Select Committee · Public Accounts Committee

Affordability of the Defence Investment Plan

Status: Open Opened: 12 Dec 2025

The Prime Minister announced in February 2025 that defence spending (which may include some spending by other government departments) would rise to 2.5% of GDP by 2027-28. The 2.5% figure means that £6.4bn more will be spent in 2027-28 than if spending had remained at past levels (the UK spent 2.3% of GDP on defence …