| Country | Military service age and obligation |
| Djibouti | 18 years of age for voluntary military service; 16-25 years of age for voluntary military training; no conscription (2008) |
| Dominica | void |
| Dominican Republic | 18 years of age for voluntary military service (2007) |
| Ecuador | 20 years of age for selective conscript military service; 12-month service obligation (2008) |
| Egypt | 18-30 years of age for male conscript military service; service obligation 12-36 months, followed by a 9-year reserve obligation (2008) |
| El Salvador | 18 years of age for selective compulsory military service; 16 years of age for voluntary service; service obligation - 8 months, but 11 months for officers and NCOs (2008) |
| Equatorial Guinea | 18 years of age (est.) for compulsory military service (2008) |
| Eritrea | 18-40 years of age for male and female voluntary and compulsory military service; 16-month conscript service obligation (2006) |
| Estonia |  obligation for compulsory service ages 16-60, with conscription "likely" ages 18-27; service requirement 8-11 months (2009) |
| 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) |
| European Union | void |
| Falkland Islands (Islas Malvinas) | void |
| Faroe Islands | void |
| Fiji | 18 years of age for voluntary military service; reserve obligation to age 45 (2006) |
| 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) |
| France |  17-40 years of age for male or female voluntary military service; no conscription; 12-month service obligation; women serve in noncombat military posts (2008) |
| French Polynesia | void |
| French Southern and Antarctic Lands | void |
| Gabon | 20 years of age for compulsory and voluntary military service (2007) |