Austria
18 years of age; universal
Azerbaijan
18 years of age; universal
Bahamas, The
18 years of age; universal
Bahrain
18 years of age; universal
Bangladesh
18 years of age; universal
Barbados
18 years of age; universal
Belarus
18 years of age; universal
Belgium
18 years of age; universal and compulsory
Belize
18 years of age; universal
Benin
18 years of age; universal