| Rank | Country | | Suffrage |
35 | Belarus | 18 | 18 years of age; universal |
36 | Belgium | 18 | 18 years of age; universal and compulsory |
37 | Belize | 18 | 18 years of age; universal |
38 | Benin | 18 | 18 years of age; universal |
39 | Bermuda | 18 | 18 years of age; universal |
40 | Bhutan | 18 | 18 years of age; universal |
41 | Bolivia | 18 | 18 years of age, universal and compulsory |
42 | Bosnia and Herzegovina | 18 | 18 years of age, 16 if employed; universal |
43 | Botswana | 18 | 18 years of age; universal |
44 | Brazil | 18 | 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 |
45 | British Virgin Islands | 18 | 18 years of age; universal |
46 | Brunei | 18 | 18 years of age for village elections; universal |
47 | Bulgaria | 18 | 18 years of age; universal |
48 | Burkina Faso | 18 | 18 years of age; universal |
49 | Burma | 18 | 18 years of age; universal |
50 | Burundi | 18 | 18 years of age; universal |
51 | Cambodia | 18 | 18 years of age; universal |
52 | Canada | 18 | 18 years of age; universal |