Benin
18 years of age; universal
Bermuda
18 years of age; universal
Bhutan
18 years of age; universal
Bolivia
18 years of age, universal and compulsory (married); 21
years of age, universal and compulsory (single)
Bosnia and Herzegovina
18 years of age, universal
Botswana
18 years of age; universal
Brazil
voluntary between 16 and 18 years of age and over 70;
compulsory over 18 and under 70 years of age; note - military
conscripts do not vote
British Virgin Islands
18 years of age; universal
Brunei
18 years of age for village elections; universal
Bulgaria
18 years of age; universal