Seychelles
males age 18-49: 21,612
females age 18-49: 22,459 (2005 est.)
Sierra Leone
males age 18-49: 1,086,091 (2005 est.)
Singapore
males age 18-49: 1,215,568 (2005 est.)
Slovakia
males age 18-49: 1,351,848
females age 18-49: 1,322,647 (2005 est.)
Slovenia
males age 17-49: 496,929
females age 17-49: 483,959 (2005 est.)
Solomon Islands
males age 18-49: 114,253 (2005 est.)
Somalia
males age 18-49: 1,787,727
females age 18-49: 1,714,792 (2005 est.)
South Africa
males age 18-49: 10,354,769
females age 18-49: 10,626,550 (2005 est.)
Spain
males age 20-49: 9,366,588
females age 20-49: 9,155,057 (2005 est.)
Sri Lanka
males age 18-49: 4,933,217
females age 18-49: 5,153,597 (2005 est.)