word | | Military service age and obligation |
| compulsory | Equatorial Guinea | 18 years of age (est.) for compulsory military service (2008) |
| compulsory | Eritrea | 18-40 years of age for male and female voluntary and compulsory military service; 16-month conscript service obligation (2006) |
| compulsory | Estonia | obligation for compulsory service ages 16-60, with conscription "likely" ages 18-27; service requirement 8-11 months (2009) |
| compulsory | Ethiopia | 18 years of age for compulsory and voluntary military service; theoretically, no compulsory military service, but the military can conduct call-ups when necessary and compliance is compulsory (2008) |
| compulsory | Finland | 18 years of age for male voluntary and compulsory - and female voluntary - national military and nonmilitary service; service obligation 6-12 months; mandatory retirement at age 60 (2008) |
| compulsory | Gabon | 20 years of age for compulsory and voluntary military service (2007) |
| compulsory | Georgia | 18 to 34 years of age for compulsory and voluntary active duty military service; conscript service obligation - 18 months (2005) |
| compulsory | Germany | 18 years of age (conscripts serve a 9-month tour of compulsory military service) (2004) |
| compulsory | 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 ... |
| compulsory | Guinea | 18-25 years of age for compulsory or voluntary military service; 18-month conscript service obligation (2009) |
| compulsory | 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) |
| compulsory | 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) |
| compulsory | 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 ... |