al: 42.6 years
male: 41.3 years
female: 43.9 years (2006 est.)

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.)

Guyana
total: 27.4 years
male: 26.9 years
female: 27.9 years (2006 est.)

Haiti
total: 18.2 years
male: 17.8 years
female: 18.6 years (2006 est.)

Honduras
total: 19.5 years
male: 19.1 years
female: 19.8 years (2006 est.)

Hong Kong
total: 40.7 years
male: 40.4 years
female: 40.9 years (2006 est.)

Hungary
total: 38.7 years
male: 36.3 years
female: 41.4 years (2006 est.)

Iceland
total: 34.2 years
male: 33.8 years
female: 34.7 years (2006 est.)

India
total: 24.9 years
male: 24.9 years
female: 24.9 years (2006 est.)

Indonesia
total: 26.8 years
male: 26.4 years
female: 27.3 years (2006 est.)

Iran
total: 24.8 years
male: 24.6 years
female: 25 years (2006 est.)

Iraq
total: 19.7 years
male: 19.6 years
female: 19.8 years (2006 est.)

Ireland
total: 34 years
male: 33.2 years
female: 34.8 years (2006 est.)

Isle of Man
total: 39.6 years
male: 38.4 years
female: 41 years (2006 est.)

Israel
total: 29.6 years
male: 28.8 years
female: 30.5 years (2006 est.)

Italy
total: 42.2 years
male: 40.7 years
female: 43.7 years (2006 est.)

Jamaica
total: 23 years
male: 22.4 years
female: 23.5 years (2006 est.)

Japan
total: 42.9 years
male: 41.1 years
female: 44.7 years (2006 est.)

Jersey
total: 41.4 years
male: 40.7 years
female: 42.1 years (2006 est.)

Jordan
total: 23 years
male: 23.7 years
female: 22.4 years (2006 est.)

Kazakhstan
total: 28.8 years
male