male: 67.1 years
female: 71.11 years (2001 est.)
Niger: total population: 41.59 years
male: 41.74 years
female: 41.44 years (2001 est.)
Nigeria: total population: 51.07 years
male: 51.07 years
female: 51.07 years (2001 est.)
Niue: total population: NA years
male: NA years