word | | Military service age and obligation |
| age | Gabon | 20 years of age for compulsory and voluntary military service (2007) |
| age | Gambia, The | 18 years of age for voluntary military service; no conscription (2008) |
| age | Georgia | 18 to 34 years of age for compulsory and voluntary active duty military service; conscript service obligation - 18 months (2005) |
| age | Germany | 18 years of age (conscripts serve a 9-month tour of compulsory military service) (2004) |
| age | Ghana | 18 years of age for voluntary military service; no conscription (2008) |
| age | 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 ... |
| age | Guinea | 18-25 years of age for compulsory or voluntary military service; 18-month conscript service obligation (2009) |
| age | Guinea-Bissau | 18-25 years of age for selective compulsory military service; 16 years of age or younger with parental consent, for voluntary service (2009) |
| age | Guyana | 18-25 years of age for voluntary military service; no conscription (2008) |
| age | Honduras | 18 years of age for voluntary 2 to 3-year military service (2004) |
| age | Hungary | 18 years of age for voluntary military service; conscription abolished in June 2004; 6-month service obligation (2008) |
| age | India | 16 years of age for voluntary military service; no conscription; women officers allowed in noncombat roles only (2008) |
| age | 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) |