Afghanistan - 18 Albania - 18 Argentina - 18 Armenia 18 Angola - 18 Australia - 18 Austria - 18 Bahamas - 18 Bahrain - 21 Barbados - 18 Belarus - 18 Belgium - 18 Bhutan - 18 Bolivia - 18 Bosnia & Herzegovina - 18 Brazil - 18 (16 for voting) Brunei - 18 Bulgaria - 18 Burundi - 18 Cambodia - 18 Cameroon - 21 Canada - 18-19 Age of majority is provincial and territorial jurisdiction Alberta - 18 Br..