word | | Military service age and obligation |
| reserve | Serbia | ... war, conscription can begin at age 16; conscription is to be abolished in 2010; 9-month service obligation, with a reserve obligation to age 60 for men and 50 for women (2007 |
| reserve | Singapore | ... years of age for male compulsory military service; 16 years of age for volunteers; 2-year conscript service obligation, with a reserve obligation to age 40 (enlisted) or age 50 (officers) (2008 |
| reserve | Sweden | 19 years of age for compulsory military service; conscript service obligation: 7-15 months (Navy), 8-12 months (Air Force); after completing initial service, soldiers have a reserve commitment until age 47 (2006) |
| reserve | Taiwan | ... to 14 months as of July 2007 and to 12 months in 2008); women may enlist; women in Air Force service are restricted to noncombat roles; reserve obligation to age 30 (2007 |
| reservists | Denmark | ... conscripts serve an initial training period that varies from 4 to 12 months according to specialization; reservists are assigned to mobilization units following completion of their conscript service; women eligible to volunteer ... |
| reservists | United Kingdom | ... positions and some naval postings; must be citizen of the UK, Commonwealth, or Republic of Ireland; reservists serve a minimum of 3 years, to age 45 or 55; 16 years of age ... |
| restricted | Taiwan | ... to 14 months as of July 2007 and to 12 months in 2008); women may enlist; women in Air Force service are restricted to noncombat roles; reserve obligation to age 30 (2007 |
| restriction | Chad | ... for conscripts, with 3-year service obligation; 18 years of age for volunteers; no minimum age restriction for volunteers with consent from a guardian; women are subject to 1 year of compulsory ... |
| retained | Chile | ... 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 (2008 |
| retaining | Estonia | ... leaders; reserve officers and designated specialists have a different conscript service obligation; Estonia has committed to retaining conscription for men up to 2010 and, unlike Latvia and Lithuania, has no plan to ... |
| right | 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 ... |
| roles | Australia | 17 years of age for voluntary military service (with parental consent); no conscription; women allowed to serve in Army combat units in non-combat support roles (2008) |
| roles | South Africa | 18 years of age for voluntary military service; women have a long history of military service in noncombat roles dating back to World War I (2004) |
| roles | Taiwan | ... to 14 months as of July 2007 and to 12 months in 2008); women may enlist; women in Air Force service are restricted to noncombat roles; reserve obligation to age 30 (2007 |
| Russians | Russia | ... are registered for the draft at 17 years of age; service obligation - 1 year; reserve obligation to age 50; foreign citizens and dual-nationality Russians are precluded from contract military service (2008 |
| sailors | Pakistan | ... of age for voluntary military service; soldiers cannot be deployed for combat until age of 18; the Pakistani Air Force and Pakistani Navy have inducted their first female pilots and sailors (2006 |
| school | China | ... with 24-month service obligation; no minimum age for voluntary service (all officers are volunteers); 18-19 years of age for women high school graduates who meet requirements for specific military jobs (2007 |
| seldom | Norway | ... all males between ages of 18 and 44 are liable for service, in practice they are seldom called to duty after age 30; reserve obligation to age 35-60; 16 years of age ... |
| selective | Cape Verde | 18 years of age (est.) for selective compulsory military service; 14-month conscript service obligation (2006) |
| selective | China | 18-22 years of age for selective compulsory military service, with 24-month service obligation; no minimum age for voluntary service (all officers are volunteers); 18-19 years of age for women high school ... |
| selective | Ecuador | 20 years of age for selective conscript military service; 12-month service obligation (2008) |
| selective | El Salvador | 18 years of age for selective compulsory military service; 16 years of age for voluntary service; 12-month service obligation (2006) |
| selective | Guinea-Bissau | 18 years of age for selective compulsory military service (2006) |