American Samoa
total: 21.6 years
male: 21.1 years
female: 22.2 years (2002)
Andorra
total: 39.1 years
male: 39.4 years
female: 38.8 years (2002)
Angola
total: 18.2 years
male: 18.2 years
female: 18.2 years (2002)
Anguilla
total: 30 years
male: 30 years
female: 29.9 years (2002)
Antigua and Barbuda
total: 29.1 years
male: 28.6 years
female: 29.6 years (2002)
Argentina
total: 29 years
male: 28 years
female: 29.9 years (2002)
Armenia
total: 32.3 years
male: 30.6 years
female: 34.1 years (2002)
Aruba
total: 37.1 years
male: 35.3 years
female: 38.5 years (2002)
Australia
total: 36 years
male: 35.2 years
female: 36.8 years (2002)
Austria
total: 39.4 years
male: 38.2 years
female: 40.7 years (2002)