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New UK PM faces $440 billion fiscal problem, think tank says

By Thomson Reuters Jul 15, 2026 | 6:05 PM

LONDON, July 16 (Reuters) – Britain’s public finances are losing around £330 billion ($442 billion) a year due to weak economic growth, ​population ageing and ill health, ‌according to estimates from a think tank that show the scale of the challenge facing the next prime minister.

The left-leaning Resolution Foundation said former ‌Manchester ​mayor Andy Burnham, who is ⁠due to replace ⁠Keir Starmer in Downing Street on Monday, needs a new fiscal strategy to stop borrowing, public spending cuts and tax ​increases from becoming more painful.

About two thirds of the £330 billion hole comes from ⁠a slowdown in economic ⁠growth per person since 2007, ​it said.

In a report into what it called ​Britain’s two-decade fiscal funk, the Resolution Foundation ‌also said:

• the triple lock system for increasing the value of state pensions should be replaced with a less expensive ⁠link to average earnings alone

• reforms are needed to replace fuel duty receipts which are being ⁠lost as ‌drivers switch to electric cars

• ⁠increased investment in public services ​would ‌counter a drop-off in productivity

• the ​impact ⁠of the Iran war has probably reduced the government’s headroom against the current fiscal rules from £23.6 billion in March to £10 billion now.

($1 = 0.7464 pounds)

(Writing by William Schomberg; editing by ​David Milliken)