Niger
at birth: 1.03 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.06 male(s)/female
65 years and over: 0.99 male(s)/female
total population: 1.05 male(s)/female (2006 est.)
Nigeria
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 0.91 male(s)/female
total population: 1.02 male(s)/female (2006 est.)
Niue
NA
Norfolk Island
NA
Northern Mariana Islands
at birth: 1.06 male(s)/female
under 15 years: 1.1 male(s)/female
15-64 years: 0.7 male(s)/female
65 years and over: 1.05 male(s)/female
total population: 0.77 male(s)/female (2006 est.)
Norway
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: 0.73 male(s)/female
total population: 0.98 male(s)/female (2006 est.)
Oman
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.44 male(s)/female
65 years and over: 1.23 male(s)/female
total population: 1.25 male(s)/female (2006 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: 0.92 male(s)/female
total population: 1.05 male(s)/female (2006 est.)
Palau
at birth: 1.06 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.17 male(s)/female
65 years and over: 0.9 male(s)/female
total population: 1.13 male(s)/female (2006 est.)
Panama
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 0.88 male(s)/female
total population: 1.02 male(s)/female (2006 est.)