Sudan
males age 16-49: 9,639,923
females age 16-49: 9,321,106 (2008 est.)
Suriname
males age 16-49: 130,534
females age 16-49: 130,243 (2008 est.)
Swaziland
males age 16-49: 266,311 (2008 est.)
Sweden
males age 16-49: 2,052,890
females age 16-49: 1,980,550 (2008 est.)
Switzerland
males age 16-49: 1,852,580
females age 16-49: 1,807,667 (2008 est.)
Syria
males age 16-49: 5,251,875
females age 16-49: 4,966,367 (2008 est.)
Taiwan
males age 16-49: 6,283,134
females age 16-49: 6,098,599 (2008 est.)
Tajikistan
males age 16-49: 1,897,356
females age 16-49: 1,911,594 (2008 est.)
Tanzania
males age 16-49: 9,108,177 (2008 est.)
Thailand
males age 16-49: 17,553,410
females age 16-49: 17,751,268 (2008 est.)