Nicaragua
total population: 71.78 years
male: 69.61 years
female: 74.05 years (2010 est.)
Niger
total population: 52.99 years
male: 51.75 years
female: 54.26 years (2010 est.)
Nigeria
total population: 47.24 years
male: 46.46 years
female: 48.08 years (2010 est.)
Niue
total population: NA
male: NA
female: NA
Norfolk Island
total population: NA
male: NA
female: NA
Northern Mariana Islands
total population: 76.9 years
male: 74.27 years
female: 79.68 years (2010 est.)
Norway
total population: 80.08 years
male: 77.42 years
female: 82.89 years (2010 est.)
Oman
total population: 73.97 years
male: 72.15 years
female: 75.88 years (2010 est.)
Pakistan
total population: 65.63 years
male: 63.84 years
female: 67.5 years (2010 est.)
Palau
total population: 71.51 years
male: 68.36 years
female: 74.84 years (2010 est.)