The Bureau of Labor Statistics (BLS) is a unit of the United States Department of Labor. It is the principal fact-finding agency for the U.S. government in the broad field of labor economics and statistics. The BLS is a governmental statistical agency that collects, processes, analyzes, and disseminates essential statistical data to the American public, the U.S. Congress, other Federal agencies, State and local governments, business, and labor representatives. The BLS also serves as a statistical resource to the Department of Labor.
The BLS data must satisfy a number of criteria, including relevance to current social and economic issues, timeliness in reflecting today’s rapidly changing economic conditions, accuracy and consistently high statistical quality, and impartiality in both subject matter and presentation. To avoid the appearance of partiality, the dates of major data releases are scheduled more than a year in advance, in coordination with the Office of Management and Budget.”
From Wikipedia: http://en.wikipedia.org/wiki/Bureau_of_Labor_Statistics
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Bureau of Labor Statistics Home
http://www.bls.gov/
Databases, Tables & Calculators by Subject
http://www.bls.gov/data/#employment
Employees on nonfarm payrolls by industry sector and selected industry detail
http://www.bls.gov/webapps/legacy/cesbtab1.htm
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Health Reform Trends, Research and Analysis 