(Note: Content area on this page may be wider than usual.)
|Classifications used to code responses||Census years for which data can be compared||Comments|
Source: Statistics Canada, Census Subject Matter Program.
|National Occupational Classification for Statistics 2006 (also available as the National Occupational Classification 2006)||2001, 2006||The NOC-S 2006 is a minor update of the NOC-S 2001. Data based on the NOC-S 2006 are directly comparable with data based on the NOC-S 2001.|
|National Occupational Classification for Statistics 2001 (also available as the National Occupational Classification 2001)||2001, 2006||No comments|
|1991 Standard Occupational Classification (also available as the National Occupational Classification)||1991, 1996, 2001, 2006||To compare 1991 or 1996 data with 2001 or 2006 data, the variable Occupation (historical) should be used.|
|1980 Standard Occupational Classification1||1981, 1986, 1991||No comments|
|1971 Occupational Classification Manual1||1971, 1981, 1986, 1991||For comparisons with the 1971 Census data, adjustments must be made to the 1981, 1986 and 1991 labour force universes. (See Appendix E for further information on historical comparability of labour force data.)|