Source: U.S. Bureau of Labor Statistics
Release: Productivity and Costs
Hours data for the labor productivity and cost measures include hours worked for all persons working in the sector-wage and salary workers, the self-employed and unpaid family workers.
For more information, please go to http://www.bls.gov/news.release/pdf/prod2.pdf
Source Indicator PRS85006021
U.S. Bureau of Labor Statistics, Nonfarm Business Sector: Average Weekly Hours [PRS85006021], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PRS85006021, December 11, 2018.