Gabon
total: 18.5 years
male: 18.3 years
female: 18.8 years (2004 est.)
Gambia, The
total: 17.5 years
male: 17.4 years
female: 17.7 years (2004 est.)
Gaza Strip
total: 15.5 years
male: 15.3 years
female: 15.6 years (2004 est.)
Georgia
total: 37 years
male: 34.5 years
female: 39.2 years (2004 est.)
Germany
total: 41.7 years
male: 40.4 years
female: 43.2 years (2004 est.)
Ghana
total: 20 years
male: 19.8 years
female: 20.3 years (2004 est.)
Gibraltar
total: 39 years
male: 38.8 years
female: 39.2 years (2004 est.)
Greece
total: 40.2 years
male: 39.1 years
female: 41.3 years (2004 est.)
Greenland
total: 33.5 years
male: 34.8 years
female: 31.9 years (2004 est.)
Grenada
total: 20.9 years
male: 21.4 years
female: 20.4 years (2004 est.)