al population: 0.96 male(s)/female (2008 est.)

Sri Lanka
at birth: 1.04 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.96 male(s)/female
65 years and over: 0.88 male(s)/female
total population: 0.97 male(s)/female (2008 est.)

Sudan
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.01 male(s)/female
65 years and over: 1.1 male(s)/female
total population: 1.03 male(s)/female (2008 est.)

Suriname
at birth: 1.07 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.99 male(s)/female
65 years and over: 0.76 male(s)/female
total population: 0.99 male(s)/female (2008 est.)

Svalbard
NA

Swaziland
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.61 male(s)/female
total population: 0.95 male(s)/female (2008 est.)

Sweden
at birth: 1.06 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 0.78 male(s)/female
total population: 0.98 male(s)/female (2008 est.)

Switzerland
at birth: 1.05 male(s)/female
under 15 years: 1.08 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.7 male(s)/female
total population: 0.97 male(s)/female (2008 est.)

Syria
at birth: 1.06 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.05 male(s)/female
65 years and over: 0.89 male(s)/female
total population: 1.05 male(s)/female (2008 est.)

Taiwan
at birth: 1.09 male(s)/female
under 15 years: 1.08 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.95 male(s)/female
total population: 1.02 male(s)/female (2008 est.)

Tajikistan
at birth: 1.05 male(s)/female
under 15 years: 1.03 male(s)/female
15-64 years: 0.98 male(s)/female
65 years and over: 0.74 male(s)/female
total population: 0.99 male(s)/female (2008 est.)

Tanzania
at birth: 1.03 male(s)/female
under 15 years: 1 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 0.78 male(s)/female
total population: 0.98 male(s)/female (2008 est.)

Thailand
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.98 male(s)/female
65 years and over: 0.83 male(s)/female
total population: 0.98 male(s)/female (2008 est.)

Timor-Leste
at birth: 1.05 male(s)/female
under 15 years: 1.03 male(s