We don't have a system right now to track everybody who comes in or exits the country. Canada has no exit controls, currently. One of the objectives with the Beyond the Border initiative is to put in place an entry/exit system whereby, with regard to the U.S., the entry into the U.S. would form the exit from Canada. It would be based on an information exchange by which we would be able to track people moving in and out of the country.
On February 14th, 2012. See this statement in context.