Japan Aims to Unlock $7T Savings for Bond Funding

Japan is turning its attention to the country’s massive pool of household savings, estimated at nearly $7 trillion, as it seeks fresh demand for government bonds amid reduced central bank support. Policymakers are exploring new bond products and incentives to encourage retail investors to play a longer-term role in the government debt market. 

The move comes as the Bank of Japan (BOJ) gradually scales back its long-standing, bond-buying program, which for years helped stabilise borrowing costs and absorb large volumes of government debt. With the central bank stepping away, authorities are increasingly focused on filling the demand gap through domestic investors, particularly households that traditionally keep a large share of their wealth in cash and low-risk deposits. 

However, this is not the first time, nor the first attempt, to attract Japanese households. In 2010, the finance ministry created a mascot, Kokusai-sensei (Professor JGB), to promote securities and later offer gold coins to buyers of special reconstruction bonds. 

While mascots and shiny metals failed to gain traction, higher yields have proven effective in attracting buyers this year. Retail sales of Japanese government bonds surged 30.5% in 2025 to 5.28 trillion yen ($33.55 billion), the highest level since 2007. 

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Japan’s households are known for their conservative investment habits, with a significant portion of savings held in cash. Officials believe that even a small shift to these funds towards bonds could provide meaningful support for government financing needs, especially as public debt levels remain among the highest in the developed world.