What's a clearance worth?

According to Clearancejobs.com, which specializes in helping job seekers find work that requires U.S. government clearances and matches them with contractors, quite a lot, in some cases. Recruiters say it can boost a salary 10 percent to 25 percent, depending on the person's skills, type of job, experience and level of clearance.

Chart illustrates the difference in pay top-secret clearance can make.

© 2010 The Washington Post Company