Japan is sailing dangerously close to the wind. The most indebted state in the world is taunting markets with one of the least justifiable plans for extra debt issuance.
The fiscal irresponsibility is perhaps no worse than in America, France or Labour’s welfare Britain, but right now it is Japan that is in the sights of the bond vigilantes.
Yields on Japanese debt have spiked wildly across the maturity curve since Sanae Takaichi took power six weeks ago and shocked investors with a “low quality” fiscal expansion of $135bn (£101bn), including such gems as rice vouchers and subsidies for fossil fuels – ploys to mask the inflationary consequences of her own policies.
The scale of this populist misadventure is sending tremors through the international financial system, as well as horrifying the economic establishment in Tokyo.
The benchmark 10-year bond yield jumped to 1.94pc in intraday trading in Tokyo, up from 1.79pc a week ago and a whisker shy of highs last seen in 1997. The speed of the move in the once-glacial $12tn market for Japanese public and private debt is almost frightening.
Japan’s false Thatcher is blowing up a $12tn bond market https://t.co/gLGSs085PM
— B2Investor (@B2Investor) December 5, 2025
