Explore / United Kingdom
United Kingdom military
Global rank #5
NATO
The United Kingdom ranks #5 of 24 in the 2026 Military Atlas Index. It spends $89.0B on defense (2.4% of GDP) and has 141K active personnel.
Key statistics
$89.0B
Defense Budget
2.4%
Budget % of GDP
141K
Active Personnel
70K
Reserve Personnel
593
Military Aircraft
171
Fighter Jets
47
5th Gen Fighters
218
Helicopters
285
Main Battle Tanks
166
Artillery Systems
10
Submarines
2
Aircraft Carriers
225
Nuclear Warheads
0
Hypersonic Systems
~260 total; ~40 deployed at sea on Vanguard SSBN. Trident II D5 SLBM. Sea-based deterrent only.
Sources: SIPRI Military Expenditure Database (2025), World Bank (2025), FAS Status of World Nuclear Forces (2026), IISS The Military Balance (2025), Wikipedia (CC BY-SA), citing FlightGlobal World Air Forces (2026), Wikipedia (CC BY-SA) (2026), CSIS Missile Threat (2026).
Equipment inventory
United Kingdom: Aircraft (21)
United Kingdom: Helicopters (3)
United Kingdom: Land (39)
United Kingdom: Naval (23)
United Kingdom: Missile (9)
United Kingdom: Nuclear (3)
Each row is labeled Confirmed, Estimated or Alleged. A dash means no count is published.