1. Nursing, psychiatric, and home health aides—33.1%

2. Postal service mail sorters, processors, and processing machine operators—30.5%

3. Barbers—27.7%

4. Security guards and gaming surveillance officers—27.2%

5. Railroad conductors and yardmasters—27.2%

6. Taxi drivers and chauffeurs—26.7%

7. Phlebotomists—26.7%

8. Parking lot attendants—26.6%

9. Postal service clerks—26.4%

10. Bailiffs, correctional officers, and jailers—25.1%

-David Wallechinsky

To Learn More:

Labor Force Characteristics by Race and Ethnicity, 2011 (U.S. Bureau of Labor Statistics) (table 8) (pdf)