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£18.3bn UK Borrowing, $40tn US Debt Trigger IMF Warning

The International Monetary Fund told the United Kingdom and the United States on Sept. 23 to cut government borrowing, warning that interest costs on advanced-economy debt have climbed too far without any policy response. IMF Managing Director Kristalina Georgieva delivered the message in an interview with the BBC on the sidelines of the United Nations General Assembly in New York.
What did Georgieva say about debt levels?
Georgieva said global shocks had been "pushing debt levels up like a staircase not to heaven," while governments had taken "no action to contain that service cost," according to the BBC. She said advanced economies need to "bring debt levels down, put fiscal consolidation as a priority, and make sure that the central banks deliver on their mandate for price stability."
"It is impossible to stress strongly enough how critical it is to get the courage to take the steps that are necessary. These are politically tough steps to take, but necessary steps to take." — Kristalina Georgieva, IMF managing director, BBC interview, Sept. 23, 2026
How bad is UK government borrowing right now?
UK borrowing — the gap between tax receipts and government spending — reached £18.3bn ($24.4bn) in August, almost a fifth higher than the same month a year earlier and above official forecasts, the BBC reported. Debt interest payments for August were the highest for that month since monthly records began in 1997. Asked whether the UK's borrowing costs stood out among major economies, Georgieva said its position was "not very different" from peers and pointed to "fairly consistent action" on debt reduction, along with planning and housing reforms.
How large is the US debt problem?
The US, the world's largest economy, has seen its national debt pile surpass $40tn, a figure that has doubled over the past decade, according to the BBC. The rise has stirred concern both domestically and among international bodies such as the IMF.
Figures at a glance
- UK August borrowing: £18.3bn ($24.4bn), up nearly 20% year-over-year
- UK August debt interest: highest for the month since records began in 1997
- US national debt: more than $40tn, doubled in 10 years
What does the IMF want governments to do?
Georgieva said advanced economies control their domestic fiscal policy even when external shocks — including wars disrupting oil supply and fueling inflation — are outside their control. She said governments "don't have the cash" to spend their way to growth and instead need reforms that draw private investment, citing planning and housing changes as one example already underway in the UK.
What happens next for the UK Budget?
The IMF's warning lands weeks before UK Prime Minister Andy Burnham's first Budget next month, with speculation already building over possible tax and spending changes, the BBC reported.
Timeline
- August 2026: UK borrowing hits £18.3bn; debt interest sets an August record dating to 1997.
- Recent weeks: Global borrowing costs rise as war-related oil disruption pushes inflation and bond yields higher.
- Sept. 23, 2026: Georgieva delivers her warning to the BBC at the UN General Assembly in New York.
- Next month: Burnham's first UK Budget is due, with tax and spending decisions under scrutiny.
Georgieva also flagged artificial intelligence as a potential "financial stability risk" during the same interview, according to the BBC, without elaborating on specific mechanisms.
Read the full interview at BBC News.
Questions
What did the IMF say about UK and US debt?
IMF chief Kristalina Georgieva told the BBC on Sept. 23 that advanced economies including the UK and US must cut borrowing and prioritize fiscal consolidation as debt interest costs climb without policy action.
How much did the UK borrow in August 2026?
UK government borrowing was £18.3bn ($24.4bn) in August, almost a fifth higher than a year earlier, with debt interest at its highest for the month since records began in 1997, according to the BBC.
How large is the US national debt?
The US national debt has surpassed $40tn, doubling over the past decade, the BBC reported, citing the scale as a factor behind the IMF's warning.