Frequently Asked Questions

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How has NAICS industry classification changed since the 2002 Economic Census?

Only six of the twenty NAICS sectors had changes during the 2007 revision of NAICS.

The 2007 Bridge Report shows the effect of the classification changes on the data. For the effect of changes that took place in 2002, see the 2002 Bridge Statistics.

Two files are available that map the complete concordance of 2002 to 2007 NAICS codes, and vice versa:


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