Insight: Many UK defence numbers are being discussed, but let us clarify this for you in the lead-up to the DIP release.

1. The headline commitment is to raise UK defence spending to 2.5% of GDP from April 2027.

2. Reports suggest the MoD had identified a funding gap of £28bn over 4 years, roughly £7bn p.a. (11% of budget).

3. The current debate involves proposing a smaller package of £13.5bn over 4 years, roughly £3.4bn p.a. (5% of budget).