male(s)/female (2001 est.)

New Zealand:
at birth: 1.04 male(s)/female

under 15 years: 1.05 male(s)/female

15-64 years: 1.01 male(s)/female

65 years and over: 0.77 male(s)/female

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

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

under 15 years: 1.04 male(s)/female

15-64 years: 0.99 male(s)/female

65 years and over: 0.77 male(s)/female

total population: 1 male(s)/female (2001 est.)

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

under 15 years: 1.04 male(s)/female

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

65 years and over: 1.1 male(s)/female

total population: 1 male(s)/female (2001 est.)

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

under 15 years: 1.01 male(s)/female

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

65 years and over: 1 male(s)/female

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

Northern Mariana Islands:
at birth: 1.06 male(s)/female

under 15 years: 1.03 male(s)/female

15-64 years: 0.89 male(s)/female

65 years and over: 0.98 male(s)/female

total population: 0.92 male(s)/female (2001 est.)

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

under 15 years: 1.06 male(s)/female

15-64 years: 1.03 male(s)/female

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

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

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

under 15 years: 1.04 male(s)/female

15-64 years: 1.55 male(s)/female

65 years and over: 1.12 male(s)/female

total population: 1.3 male(s)/female (2001 est.)

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

under 15 years: 1.06 male(s)/female

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

65 years and over: 0.96 male(s)/female

total population: 1.05 male(s)/female (2001 est.)

Palau:
at birth: 1.06 male(s)/female

under 15 years: 1.06 male(s)/female

15-64 years: 1.2 male(s)/female

65 years and over: 0.9 male(s)/female

total population: 1.14 male(s)/female (2001 est.)

Panama:
at birth: 1.04 male(s)/female

under 15 years: 1.04 male(s)/female

15-64 years: 1.03 male(s)/female

65 years and over: 0.91 male(s)/female

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

Papua New Guinea:
at birth: 1.05 male(s)/female

under 15 years: 1.03 male(s)/female

15-64 years: 1.07 male(s)/female

65 years and over: 0.9 male(s)/female

total