word | | Military service age and obligation |
| compulsory | Chile | 18-45 years of age for voluntary male and female military service, although the right to compulsory recruitment is retained; service obligation - 12 months for Army, 22 months for Navy and Air Force ... |
| compulsory | China | 18-24 years of age for selective compulsory military service, with a 2 year service obligation; no minimum age for voluntary service (all officers are volunteers); 18-19 years of age for women high ... |
| compulsory | Colombia | 18-24 years of age for compulsory and voluntary military service; service obligation - 18 months (2004) |
| compulsory | Cote d'Ivoire | 18-25 years of age for compulsory and voluntary male and female military service; voluntary recruitment of former rebels into the new national army is restricted to ages 22-29 (2011) |
| compulsory | Cuba | 17-28 years of age for compulsory military service; 2-year service obligation; both sexes subject to military service (2006) |
| compulsory | Cyprus | Greek Cypriot National Guard (GCNG): 18-50 years of age for compulsory military service for all Greek Cypriot males; 17 years of age for voluntary service; women may volunteer for a 3-year ... |
| compulsory | Denmark | 18 years of age for compulsory and voluntary military service; conscripts serve an initial training period that varies from 4 to 12 months according to specialization; reservists are assigned to mobilization units ... |
| compulsory | Dominican Republic | 16-21 years of age for compulsory military service; recruits must be Dominican Republic citizens; women may volunteer (2010) |
| compulsory | El Salvador | 18 years of age for selective compulsory military service; 16-22 years of age for voluntary male or female service; service obligation - 12 months, with 11 months for officers and NCOs (2009) |
| compulsory | Equatorial Guinea | 18 years of age for selective compulsory military service; service obligation 2 years; women hold only administrative positions in the Coast Guard (2011) |
| 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) |