Algeria
total: 23.8 years
male: 23.7 years
female: 24 years (2004 est.)
American Samoa
total: 22.4 years
male: 22.1 years
female: 22.7 years (2004 est.)
Andorra
total: 39.7 years
male: 40 years
female: 39.4 years (2004 est.)
Angola
total: 18.1 years
male: 18.1 years
female: 18.1 years (2004 est.)
Anguilla
total: 30.4 years
male: 30.4 years
female: 30.3 years (2004 est.)
Antigua and Barbuda
total: 29.4 years
male: 28.9 years
female: 29.9 years (2004 est.)
Argentina
total: 29.2 years
male: 28.3 years
female: 30.1 years (2004 est.)
Armenia
total: 29.7 years
male: 27.1 years
female: 32.4 years (2004 est.)
Aruba
total: 37.5 years
male: 35.7 years
female: 39.1 years (2004 est.)
Australia
total: 36.3 years
male: 35.5 years
female: 37.1 years (2004 est.)