Top 15 Intelligence Agencies with Biggest Personnel Size

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2. United States of America

Estimated number of personnel employed by the country: 142,000

Unsurprisingly, the United States of America has over 140,000 people employed in its famous and infamous agencies such as the National Security Agency, the Federal Bureau of Investigation and the Central Intelligence Agency, whose wide berth of activities require a large number of personnel.

Dirtiest Cities in America Top 15 Intelligence Agencies with Biggest Personnel Size

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