Japan's Long-Term Interest Rate Rises to 2.665%, Highest in 29 Years

Japan's long-term interest rate reached 2.665%, its highest level in 29 years since May 1997. This rise is attributed to surging corporate transaction price index and fiscal concerns stemming from prolonged Middle East tensions.

Fri May 15 2026

Japan's Long-Term Interest Rate Hits 29-Year High

On May 15, Japan's bond market saw a significant rise in long-term interest rates, with the yield on benchmark 10-year government bonds climbing to 2.665%. According to Japan Securities Dealers Association, this marks the highest level in 29 years since May 1997. Market participants suggest that the unexpectedly high corporate transaction price index, announced today, has fueled expectations of a potential interest rate hike by the Bank of Japan.

Factors Behind the Rate Hike: Inflation and Fiscal Concerns

Market sources point to a combination of factors driving the surge in long-term interest rates. A key contributor is the corporate transaction price index, which significantly surpassed market forecasts, intensifying speculation about a Bank of Japan rate hike. Additionally, there are growing concerns over the nation's fiscal health, as prolonged instability in the Middle East situation could necessitate the compilation of a supplementary budget for the current fiscal year.

*Source: NHK World-Japan (2026-05-15)*

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