| Table 3-12 | |
| Alternative measures of labor underutilization | |
| Measure | Definition |
|---|---|
| U1 | Percentage of the labor force unemployed for 15 weeks or longer |
| U2 | Percentage of the labor force who lost jobs or completed temporary work |
| U3 | Official unemployment rate: percentage of the labor force without jobs who have actively looked for work within the past 4 weeks |
| U4 | U3 + percentage of the labor force who are discouraged workers (those who have stopped looking for work) |
| U5 | U4 + percentage of the labor force who are marginally attached workers (those who would like to work but have not looked for work recently) |
| U6 | U5 + percentage of the labor force who are part-time workers but want to work full time |
| SOURCE: Bureau of Labor Statistics, http://www.bls.gov/lau/stalt.htm.
Science and Engineering Indicators 2014 |
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