Military branches:
People's Armed Forces: People's Army of Vietnam (PAVN; includes Vietnam People's Navy (with Naval Infantry), Vietnam People's Air and Air Defense Force, Border Defense Command, Coast Guard) (2013)

Military service age and obligation:
18-25 years of age for male compulsory and voluntary military service; females may volunteer for active duty military service; conscription typically takes place twice annually and service obligation is 18 months (Army, Air Defense), 2 years (Navy and Air Force); 18-45 years of age (male) or 18-40 years of age (female) for Militia Force or Self Defense Force service; males may enroll in military schools at age 17 (2013)

Military expenditures:
2.37% of GDP (2012) 2.17% of GDP (2011) 2.37% of GDP (2010)
country comparison to the world: 33
[see also: Military expenditures country ranks ]