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Economic News Release

Sources and footnotes for tables

SOURCES: Output data are from the Bureau of Economic Analysis and the Census Bureau of the U.S. 
Department of Commerce; the Bureau of Labor Statistics, U.S. Department of Labor; and the Federal 
Reserve Board. Hours and compensation data are from the Bureau of Labor Statistics and the Bureau of 
Economic Analysis.

SIZE OF REVISIONS:  Productivity and cost measures are revised on a regular schedule as more 
complete data become available. The first estimate is published within 40 days of the close of the 
reference quarter, the second estimate approximately 30 days later, and the third estimate approximately 
60 days after the second estimate. Based on past revisions, the third estimate of nonfarm business sector 
quarterly labor productivity growth has differed from the first estimate by -1.1 to +1.4 percentage point 
about 80 percent of the time. This interval is based on estimates for reference quarters from the first 
quarter of 2001 to the fourth quarter of 2023. For more about revisions to labor productivity growth see 
“Revisions to BLS quarterly labor productivity estimates: How large are they?” at

					Table Footnotes

(1) Wages and salaries of employees plus employers' contributions for social insurance and private 
benefit plans. Except for nonfinancial corporations, where there are no self-employed, data also include 
an estimate of wages, salaries, and supplemental payments for the self-employed.

(2) The change for recent quarters is based on the Consumer Price Index for all urban consumers 
(CPI-U). The trend from 1978-2023 is based on the Consumer Price Index Retroactive series (CPI-U-

(3) Unit nonlabor payments include profits, consumption of fixed capital, taxes on production and 
imports less subsidies, net interest and miscellaneous payments, business current transfer payments, 
rental income of persons, and the current surplus of government enterprises.

(4) Current dollar output divided by the output index.

(5) Quarterly changes: Percent change compounded at annual rate is calculated using index numbers to 
three decimal places. Indexes published in the news release are rounded to one decimal place for 
convenience. Annual changes: Percent change is calculated using annual indexes to three decimal 

(6) Unit nonlabor costs include consumption of fixed capital, taxes on production and imports less 
subsidies, net interest and miscellaneous payments, and business current transfer payments.

(7) Total unit costs are the sum of unit labor and nonlabor costs.

(8) Unit profits include corporate profits before tax with inventory valuation and capital consumption 
Last Modified Date: June 06, 2024