Algeria
total: 27.1 years
male: 26.8 years
female: 27.3 years (2010 est.)
American Samoa
total: 23.4 years
male: 23.3 years
female: 23.6 years (2010 est.)
Andorra
total: 39.9 years
male: 40.2 years
female: 39.6 years (2010 est.)
Angola
total: 18 years
male: 18 years
female: 18 years (2010 est.)
Anguilla
total: 33 years
male: 31.6 years
female: 34.3 years (2010 est.)
Antigua and Barbuda
total: 30 years
male: 28.5 years
female: 31.4 years (2010 est.)
Argentina
total: 30.3 years
male: 29.2 years
female: 31.3 years (2010 est.)
Armenia
total: 31.9 years
male: 29.1 years
female: 34.7 years (2010 est.)
Aruba
total: 38 years
male: 36.2 years
female: 39.7 years (2010 est.)
Australia
total: 37.5 years
male: 36.8 years
female: 38.3 years (2010 est.)