This article is from the Canada immigration FAQ, by N. Cenk Gokce, Ankara, TR (dv535@freenet.carleton.ca) with numerous contributions by others.
In order to become a Canadian Citizen, you must have spent 3 years out of
the past 4 years inside Canada as a permanent resident. All time in Canada
(during the four year period that ends on the date you make the application)
that you spend as as a landed immigrant counts in full and all time in
Canada
in another status (eg. on a student visa or an employement authorization)
counts
half. Short leaves of absence, for instance vacations, are usually not
substracted from this time .
You will also have to take and pass a Citizenship Exam, after which you
either
swear or affirm an oath to become a citizen.
 
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