As of October 2010, nearly 4.2 million Americans hold security clearances, an increase of 45,000 from the previous year. Federal employees holding clearances number 2.8 million.
Contractors holding clearances totaled 541,097, down nearly 11,000 from the year before.
The ODNI said in its report the time required to process a clearance has shrunk in the past two years. In 2010, a clearance took an average of nearly 53 days to process. In 2006, the average processing time for initial clearances was 165 days.