Business · Markets · 1 day ago
Bond sell-off tests central banks as government borrowing costs rise
Government bond prices have fallen in a global sell-off, pushing up the cost of borrowing for governments.
Central banks in the Group of Seven economies are shrinking holdings of government debt built up after the 2008 financial crisis, and they are wary of buying more.
Their retreat has coincided with higher interest rates and a 40% fall in long-term government bond indexes in those economies.
Government debt has grown to more than $60 trillion, so annual interest costs are 85% higher than in mid-2008 even though average borrowing costs have returned to similar levels.
Ageing populations are putting pressure on pensions and health care, while governments are also expected to spend more on defence.
Central banks could step in if bond markets come under severe strain, but support could be mistaken for efforts to stimulate the economy or help governments borrow.
The head of the Bank for International Settlements says emergency measures should be temporary and distinguish market support from monetary stimulus.
Government bond costs are rising as central banks reduce their holdings of sovereign debt, putting pressure on borrowing budgets.
Central banks are reluctant to rebuild their bond holdings after seeking to normalise balance sheets swollen by years of purchases.
Governments may expect central banks to help stabilise bond markets if yields continue to rise, despite concerns that intervention could blur the line between market support and monetary stimulus.
G7 governments’ debt has nearly tripled to more than $60 trillion since 2008, and annual interest costs are 85% higher even though average borrowing costs have returned to mid-2008 levels.
The article says G7 central bank bond holdings peaked above $30 trillion in early 2022 and have since shrunk by about one-third.
- Who
- Central banks, governments and bond-market investors, particularly in the G7.
- What
- Rising government bond costs are putting pressure on central banks over whether to intervene in markets.
- When
- The article was published on 10 October 2026; it refers to a bond sell-off in recent weeks.
- Where
- Global bond markets, with particular attention to the G7 economies.
- Why
- Central banks have reduced bond holdings while government debt and interest expenses have grown, contributing to pressure as bond yields rise.
Central banks
Governments
Intervention
Central banks
Central banks are reluctant to use bond purchases as a monetary policy tool and want emergency measures to remain limited.
Governments
Governments may expect central banks to act to stabilise markets if sovereign bond yields keep rising.
Risks
Central banks
Central banks risk blurring market support with monetary stimulus and facing criticism for enabling higher government debt.
Governments
The article says governments face growing debt-service costs, alongside pressure on pensions, healthcare and defence spending.
The main challenge is to strengthen market confidence without excessively stimulating the economy over the long term. Central banks should seek to better distinguish between market-functioning programmes and monetary-stimulus programmes.
Government debt in the G7 began a period of growth that later left it nearly three times higher.
The Bank of England provided limited and temporary support for distressed UK government bonds during the budget crisis.
G7 central banks’ combined bond holdings peaked at more than $30 trillion.
G7 central bank bond holdings have contracted by about one-third.
A global bond sell-off has added pressure to government borrowing costs.
- G7 government debt
- More than $60 trillion, nearly three times its level in 2008
- Annual interest costs
- 85% higher than in mid-2008, despite average borrowing costs returning to mid-2008 levels
- G7 central bank bond holdings
- More than $30 trillion at their peak in early 2022
- Balance sheet contraction
- G7 central bank bond holdings have shrunk by about one-third since early 2022
- Long-term bond indexes
- G7 government bond indexes fell 40% alongside the contraction in holdings
- Implicit borrowing rate
- Rose by 4 percentage points alongside the fall in long-term bond indexes
Sources
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