UK AI Economic Forecast Slashed: £400B Claim Traced to Google Report

For two years, UK ministers cited a £400 billion AI dividend to justify policy and calm job-loss fears. Last week, AI Minister Kanishka Narayan confirmed the government's own modelling points to £55–140 billion by 2030, with a central estimate of £120 billion — roughly one-third of the headline number.

The £400 billion figure came from a 2023 Public First (now PF Global) report commissioned by Google. PF Global's Jonathan Dupont said the gap reflects slower-than-expected AI adoption across Whitehall. Government departments continued publishing the higher figure months after receiving the lower internal estimate.

Why it matters for GPU and AI infrastructure

Overstated macro forecasts distort investment signals. Cloud providers and hardware buyers need credible adoption curves to size GPU clusters, plan capacity, and justify CapEx. When policy rests on vendor-sponsored optimism, the risk of over-provisioning — or under-investing in skills and data pipelines — rises sharply.

Labour's Chi Onwurah warned that hype undermines the case for digital transformation. Realistic projections, transparent assumptions, and measurable adoption metrics are prerequisites for sustainable AI infrastructure rollouts in the UK and beyond.