The defence budget of United Kingdom is estimated at US$48,650M at around 1.70% of its GDP.
United Kingdom has a military of 227,100 personnel, with 148,500 active and 78,600 in reserve, making up 3.5 military personnel per 1000 in population.
On land, United Kingdom has a mobile force of 227 tanks. For aerial defence, United Kingdom has an air force of 278 military aircrafts and 285 attack helicopters.United Kingdom's naval fleet is the second-largest in Europe. United Kingdom has a naval fleet of 38 vessels, including 2 aircraft carriers and 11 nuclear submarines. Other offensive warships in the naval arsenal include 13 frigates and 6 destroyers.