Occupation and Industry Codes in the American Time Use Survey
ATUS industry codes use the U.S. Census Bureau's Industry Classification System, which is based on the North American Industry Classification System. Beginning with the 2014 ATUS and CPS, industry
data were classified using the 2012 Census Industry Classification system. This system replaced the 2007 Census Industry Classifcation System. The 2007 Census Industry Classification System
was incorporated beginning in the 2009 CPS and 2010 ATUS; it replaced the 2002 Census Industry Classification System, which was used by ATUS and CPS from 2003 until the 2007 classification
scheme was implemented. There were only minor differences between the 2002, 2007, and 2012 Census Industry Classification Systems.
ATUS occupation codes use the U.S. Census Bureau's Occupation Classification System, which is based on the Standard Occupational Classification. From 2003-10, ATUS and CPS used the
U.S. Census Bureau's 2002 Occupation Classification System; starting in 2011, ATUS and CPS began using the U.S. Census Bureau's 2010 Occupation Classification System. There are numerous differences
between the 2002 and 2010 Census Occupation Classification Systems and as a result, occupational data beginning in 2011 are not strictly comparable with earlier years.
More information on the differences between the Census Occupation and Industry classification systems is provided by the
Current Population Survey. For detailed information on ATUS variables impacted by these changes,
see changes between the 2003 to 2011 ATUS as well as the 2011 ATUS Data Dictionaries.
Detailed lists of the industry and occupation codes in the Census Industry and Occupation Classification Systems
are provided below.
Last Modified Date: June 24, 2015