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Monday, July 15, 2013

Labor force composition

This illustration below shows the change in labor force composition, from the start of 2007, through the recent June labor report.  These 78 months is a fairly brief period, when considering typical age of Americans in the labor force.  And during this period the labor force rose a slight 3%, from 153 million, to 157 million.  While the entire "non-agricultural" sector is shown, these three industries are not included:
  • Agriculture and related private wage and salary workers
  • Government workers, and
  • Self-employed, unincorporated, and unpaid family workers
These three excluded industries generally had an insignificantly reduced composition of the entire "over 16 years of age" labor force, through these 78 months.  The 11 non-agricultural industry classifications, which remain, have been sorted in the chart: from the most statistically expansive (i.e., Mining) at the bottom of the chart, to the most statistically contractive (i.e., Information) at the top of the chart.  Note that temporary employment services are components of the Professional and business services industry classification.


These data were calculated from not seasonally adjusted unemployed counts and rates, jointly provided by the U.S. Department of Labor.  And a Chi-square non-parametric statistical test was performed to rank the industry-specific value of labor force change.

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