Date: October 2012: september_alt_unemployment.png (606×426)

U-1 Persons unemployed 15 weeks or longer, as a percent of the civilian labor force 

U-2 Job losers and persons who completed temporary jobs, as a percent of the civilian labor force 

U-3 Total unemployed, as a percent of the civilian labor force (official unemployment rate) 

U-4 Total unemployed plus discouraged workers, as a percent of the civilian labor force plus discouraged workers 

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 

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