Netherlands Antilles
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.93 male(s)/female
65 years and over: 0.68 male(s)/female
total population: 0.93 male(s)/female (2009 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: 0.86 male(s)/female
total population: 1.01 male(s)/female (2009 est.)

New Zealand
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: 0.84 male(s)/female
total population: 0.99 male(s)/female (2009 est.)

Nicaragua
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: 0.78 male(s)/female
total population: 1 male(s)/female (2009 est.)

Niger
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 0.99 male(s)/female
65 years and over: 0.81 male(s)/female
total population: 1 male(s)/female (2009 est.)

Nigeria
at birth: 1.06 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 0.94 male(s)/female
total population: 1.04 male(s)/female (2009 est.)

Niue
NA (2009 est.)

Norfolk Island
NA (2009 est.)

Northern Mariana Islands
at birth: 1.06 male(s)/female
under 15 years: 1.1 male(s)/female
15-64 years: 0.67 male(s)/female
65 years and over: 1.08 male(s)/female
total population: 0.74 male(s)/female (2009 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: 0.75 male(s)/female
total population: 0.98 male(s)/female (2009 est.)