At the end of 2008, an estimated 65,000 people were living with HIV (including AIDS). It is also estimated that 26% of HIV positive Canadians are unaware of their infection.
Source: Public Health Agency of Canada. Estimates of HIV prevalence and incidence are produced by PHAC every three years. The next HIV estimates for 2011 will be published in 2012.
More HIV statistics can be found here.