Nauru
total: 9 years
male: 8 years
female: 9 years (2006)
Nepal
total: 9 years
male: 10 years
female: 8 years (2003)
Netherlands
total: 17 years
male: 17 years
female: 17 years (2008)
New Zealand
total: 19 years
male: 19 years
female: 20 years (2008)
Nicaragua
total: 11 years
male: 11 years
female: 11 years (2003)
Niger
total: 5 years
male: 5 years
female: 4 years (2009)
Nigeria
total: 9 years
male: 10 years
female: 8 years (2005)
Niue
total: 12 years
male: 12 years
female: 12 years (2005)
Norway
total: 17 years
male: 17 years
female: 18 years (2008)
Oman
total: 11 years
male: 11 years
female: 11 years (2008)