Alternative measures of labor underutilization
U-2
Job losers and persons who completed temporary jobs, as a percent of the civilian labor force.
U-1
Persons unemployed 15 weeks or longer, as a percent of the civilian labor force
U-4:
Total unemployed plus discouraged workers, as a percent of the civilian labor force plus discouraged workers.
U-6
Total unemployed, plus all persons marginally attached to the labor force, plus total employed part time for economic reasons, as a percent of the civilian labor force plus all persons marginally attached to the labor force.
U-5:
Total unemployed, plus discouraged workers, plus all other persons marginally attached to the labor force, as a percent of the civilian labor force plus all persons marginally attached to the labor force.