Military branches:

Army, Navy (includes Marine Corps), Air Force, Coast Guard
Administration, Armed Forces Reserve Command, Combined Service
Forces Command, Armed Forces Police Command

Military service age and obligation:

19-35 years of age for male compulsory military service; service obligation 2 years; women may enlist; women in Air Force service are restricted to noncombat roles; reserve obligation to age 30 (Army); the Ministry of Defense is in the process of implementing a voluntary enlistment system over the period 2010-2015, although nonvolunteers will still be required to perform alternative service or go through 4 months of military training (2010)

Manpower available for military service:

males age 16-49: 6,218,009

females age 16-49: 6,038,964 (2010 est.)

Manpower fit for military service:

males age 16-49: 5,094,111

females age 16-49: 4,980,454 (2010 est.)