Slovakia
complete transition to an all-volunteer professional force
is planned for 1 January 2007; 82% of Slovak armed forces were
volunteers as of January 2005; volunteers include women, with
minimum age of 17 years; 18 years of age for compulsory military
service (January 2005)

Slovenia
17 years of age for voluntary military service;
conscription abolished in 2003 (2004)

Somalia
18 years of age (est.) (2001)

South Africa
18 years of age for voluntary military service; women
have a long history of military service in non-combat roles - dating
back to World War I (2004)

Spain
20 years of age (2004)

Sri Lanka
18 years of age for voluntary military service (2001)

Sudan
18-30 years of age for compulsory military service; conscript
service obligation - 3 years (August 2004)

Suriname
18 years of age (est.); no conscription

Swaziland
18 years of age for voluntary military service; both sexes
are eligible for military service (2005)

Sweden
19 years of age for compulsory military service; conscript
service obligation - 7-17 months depending on conscript role; after
completing initial service soldiers have a reserve commitment until
the age of 47 (2004)