The UK government’s borrowing levels exceeded expectations in April, driven by soaring inflation and increasing costs associated with pensions and benefits. The public sector net borrowing stood at £24.3 billion, a significant rise compared to the same month last year, raising concerns about the country’s fiscal health. Amidst geopolitical tensions and internal political strife, the International Monetary Fund (IMF) has urged the UK to adhere to Chancellor Rachel Reeves’s plan for fiscal restraint.
Rising Borrowing Costs and Economic Pressures
According to the Office for National Statistics (ONS), the public sector net borrowing figure for April 2026 was £24.3 billion, an increase of £4.9 billion compared to April 2025. This figure also surpassed forecasts by City economists and the Office for Budget Responsibility (OBR) by £3.4 billion. The escalation in borrowing costs is closely linked to rising debt interest payments, which reached £10.3 billion in April—marking the highest figure for that month on record and a rise of £900 million from the previous year.
Grant Fitzner, chief economist at the ONS, commented, “Borrowing this month was substantially higher than in April last year. Although receipts saw an uptick from April 2025, this increase was more than negated by higher spending on benefits and other costs.”
This alarming trend is occurring amidst volatile bond markets, exacerbated by escalating tensions in the Middle East and leadership challenges within the Labour Party. As Keir Starmer’s leadership is questioned, the selling pressure on UK government bonds, known as gilts, has intensified.
IMF’s Call for Fiscal Restraint
In light of these developments, the IMF has advised the UK government to “stay the course” with its strategy to reduce borrowing. The organisation warned that the government has limited capacity to increase its already high debt levels. Martin Beck, chief economist at WPI Strategy, noted that any future prime minister opposing the current fiscal policies would struggle to justify a departure from the ongoing need to maintain borrowing within manageable limits as the government heads towards a projected borrowing of over £100 billion this year.

Business Secretary Peter Kyle acknowledged the government’s acute awareness of the risks posed by increasing borrowing costs, particularly in the wake of Liz Truss’s controversial mini-budget in 2022. He remarked, “The bond markets are global, they’re not just domestic. They’re assessing us compared to other countries, and it takes time to rebuild our reputation.”
Public Finances Under Strain
The OBR’s recent analysis indicates that while government revenues have benefitted from increased PAYE income tax and national insurance contributions—partly due to a surge in finance sector bonuses—the overall expenditure has outstripped income this month. Notably, net social benefits disbursed by the central government surged by £2.7 billion to £29.5 billion.
Calls have emerged for Chancellor Reeves to reconsider the triple lock policy, which guarantees annual pension increases based on the highest of inflation, average wage growth, or a minimum of 2.5%. Critics, including Tony Blair’s thinktank, argue that the policy is becoming increasingly unsustainable, projecting an additional cost of £85 billion annually by 2070 due to an ageing population.
In response to the geopolitical crisis in Iran, Chancellor Reeves unveiled a comprehensive support package, which includes extending fuel duty cuts and implementing free bus fares for under-16s in England, alongside VAT reductions on summer attractions.
Economic Outlook and Future Considerations
Despite the concerning figures for April, the UK had previously exhibited a stronger-than-expected economic performance at the beginning of 2026, prior to the onset of the Iran conflict. The ONS has revised down its borrowing estimate for the previous financial year to £129 billion, reflecting a 15% decrease from the previous year and falling below the OBR’s forecasts by £3.7 billion.

Lucy Rigby, the Chief Secretary to the Treasury, expressed confidence in the government’s strategy, stating, “Earlier this week, the IMF agreed that we had the right economic plan to reduce the deficit. We are cutting borrowing and debt—our actions have reduced government borrowing by over £20 billion last year while driving growth through £120 billion of additional capital investment over the parliament.”
Why it Matters
The rising levels of government borrowing, compounded by inflationary pressures and political uncertainties, underscore critical challenges for the UK’s public finances. As the government grapples with maintaining fiscal discipline amidst external and internal pressures, the implications for economic stability and public trust are profound. Policymakers must navigate these complexities carefully to instil confidence in both domestic and international markets, ensuring that the UK remains on a path to sustainable financial health.