The New York Times has published an interractive chart of unemplyment, where you can click and find out the unemployment rate based on various social backgrounds: racial, gender, age and qualification. Based on data from the Bureau of Labor Statistics, the average unemployment rate for all men and women between Oct 2008 and Sep 2009 is 8.6%, and for the same perod, for black men aged 15-24 without a high school degree is 48.5%.
Carter, S., Cox, A., & Quealy, K. (2009) The Jobless rate for People like You. [online] http://www.nytimes.com/interactive/2009/11/06/business/economy/unemployment-lines.html