word | | Military service age and obligation |
| military | Georgia | 18 to 34 years of age for compulsory and voluntary active duty military service; conscript service obligation - 18 months (2005) |
| military | Germany | 18 years of age (conscripts serve a 9-month tour of compulsory military service) (2004) |
| military | Ghana | 18 years of age for voluntary military service; no conscription (2008) |
| military | Greece | 19-45 years of age for compulsory military service; during wartime the law allows for recruitment beginning January of the year of inductee's 18th birthday, thus including 17 year olds; 17 years ... |
| military | Guatemala | all male citizens between the ages of 18 and 50 are liable for military service; conscript service obligation varies from 12 to 24 months; women can serve as officers (2007) |
| military | Guinea | 18 years of age for compulsory military service; 2-year conscript service obligation (2006) |
| military | Guinea-Bissau | 18 years of age for selective compulsory military service (2006) |
| military | Guyana | 18-25 years of age for voluntary military service; no conscription (2008) |
| military | Honduras | 18 years of age for voluntary 2 to 3-year military service (2004) |
| military | Hungary | 18 years of age for voluntary military service; conscription abolished in June 2004; 6-month service obligation, with reserve obligation to age 50 (2006) |
| military | India | 16 years of age for voluntary military service; no conscription; women officers allowed in noncombat roles only (2008) |
| military | Indonesia | 18 years of age for selective compulsory and voluntary military service; 2-year conscript service obligation, with reserve obligation to age 45 (officers); Indonesian citizens only (2008) |
| military | Iran | 19 years of age for compulsory military service; 16 years of age for volunteers; 17 years of age for Law Enforcement Forces; 15 years of age for Basij Forces (Popular Mobilization Army ... |
| military | Iraq | 18-49 years of age for voluntary military service (2008) |
| military | Ireland | 17-25 years of age for male or female voluntary military service (17-27 years of age for the Naval Service); enlistees 16 years of age can be recruited for apprentice specialist positions; maximum ... |
| military | Israel | 18 years of age for compulsory (Jews, Druzes) and voluntary (Christians, Muslims, Circassians) military service; both sexes are obligated to military service; conscript service obligation - 36 months for enlisted men, 21 months ... |
| military | Italy | 18-27 year of age for voluntary military service; conscription abolished January 2005; women may serve in any military branch; 10-month service obligation, with a reserve obligation to age 45 (Army and ... |
| military | Jamaica | 18 years of age for voluntary military service; younger recruits may be conscripted with parental consent (2001) |
| military | Japan | 18 years of age for voluntary military service (2001) |
| military | Jordan | 17 years of age for voluntary military service; conscription at age 18 was suspended in 1999, although all males under age 37 are required to register; women not subject to conscription, but ... |
| military | Kazakhstan | 18 years of age for compulsory military service; conscript service obligation - 2 years; minimum age for volunteers NA (2004) |
| military | Korea, South | 20-30 years of age for compulsory military service; conscript service obligation - 24-28 months, depending on the military branch involved (to be reduced to 18 months beginning 2016); 18 years of age for ... |
| military | Kuwait | 18 years of age for compulsory and voluntary military service; reserve obligation to age 40 with 1 month annual training; women have served in police forces since 1999 (2006) |
| military | Kyrgyzstan | 18 years of age for compulsory military service (2001) |
| military | Laos | 15 years of age for compulsory military service; minimum 18-month conscript service obligation (2006) |
| military | Latvia | 18 years of age for voluntary military service; conscription abolished January 2007; under current law, every citizen is entitled to serve in the armed forces for life (2006) |