For oral and vaginal sex its 16. There are 4-year age exemptions for 14-15 year olds and 2-year age exemptions for 12 and 13 year-olds (ie. if you're 14 you can have sex with a 19 year old, if you're 12 you can have sex with a 14 year old, etc). The age of consent for anal sex (between both heterosexual and homosexual couples) is 18, although this has been ruled unconstitutional and discriminatory by some provincial courts