Austria
total: 42.6 years
male: 41.5 years
female: 43.6 years (2010 est.)
Azerbaijan
total: 28.5 years
male: 26.9 years
female: 30.3 years (2010 est.)
Bahamas, The
total: 29.9 years
male: 28.8 years
female: 31 years (2010 est.)
Bahrain
total: 30.4 years
male: 33.5 years
female: 27.1 years (2010 est.)
Bangladesh
total: 22.9 years
male: 22.4 years
female: 23.4 years (2010 est.)
Barbados
total: 36.2 years
male: 35.1 years
female: 37.2 years (2010 est.)
Belarus
total: 38.8 years
male: 35.8 years
female: 41.8 years (2010 est.)
Belgium
total: 42 years
male: 40.7 years
female: 43.3 years (2010 est.)
Belize
total: 20.7 years
male: 20.5 years
female: 20.9 years (2010 est.)
Benin
total: 17.3 years
male: 16.9 years
female: 17.8 years (2010 est.)