UK public sector net borrowing totalled £23.3bn in May 2026, the second highest figure for any May on record and above market forecasts, according to data released by the ONS on 19 June 2026. Guardian Business reported that the ONS attributed the elevated borrowing in part to economic fallout from the Iran war, alongside broader fiscal pressures. The figures present challenges for the government's fiscal position and were noted in the context of a potential Labour leadership transition.
The ONS data showed that central government departmental spending rose by £2.2bn to £39.6bn, while social benefits payments increased by £1.2bn to £28.4bn, driven by inflation-linked benefit uplifts and earnings-linked State Pension adjustments. Debt servicing costs also increased as inflation continued to affect the national debt.
In fixed income and currency markets, UK gilts and sterling — via GBPUSD — were directly named in coverage as instruments connected to the borrowing data release. Gilts are materially affected given their role in financing public sector borrowing requirements.
The ONS confirmed the release covers net borrowing, net cash requirement, and net debt metrics for May 2026. No formal government statement or fiscal policy response was cited in the available cluster sources at the time of publication.
Sources: Guardian Business, ONS