Mozambique
total: 17.4 years
male: 17 years
female: 17.8 years (2008 est.)
Namibia
total: 20.7 years
male: 20.6 years
female: 20.8 years (2008 est.)
Nauru
total: 21.3 years
male: 20.7 years
female: 21.9 years (2008 est.)
Nepal
total: 20.7 years
male: 20.5 years
female: 20.8 years (2008 est.)
Netherlands
total: 40 years
male: 39.2 years
female: 40.9 years (2008 est.)
Netherlands Antilles
total: 33.4 years
male: 31.6 years
female: 35.2 years (2008 est.)
New Caledonia
total: 28.4 years
male: 28 years
female: 28.8 years (2008 est.)
New Zealand
total: 36.3 years
male: 35.6 years
female: 37.1 years (2008 est.)
Nicaragua
total: 21.7 years
male: 21.3 years
female: 22.1 years (2008 est.)
Niger
total: 16.4 years
male: 16.5 years
female: 16.4 years (2008 est.)