(2001 est.)

Andorra:
at birth: 1.07 male(s)/female

under 15 years: 1.1 male(s)/female

15-64 years: 1.11 male(s)/female

65 years and over: 1.01 male(s)/female

total population: 1.1 male(s)/female (2001 est.)

Angola:
at birth: 1.05 male(s)/female

under 15 years: 1.02 male(s)/female

15-64 years: 1.04 male(s)/female

65 years and over: 0.83 male(s)/female

total population: 1.02 male(s)/female (2001 est.)

Anguilla:
at birth: 1.03 male(s)/female

under 15 years: 1.03 male(s)/female

15-64 years: 1.05 male(s)/female

65 years and over: 0.8 male(s)/female

total population: 1.03 male(s)/female (2001 est.)

Antigua and Barbuda:
at birth: 1.05 male(s)/female

under 15 years: 1.04 male(s)/female

15-64 years: 1 male(s)/female

65 years and over: 0.71 male(s)/female

total population: 0.99 male(s)/female (2001 est.)

Argentina:
at birth: 1.05 male(s)/female

under 15 years: 1.05 male(s)/female

15-64 years: 1 male(s)/female

65 years and over: 0.7 male(s)/female

total population: 0.98 male(s)/female (2001 est.)

Armenia:
at birth: 1.05 male(s)/female

under 15 years: 1.03 male(s)/female

15-64 years: 0.96 male(s)/female

65 years and over: 0.72 male(s)/female

total population: 0.95 male(s)/female (2001 est.)

Aruba:
at birth: 1.05 male(s)/female

under 15 years: 1.07 male(s)/female

15-64 years: 0.93 male(s)/female

65 years and over: 0.71 male(s)/female

total population: 0.93 male(s)/female (2001 est.)

Australia:
at birth: 1.05 male(s)/female

under 15 years: 1.05 male(s)/female

15-64 years: 1.02 male(s)/female

65 years and over: 0.78 male(s)/female

total population: 0.99 male(s)/female (2001 est.)

Austria:
at birth: 1.05 male(s)/female

under 15 years: 1.05 male(s)/female

15-64 years: 1.02 male(s)/female

65 years and over: 0.62 male(s)/female

total population: 0.95 male(s)/female (2001 est.)

Azerbaijan:
at birth: 1.05 male(s)/female

under 15 years: 1.04 male(s)/female

15-64 years: 0.95 male(s)/female

65 years and over: 0.66 male(s)/female

total population: 0.95 male(s)/female (2001 est.)

Bahamas, The:
at birth: 1.02 male(s)/female

under 15 years: 1.02 male(s)/female

15-64 years: 0.97 male(s)/female

65 years and over: 0.72 male(s)/female

total population: