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United Kingdom Military Profile 2017

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Military branchesArmy, Royal Navy (includes Royal Marines), Royal Air Force (2013)
Military service age and obligation16-33 years of age (officers 17-28) for voluntary military service (with parental consent under 18); no conscription; women serve in military services including ground combat roles; must be citizen of the UK, Commonwealth, or Republic of Ireland; reservists serve a minimum of 3 years, to age 45 or 55; 17 years 6 months of age for voluntary military service by Nepalese citizens in the Brigade of Gurkhas; 16-34 years of age for voluntary military service by Papua New Guinean citizens (2016)
Military expenditures1.94% of GDP (2015)
1.97% of GDP (2014)
2.09% of GDP (2013)
2.21% of GDP (2012)
2.31% of GDP (2011)

Source: CIA World Factbook
This page was last updated on July 9, 2017

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