Seychelles
males age 18-49: 16,122
females age 18-49: 18,777 (2005 est.)
Sierra Leone
males age 18-49: 539,697 (2005 est.)
Singapore
males age 18-49: 982,368 (2005 est.)
Slovakia
males age 18-49: 1,089,645
females age 18-49: 1,093,077 (2005 est.)
Slovenia
males age 17-49: 405,593
females age 17-49: 397,167 (2005 est.)
Solomon Islands
males age 18-49: 92,796 (2005 est.)
Somalia
males age 18-49: 1,022,360
females age 18-49: 1,038,697 (2005 est.)
South Africa
males age 18-49: 4,927,757
females age 18-49: 4,609,071 (2005 est.)
Spain
males age 20-49: 7,623,356
females age 20-49: 7,434,465 (2005 est.)
Sri Lanka
males age 18-49: 3,789,627
females age 18-49: 4,281,043 (2005 est.)