Saint Lucia
total: 29.2 years
male: 28.2 years
female: 30.2 years (2008 est.)
Saint Pierre and Miquelon
total: 34.9 years
male: 34.3 years
female: 35.3 years (2008 est.)
Saint Vincent and the Grenadines
total: 28 years
male: 27.8 years
female: 28.1 years (2008 est.)
Samoa
total: 20.6 years
male: 20.8 years
female: 20.4 years (2008 est.)
San Marino
total: 41.2 years
male: 40.9 years
female: 41.6 years (2008 est.)
Sao Tome and Principe
total: 16.3 years
male: 15.8 years
female: 16.9 years (2008 est.)
Saudi Arabia
total: 21.5 years
male: 22.9 years
female: 19.8 years (2008 est.)
Senegal
total: 18.8 years
male: 18.6 years
female: 19 years (2008 est.)
Serbia
total: 37.5 years
male: 36.1 years
female: 39 years (2008 est.)
Seychelles
total: 28.7 years
male: 27.6 years
female: 29.8 years (2008 est.)