(One may speculate that this may be particularly true of French-speaking immigrants who may have had access to better educational opportunities at home (in France, for example) than were available in Canada, especially outside Québec.) In fact, Canada has a higher proportion of immigrants at both levels than native born Canadians.
Toutes deux comprennent des immigrants, définis par l’EIAA comme ceux qui sont nés à l’extérieur du Canada et qui n’ont pas la citoyenneté canadienne (page 35).