2014 Report on Security Clearance Determinations
http://fas.org/sgp/othergov/intel/clear-2014.pdf
Reports on the number of persons with security clearances for classified information in the federal government and trends in the number of such clearances. In 2014 the number of persons holding such clearances declined by 12.3% or 164,000 persons. From the office of the Director of National Intelligence
