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

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

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

under 15 years: 1.06 male(s)/female

15-64 years: 0.98 male(s)/female

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

total population: 1.01 male(s)/female (2001 est.)

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

under 15 years: 1.07 male(s)/female

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