Saudi Arabia
0-14 years: 38% (male 5,557,453/female 5,340,614)
15-64 years: 59.5% (male 9,608,032/female 7,473,543)
65 years and over: 2.5% (male 363,241/female 343,750) (2009 est.)
Senegal
0-14 years: 42.2% (male 2,911,324/female 2,877,804)
15-64 years: 54.8% (male 3,728,664/female 3,786,000)
65 years and over: 3% (male 190,343/female 217,462) (2009 est.)
Serbia
0-14 years: 15.4% (male 586,806/female 549,900)
15-64 years: 67.8% (male 2,503,194/female 2,502,807)
65 years and over: 16.8% (male 508,606/female 728,026) (2009 est.)
Seychelles
0-14 years: 22.8% (male 10,201/female 9,732)
15-64 years: 70.1% (male 31,870/female 29,439)
65 years and over: 7.1% (male 2,321/female 3,913) (2009 est.)
Sierra Leone
0-14 years: 44.5% (male 1,407,226/female 1,460,366)
15-64 years: 52.2% (male 1,613,554/female 1,750,250)
65 years and over: 3.2% (male 95,533/female 113,124) (2009 est.)
Singapore
0-14 years: 14.4% (male 348,382/female 324,050)
15-64 years: 76.7% (male 1,737,972/female 1,833,415)
65 years and over: 8.9% (male 184,393/female 229,330) (2009 est.)
Slovakia
0-14 years: 15.8% (male 442,168/female 422,055)
15-64 years: 71.7% (male 1,952,527/female 1,965,646)
65 years and over: 12.5% (male 254,510/female 426,140) (2009 est.)
Slovenia
0-14 years: 13.5% (male 139,880/female 131,826)
15-64 years: 69.9% (male 707,219/female 695,470)
65 years and over: 16.5% (male 129,662/female 201,635) (2009 est.)
Solomon Islands
0-14 years: 39.5% (male 119,875/female 115,127)
15-64 years: 57.1% (male 171,792/female 168,023)
65 years and over: 3.5% (male 9,849/female 10,947) (2009 est.)
Somalia
0-14 years: 45% (male 2,215,331/female 2,204,503)
15-64 years: 52.6% (male 2,588,356/female 2,579,737)
65 years and over: 2.5% (male 101,764/female 142,326) (2009 est.)