Statistics Canada
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More information on Age
Censuses:
2006, 2001, 1996, 1991, 1986, 1981, 1976, 1971, 1966, 1961
Reported for:
Total population
Question number:
Derived variable: Question 3
Responses:
Range of values: single years 0 to 121
Remarks:
In 1966 and 1961, respondents were asked to state their age in completed years as of their last birthday before the census date.
Statistics Canada uses a Statistical analysis system (SAS) to calculate the median age. The SAS employs a linear interpolation method with which the mid-point of the age distribution is determined along with the frequency for each age. The result of the calculation is a real number. Take, for example, a result of 37.7. In this example, the whole number (37) represents the age range within which the middle value falls. The decimal (.7) represents the relative location of the actual mid-point of the distribution among the records having the same value; it indicates that 70% of records with the value 37 fall to the left of the middle value.
For more information, see Date of birth.
