Business & Finance
UK borrowing costs climb amid global debt sell-off and budget scrutiny
Yields on 30-year gilts hit a multi-decade high as international pressures and domestic policy questions mount ahead of the upcoming budget.
The short version
- UK 30-year borrowing costs reached their highest level since 1998 during a broader international sell-off of government bonds.
- Global market volatility is being driven by energy shocks from the conflict involving Iran, a depreciating Japanese yen, and heavy AI-related debt issuance.
- Prime Minister Andy Burnham and Chancellor John Healey face rising pressure from economists and investors to deliver concrete fiscal measures in next month's budget.
Key facts
- UK 30-year government borrowing costs climbed to their highest point since 1998 amid a global surge in gilt yields.[The Guardian]
- The United Kingdom entered recent market turbulence with the highest sovereign borrowing costs in the G7 and an energy import dependency of 43% recorded in 2025.[The Guardian]
- International financial pressures driving up yields include heightened energy costs tied to the war involving Iran, currency declines in Japan, and large-scale debt issuance linked to AI infrastructure.[The Guardian]
- UK 10-year gilt yields reached approximately 5.2% following the market moves.[The Guardian]
- Economists such as Jim O'Neill and Simon French expressed concern that the government's rhetoric on public utility control has not yet outlined how major fiscal pressures, such as pensions and welfare spending, will be addressed.[The Guardian]
What remains uncertain
- It remains unclear whether the government's forthcoming budget and 10-year economic plan will introduce spending cuts, tax increases, or changes to welfare and pension policies.[The Guardian]
- The long-term impact on borrowing costs depends on how persistent global energy disruptions and international market volatility remain through the winter.[The Guardian]