 The National Register of Electors is updated to reflect various changes in the Canadian population , including address changes , reaching voting age , naturalisation , and death . Every year , about 3 @,@ 000 @,@ 000 address changes are processed by Elections Canada from information obtained from the Canada Revenue Agency , Canada Post , provincial and territorial motor vehicle registrars , and provincial electoral agencies with permanent voters lists . Every year , about 400 @,@ 000 Canadians reach voting age and 200 @,@ 000 Canadians die , resulting in changes to the National Register of Electors based on information obtained from the Canada Revenue Agency , provincial and territorial motor vehicle registrars , and provincial electoral agencies with permanent voters lists . Additionally , 120 @,@ 000 individuals a year become naturalised Canadians , and are added to the National Register of Electors by Elections Canada based on information obtained from Citizenship and Immigration Canada . Collectively , these represent about 20 % of the entries in the National Register of Electors . 
