From the Bureau of Labor Statistics: U-6 Total unemployed, plus all marginally attached workers, plus total employed part time for conomic reasons, as a percent of the labor force plus all marginally attached workers.
Month 8//08 4/09 5/09 6/09 7/09 8/09
Percent 10.9 15.8 16.4 16.5 16.3 16.8