Plain language definition: Not applicable Detailed definition: Refers to the age at last birthday (as of the census reference date, May 16, 2006). This variable is derived from Date of birth. Values (English): Total - Age groups 15 to 24 years 25 to 54 years 25 to 34 years 35 to 44 years 45 to 54 years 55 to 64 years 65 to 74 years 75 years and over