9 male(s)/female
65 years and over: 0.78 male(s)/female
total population: 1 male(s)/female (2005 est.)

Mozambique
at birth: 1.03 male(s)/female
under 15 years: 1.01 male(s)/female
15-64 years: 0.94 male(s)/female
65 years and over: 0.72 male(s)/female
total population: 0.96 male(s)/female (2005 est.)

Namibia
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 1 male(s)/female
65 years and over: 0.84 male(s)/female
total population: 1 male(s)/female (2005 est.)

Nauru
at birth: 1.05 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 1.11 male(s)/female
total population: 1 male(s)/female (2005 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
65 years and over: 0.96 male(s)/female
total population: 1.06 male(s)/female (2005 est.)

Netherlands
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 (2005 est.)

Netherlands Antilles
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.7 male(s)/female
total population: 0.93 male(s)/female (2005 est.)

New Caledonia
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.01 male(s)/female
65 years and over: 0.88 male(s)/female
total population: 1.01 male(s)/female (2005 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: 0.78 male(s)/female
total population: 0.99 male(s)/female (2005 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: 0.78 male(s)/female
total population: 1 male(s)/female (2005 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 (2005 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 (2005 est.)

Niue
NA

Norfolk Isl