Ghana
total: 19.9 years
male: 19.7 years
female: 20.1 years (2006 est.)
Gibraltar
total: 39.8 years
male: 39.4 years
female: 40.1 years (2006 est.)
Greece
total: 40.8 years
male: 39.7 years
female: 42 years (2006 est.)
Greenland
total: 34 years
male: 35.3 years
female: 32.3 years (2006 est.)
Grenada
total: 21.7 years
male: 22.1 years
female: 21.2 years (2006 est.)
Guam
total: 28.6 years
male: 28.3 years
female: 28.8 years (2006 est.)
Guatemala
total: 18.9 years
male: 18.5 years
female: 19.4 years (2006 est.)
Guernsey
total: 41.3 years
male: 40.4 years
female: 42.2 years (2006 est.)
Guinea
total: 17.7 years
male: 17.4 years
female: 17.9 years (2006 est.)
Guinea-Bissau
total: 19 years
male: 18.4 years
female: 19.6 years (2006 est.)