The scene at a career fair in San Francisco on May 30. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

A man interviews for a job in Detroit. The unemployment rate for black Americans in Michigan was 18.7 percent in 2012, more that twice the rate for whites in the state. Paul Sancya/AP hide caption

itoggle caption Paul Sancya/AP

Enzo Vizcaíno, a 24-year-old unemployed Spaniard, isn't singing for his supper. He just wants a job. mrenzovic/youtube.com hide caption

itoggle caption mrenzovic/youtube.com

Looking for work: The scene at a job fair in New York City earlier this year. Figures on job growth and unemployment in April are due Friday morning. Shannon Stapleton /Reuters /Landov hide caption

itoggle caption Shannon Stapleton /Reuters /Landov