80%
True

When they came into power, defense spending was 2.5%, and when they left power, it was 2.3%.

UK defence spending was around 2.4–2.5% of GDP in 2010, when the Conservative-led government took office, and had fallen to about 2.3% of GDP by 2024 (NATO definition) when Labour returned. The direction and end-point figure are accurate within normal rounding.
Checked Wed 1 Jul, 09:53 · Broadcast: PMQs: Prime Minister's Questions - 29 April 2026

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