82.404% of Canadians 12+ have received at least one dose
https://health-infobase.canada.ca/covid-19/vaccination-cover...
For the whole population, it's a bit over 60% so the "misinformation" you're referring to is approximately correct.
OP did not say fully vaccinated but instead having been vaccinated. Are you not vaccinated once you have one dose? If not, what verb would you use after receiving your first dose?
The context is important, that 40% was a response to someone that said that a great proportion of people are for the vaccine (now whether his 10% figure is right or wrong, that's a whole other things that I won't debate here), thus his point for giving that figure is to give doubt over whether enough people are for the vaccine or not.
So yeah I would argue that saying 40% of people are against, by including people that can't get vaccinated in Canada (younger than 12) and people that didn't get both dose, to show that not that many people are against the virus, is disinformation. He didn't used theses words, but he was responding to something and not simply stating facts about how many people got vaccinated.
82.521% of the population that could get vaccinated, got the vaccine in their body. That does show that a good proportion of Canada population are not against the vaccine.