The U.S. Bureau of Labour Statistics publishes six different unemployment measures, U1, U2, U3,...,U6. U1 is the narrowest measure, while U6 is the broadest. You're looking for U6.Here's the U6 Unemployment Rate:U6 Unemployment is total unemployed, plus all persons marginally attached to the laboru00a0 force, plus total employed part time for economic reasons, as a percentu00a0 of the civilian labor force plus all persons marginally attached to theu00a0 labor force. Persons marginally attached to the labor force are those who currentlyu00a0 are neither working nor looking for work but indicate that they want andu00a0 are available for a job and have looked for work sometime in the pastu00a0 12 months. Discouraged workers, a subset of the marginally attached,u00a0 have given a job-market related reason for not currently looking foru00a0 work. Persons employed part time for economic reasons are those who wantu00a0 and are available for full-time work but have had to settle for au00a0 part-time schedule.U6 is the broadest unemployment measure. The one typically publicized is the U3 unemployment measure (currently at 5.1%). Unfortunately, it seems U6 data only extends to 1994. Sources:Table A-15. Alternative measures of labor underutilizationU6 Unemployment Rate | MacroTrendsTotal unemployed, plus all marginally attached workers plus total employed part time for economic reasons