It is said that Canada Post must be profitable and must not have a deficit. Yet whether the government is providing subsidies or the price of the stamp increases, those situations are impossible. The increase in the price of the stamp would be over 30%, which is huge. Canada Post has a monopoly, at least when it comes to mail. No company from the private sector could increase prices like that without suffering the consequences.
On November 3rd, 2016. See this statement in context.