Question to the HM Treasury:

To ask the Chancellor of the Exchequer, pursuant to the Answer of 10 July 2025 to Question 65293 on Defence: Finance, if she will publish the average increase as a percentage of GDP spent on defence expenditure from 2027, excluding the addition of intelligence and security services spend.

NATO qualifying defence expenditure is calculated using standardised NATO definitions of defence spending, as agreed by NATO allies.

Annual defence expenditure per country is reported to NATO on a regular basis and is published on their website.