Data Dictionary: ACS 2010 (1-Year Estimates)
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Data Source: U.S. Census Bureau
Table: B23020. Mean Usual Hours Worked In The Past 12 Months For Workers 16 To 64 Years [3]
Universe: Universe: Population 16 to 64 years who have worked in the past 12 months
Table Details
B23020. Mean Usual Hours Worked In The Past 12 Months For Workers 16 To 64 Years
Universe: Universe: Population 16 to 64 years who have worked in the past 12 months
Variable Label
B23020001
B23020002
B23020003
Relevant Documentation:
Mean Usual Hours Worked Per Week in the Past 12 Months
Mean usual hours worked is the number obtained by dividing the aggregate number of hours worked each week of a particular universe by the number of people in that universe. For example, mean usual hours worked for workers 16 to 64 years old is obtained by dividing the aggregate usual hours worked each week for workers 16 to 64 years old by the total number of workers 16 to 64 years old. Mean usual hours worked values are rounded to the nearest one-tenth of an hour. (For more information, see "Mean" under "Derived Measures.")

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2010 Summary File: Technical Documentation.
 
Worker
This term appears in connection with several subjects: employment status, journey-to-work questions, class of worker, weeks worked in the past 12 months, and number of workers in family in the past 12 months. The meaning varies and, therefore, should be determined in each case by referring to the definition of the subject in which it appears. When used in the concepts "workers in family" and "full-time, year-round workers," the term "worker" relates to the meaning of work defined for the "work experience" subject.