Japan raises interest rate to new 31-year high to curb rising prices

By Aoife Gallagher · Reporting from Dublin · September 18, 2026

The Bank of Japan has finally stopped pretending that the world of the last three decades still exists.

# The Yen’s Reckoning: Can the Bank of Japan Break Its Own Cycle?

The Bank of Japan has stopped pretending the world of the last three decades still exists. By raising its policy rate to 1.25%—a level unseen since 1995—Governor Kazuo Ueda is attempting to wake Japan from a long stretch of stagnant prices and negative rates. But for a small nation, the gap between a technical adjustment and a political earthquake depends on market confidence, and that confidence is fraying.

CNBC reported that the move lacked a consensus. A 7-2 split on the board reveals a divide between those who recognize the current economic shift and those clinging to an old playbook. Toichiro Asada and Ayano Sato, both appointees of Prime Minister Sanae Takaichi, voted against the hike. They argue that core inflation, which sat at 1.7% in August, remains below the 2% target and that the solvency of small firms and household savings cannot withstand tighter credit.

This argument appeals to those who fear the pain of adjustment, but the logic fails. Waiting for inflation to hit exactly 2.0% before acting is not caution; it is a failure of leadership. When a currency falls and global supply shocks hit because of conflict in the Middle East and Iran, a central bank cannot wait for a thermometer to hit a specific degree before treating the fever.

Takaichi’s Reflationist Dream is a Luxury Japan Cannot Afford

The dissent of Asada and Sato is a political signal. Prime Minister Sanae Takaichi is attempting to revive the spirit of Abenomics, the effort to shock Japan out of deflation through massive monetary easing. By planting reflationists on the board, Takaichi seeks a low-rate environment that benefits automotive giants and electronics exporters, even as the average citizen pays more for imported fuel and grain.

The Prime Minister plans to slash the consumption tax on food to shield the public from these costs.

| Item | Current Tax | Proposed Tax (April 2027) | | :--- | :--- | :--- | | Food Consumption | 8% | 1% |

This is a subsidy designed to soothe the public while Takaichi keeps interest rates low. But tax cuts cannot fix a currency crisis. Free Malaysia Today said the yen slumped further after the decision, hitting roughly 157 yen per dollar. The market is not reacting to the 1.25% rate; it is reacting to the hesitation. Investors see the 7-2 split and sense a house divided.

Japan fell into this same trap during the era of Yield Curve Control. The central bank spent years pinning down bond yields, only to find itself stranded as rates climbed across the globe. The bank finally abandoned negative rates in March 2024, but normalization is not a one-time event. It is a grueling reclamation of sovereignty over the yen.

Is the Volcker Shock the Only Way Out?

If Governor Ueda wants to save the yen, he must stop making minor adjustments and embrace the Volcker Shock. In the late 1970s, Paul Volcker understood that a gentle hand cannot fight inflation. He broke the market's psychology by making the cost of betting against the central bank so high that investors had to capitulate.

The current BOJ approach—quarterly hikes of 25 basis points—is too timid. It is a polite request for stability in a world that respects force. Pressure from Washington is mounting. US Treasury Secretary Scott Bessent said during the G20 meeting that Japan needs "decisive market and monetary steps." This was a warning, not a suggestion. While Tokyo and Washington have coordinated to prop up the yen, that shield is temporary. The only permanent cure is a rate trajectory that makes the yen attractive to global investors again.

Reflationists point to the 2008 financial crisis as a reason to fear tightening, arguing that a sudden shock could trigger a systemic collapse. But the risk of a slow-motion collapse is greater. In that scenario, the yen becomes a disposable currency and the cost of living spirals beyond the reach of the working class. Executive Director Koji Nakamura said Japan faces a shrinking workforce of aging citizens and rising wages. If the BOJ does not tighten now, those wage gains will vanish into the cost of imported oil and wheat.

The Guardian said the Nikkei rose nearly 2% following the decision, but stock market gains are a poor metric for national stability. What matters is whether the BOJ can ignore the pressure from the Prime Minister's office and the screams of the carry-traders—the investors who borrow cheap yen to buy higher-yielding US Treasuries.

The Cost of Delay

Central banks that hesitate in the face of structural inflation always pay a higher price later. Whether during the stagflation of the 1970s or the bubble burst of the early 1990s, the cost of waiting for more data falls on the periphery: the pensioners, the shopkeepers, and the young families.

A collision is coming between Governor Ueda’s necessity and Prime Minister Takaichi’s ideology. Predictions of another hike in December are likely correct, but the move will be a battle. Takaichi will likely appoint more dissenters and offer tax rebates to mask the pain, but the gravity of global finance ignores domestic political optics.

The Bank of Japan must stop treating interest rates as a political lever and start treating them as a firewall. If Ueda continues to move in predictable increments, he is not normalizing the economy; he is managing its decline. The only path to a stable yen and a sustainable 2% inflation target is to commit to an aggressive tightening cycle. Anything less invites the markets to keep betting against Japan.

Japan raises interest rate to new 31-year high to curb rising prices

Takaichi’s Reflationist Dream is a Luxury Japan Cannot Afford

Is the Volcker Shock the Only Way Out?

The Cost of Delay

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