percent rate.

This rate hike came just three months after a similar increase in June 2026, making it the shortest interval between increases since the BOJ began its monetary tightening cycle in March 2024. The acceleration of the rate-hike pace reflects growing concerns about inflation driven by multiple factors: a weakening yen that has fallen to its lowest level in decades against the U.S. dollar, surging crude oil prices linked to Middle East tensions and disruptions to shipping through the Strait of Hormuz, and elevated semiconductor costs tied to artificial intelligence demand.

The BOJ stated that underlying inflation has moved close to its 2 percent target, with risks of overshooting as companies pass higher wage and input costs to consumers. Official data released on the day of the decision showed core inflation at 1.7 percent in August, down slightly from 1.8 percent in July but still near the bank's 2 percent objective. The central bank emphasized that despite economic resilience supported by AI-related demand and government fiscal stimulus, the increasingly accommodative financial environment poses risks of accelerating price pressures.

Two of the BOJ's nine policymakers voted against the rate increase, citing concerns about the strength of economic growth. The decision positions the policy rate at the lower bound of the BOJ's estimated neutral rate range of 1.1 to 2.5 percent (on a nominal basis), raising market questions about how far the central bank intends to raise rates. BOJ Governor Kazuo Ueda indicated that future rate decisions would depend on developments in inflation, wage growth, and financial conditions, though he signaled readiness to discuss rate hikes at every meeting.

The rate increase aligns with simultaneous tightening by other major central banks: the U.S. Federal Reserve raised its benchmark rate on September 16, and the European Central Bank had increased its key rate earlier in the month. U.S. Treasury Secretary Scott Bessent has publicly urged Japan to strengthen the yen and raise interest rates to combat inflation pressures. Analysts surveyed by major financial news outlets predict the BOJ may raise rates further to 1.5 percent by March 2027 and to 1.75 percent by the second quarter of 2027, though uncertainty remains about the ultimate terminal rate and pace of future increases.

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Economy Politics Economics Business World Artificial Intelligence

#crude oil #interest rates #neutral rate #ECB #interest rate #borrowing costs #AI demand #artificial intelligence #yen depreciation #fiscal policy

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Why This Matters

Japan's accelerating rate-hike cycle directly affects financial conditions across Asia and global markets. A higher policy rate strengthens the yen, reduces BOJ's monetary accommodation, and signals tighter credit conditions for Japanese borrowers and exporters. The pace—three months between increases—compresses companies' adjustment timelines and raises refinancing costs for mortgages and business loans. Analysts project further increases to 1.5% by March 2027, which would reshape carry-trade dynamics and increase borrowing costs for emerging-market economies that depend on yen liquidity.

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Sep 10, 2026

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European Central Bank raised key rate to 2.5%

Sep 10, 2026

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European Central Bank raises interest rates

Sep 18, 2026

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BOJ announces 0.25 percentage point rate increase to 1.25 percent, approved 7-2; August core inflation data released showing 1.7 percent rate

Sep 18, 2026

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Bank of Japan announces policy rate increase to 1.25 percent; first synchronized major-economy rate hike in 20 years (since 2006)

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