Bahamas, The
total: 27.55 years
male: 26.78 years
female: 28.34 years (2005 est.)
Bahrain
total: 29.19 years
male: 32.16 years
female: 25.54 years (2005 est.)
Bangladesh
total: 21.87 years
male: 21.88 years
female: 21.85 years (2005 est.)
Barbados
total: 34.15 years
male: 32.99 years
female: 35.28 years (2005 est.)
Belarus
total: 37.03 years
male: 34.32 years
female: 39.7 years (2005 est.)
Belgium
total: 40.55 years
male: 39.29 years
female: 41.81 years (2005 est.)
Belize
total: 19.35 years
male: 19.21 years
female: 19.49 years (2005 est.)
Benin
total: 16.56 years
male: 16.12 years
female: 17.01 years (2005 est.)
Bermuda
total: 39.76 years
male: 38.78 years
female: 40.58 years (2005 est.)
Bhutan
total: 20.27 years
male: 20.11 years
female: 20.44 years (2005 est.)