How many spies the U.S.  Government has?
3 million.
The official intelligence agencies in the U.S are:
•
 Office of the Director of National Intelligence
•
 Independent agencies
o
 Central Intelligence Agency (CIA)
•
 United States Department of Defense
o
 Defense Intelligence Agency (DIA)
o
 National Security Agency (NSA)
o
 National Geospatial-Intelligence Agency (NGA)
o
 National Reconnaissance Office (NRO)
o
 Air Force Intelligence, Surveillance and Reconnaissance Agency (AFISRA)
o
 Army Intelligence and Security Command (INSCOM)
o
 Marine Corps Intelligence Activity (MCIA)
o
 Office of Naval Intelligence (ONI)
•
 United States Department of Energy
o
 Office of Intelligence and Counterintelligence (OICI)
•
 United States Department of Homeland Security
o
 Office of Intelligence and Analysis (I&A)
o
 Coast Guard Intelligence (CGI)
•
 United States Department of Justice
o
 Federal Bureau of Investigation (FBI)
o
 Drug Enforcement Administration, Office of National Security Intelligence (DEA/ONSI)
•
 United States Department of State
o
 Bureau of Intelligence and Research (INR)
•
 United States Department of the Treasury
o
 Office of Terrorism and Financial Intelligence (TFI)[7]
The three biggest employers are
CIA = 135,000e employees
FBI = 30,485 employees
NSA= 30,000 employees
The rest of the intelligence agencies have around 500,000 employees.
Total amount of official spies in the US is around: 700,000 
This number is three time bigger if we account spies outside the U.S. and independent contractors spies.
Total number spies the U.S.  Government has:  it is around 3 million.