word | | Military service age and obligation |
| compulsory | Paraguay | 18 years of age for compulsory and voluntary military service; conscript service obligation - 12 months for Army, 24 months for Navy; volunteers for the Air Force must be younger than 22 years ... |
| compulsory | Philippines | 18-25 years of age (officers 21-29) for compulsory and voluntary military service; applicants must be single male or female Philippine citizens (2010) |
| compulsory | Poland | 18-28 years of age for male voluntary or compulsory military service; conscription suspended in 2009; reserve obligation to age 50 (2009) |
| compulsory | Portugal | 18 years of age for voluntary military service; no compulsory military service; women serve in the armed forces, on naval ships since 1993, but are prohibited from serving in some combatant specialties ... |
| compulsory | Russia | 18-27 years of age for compulsory or voluntary military service; males are registered for the draft at 17 years of age; service obligation - 1 year (conscripts can only be sent to combat ... |
| compulsory | Singapore | 18-21 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 ... |
| compulsory | Sudan | 18-33 years of age for male and female compulsory and voluntary military service; 1-2 year service obligation; a requirement that completion of national sevice was mandatory before entering public or private sector ... |
| compulsory | Swaziland | 18-30 years of age for male and female voluntary military service; no conscription; compulsory HIV testing required, only HIV-negative applicants accepted (2011) |
| compulsory | Sweden | ... obligation: 7.5 months (Army), 7-15 months (Navy), 8-12 months (Air Force); the Swedish Parliament has abolished compulsory military service, with exclusively voluntary recruitment as of July 2010; conscription remains an option in ... |
| compulsory | Switzerland | 19-26 years of age for male compulsory military service; 18 years of age for voluntary male and female military service; every Swiss male has to serve at least 260 days in the ... |
| compulsory | Syria | 18 years of age for compulsory military service; conscript service obligation - 21 months (18 months in the Syrian Arab Navy); women are not conscripted but may volunteer to serve (2010) |