Greenland
total: 33.5 years
male: 34.9 years
female: 31.8 years (2008 est.)
Grenada
total: 22.4 years
male: 22.9 years
female: 21.9 years (2008 est.)
Guam
total: 28.9 years
male: 28.7 years
female: 29.2 years (2008 est.)
Guatemala
total: 19.2 years
male: 18.6 years
female: 19.7 years (2008 est.)
Guernsey
total: 42.1 years
male: 41 years
female: 43 years (2008 est.)
Guinea
total: 18.4 years
male: 18.2 years
female: 18.7 years (2008 est.)
Guinea-Bissau
total: 19.2 years
male: 18.6 years
female: 19.8 years (2008 est.)
Guyana
total: 28.2 years
male: 27.7 years
female: 28.7 years (2008 est.)
Haiti
total: 18.5 years
male: 18.1 years
female: 19 years (2008 est.)
Honduras
total: 20 years
male: 19.7 years
female: 20.4 years (2008 est.)