: 1.02 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.66 male(s)/female
total population: 0.9 male(s)/female (2008 est.)

Australia
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 0.83 male(s)/female
total population: 1 male(s)/female (2008 est.)

Austria
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.01 male(s)/female
65 years and over: 0.7 male(s)/female
total population: 0.95 male(s)/female (2008 est.)

Azerbaijan
at birth: 1.14 male(s)/female
under 15 years: 1.12 male(s)/female
15-64 years: 0.96 male(s)/female
65 years and over: 0.59 male(s)/female
total population: 0.97 male(s)/female (2008 est.)

Bahamas, The
at birth: 1.02 male(s)/female
under 15 years: 1 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 0.69 male(s)/female
total population: 0.96 male(s)/female (2008 est.)

Bahrain
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 1.36 male(s)/female
65 years and over: 1.1 male(s)/female
total population: 1.25 male(s)/female (2008 est.)

Bangladesh
at birth: 1.06 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 1.15 male(s)/female
total population: 1.05 male(s)/female (2008 est.)

Barbados
at birth: 1.01 male(s)/female
under 15 years: 1 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 0.63 male(s)/female
total population: 0.94 male(s)/female (2008 est.)

Belarus
at birth: 1.06 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 0.94 male(s)/female
65 years and over: 0.48 male(s)/female
total population: 0.87 male(s)/female (2008 est.)

Belgium
at birth: 1.04 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.7 male(s)/female
total population: 0.96 male(s)/female (2008 est.)

Belize
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.92 male(s)/female
total population: 1.03 male(s)/female (2008 est.)

Benin
at birth: 1.03 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.98 male(s)/female
65 years and over: 0.7 male(s)/female
total population: 1 male(s)/female (2008 est.)