New Zealand
total: 33.9 years
male: 33.2 years
female: 34.7 years (2006 est.)
Nicaragua
total: 20.9 years
male: 20.5 years
female: 21.4 years (2006 est.)
Niger
total: 16.5 years
male: 16.5 years
female: 16.4 years (2006 est.)
Nigeria
total: 18.7 years
male: 18.7 years
female: 18.6 years (2006 est.)
Northern Mariana Islands
total: 29.5 years
male: 31.7 years
female: 28.5 years (2006 est.)
Norway
total: 38.4 years
male: 37.6 years
female: 39.3 years (2006 est.)
Oman
total: 19 years
male: 21.7 years
female: 16.5 years (2006 est.)
Pakistan
total: 19.8 years
male: 19.7 years
female: 20 years (2006 est.)
Palau
total: 31.7 years
male: 32.7 years
female: 30.7 years (2006 est.)
Panama
total: 26.1 years
male: 25.8 years
female: 26.5 years (2006 est.)