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Crime & Justice Electronic Data Abstracts

Law Enforcement Statistics

Federal Law Enforcement
State and Local Law Enforcement
Campus Law Enforcement

See Data Online for Law Enforcement Management and Administrative Statistics for State and large local agencies.

Law Enforcement Officers Killed and Assaulted reports are available from the FBI.

Additional information on trends in law enforcement officers killed is available from Homicide Trends in the United States, a section of the BJS web site which outlines patterns and trends in homicide since 1976.


Summary findings

In 2004 there were more than 800,000 full-time sworn law enforcement officers in the United States

Type of agency Number of agencies Number of full-time
sworn officers

Total 836,787  
All State and local 17,876 731,903  
Local police 12,766 446,974  
Sheriff 3,067 175,018  
Primary State 49 58,190  
Special jurisdiction 1,481 49,398  
Constable/Marshal 513 2,323  
Federal* 104,884  

Note: Special jurisdiction category includes both State-level and local-level agencies. Consolidated police-sheriffs are included under local police category. Agency counts exclude those operating on a part-time basis.
*Non-military federal officers authorized to carry firearms and make arrests.

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BJS Law enforcement data collections

Law Enforcement Management and Administrative Statistics (LEMAS), conducted every 3 to 4 years, collects data from over 3,000 State and local law enforcement agencies, including all those that employ 100 or more sworn officers and a nationally representative sample of smaller agencies. Data are obtained on the organization and administration of police and sheriffs' departments including agency responsibilities, operating expenditures, job functions of sworn and civilian employees, officer salaries and special pay, demographic characteristics of officers, weapons and armor policies, education and training requirements, computers and information systems, vehicles, special units, and community policing activities.
1987, 1990, 1993, 1997, 1999, 2000, 2003

2003 Sample Survey of Law Enforcement Agencies (CJ-44) (77K)
     1999 version | 1997 version

2000 Census of State and Local Law Enforcement Agencies (CJ-38L), Acrobat file (91K)

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Codebooks and Datasets

Census of State and Local Law Enforcement Agencies provides data on all State and local law enforcement agencies operating nationwide. Data collected include the number of sworn and civilian personnel by State and type of agency.
1992, 1996, 2000, 2004

2000 questionnaire (CJ-38S), Acrobat file (43K)

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Codebooks and Datasets

Survey of Campus Law Enforcement Agencies, provides data describing nearly 600 campus law enforcement agencies serving U.S. 4-year universities or colleges with 2,500 or more students. Data are collected on agency personnel, expenditures and pay, operations, equipment, computers and information systems, policies, and special programs.
1995

Codebooks and Datasets

Census of Federal Law Enforcement Officers provides national data on Federal law enforcement agencies with arrest and firearms authority. Data collected include the number of officers working in the areas of criminal investigation and enforcement, police patrol and response, security and protection, court operations, and corrections, by agency and State.
1993, 1996, 1998, 2000, 2002, 2004

Codebooks and Datasets

Police-Public Contact Survey provides detailed information on the nature and characteristics of face-to-face contacts between police and the public, including the reason for and outcome of the contact. Every 3 years, the PPCS interviews a nationally representative sample of more than 60,000 residents age 16 or older as a supplement to the National Crime Victimization Survey. The survey enables BJS to estimate the likelihood of a driver being pulled over in a traffic stop and the percentage of all contacts that involve the use of force by police.
1996, 1999, 2002, 2005

Police-Public Contact Survey questionnaire: Acrobat file (169K)

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State Police Traffic Stop Data Collection Procedures collected data from the Nation's 49 State law enforcement agencies with traffic patrol responsibility about their policies for recording race and ethnicity data for persons in traffic stops. The questionnaire, mailed out in March 2001, obtained basic information on the circumstances under which demographic data were collected for traffic-related stops and whether this information was stored in an electronically accessible format. The data collection was not designed to obtain available agency databases containing traffic-stop records.
1999, 2001, 2004

SSP-1 questionnaire, Acrobat file (52K)

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Survey of DNA Crime Laboratories provides national data on publicly operated forensic crime laboratories that perform DNA analyses. Data collected include personnel, budgets and expenditures, workloads, equipment, procedures and policies, and data processing.
1999, 2001

2001 questionnaire, Acrobat file (87K)

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The Census of Law Enforcement Training Academies obtains data from all state and local law enforcement academies offering basic training.  Data are collected on the number and type of staff, requirements for instructors, operating budget, funding sources, training curriculum. number of recruits trained, race and gender of recruits, and completion rates. 
2002, 2006

2002 questionnaire, Acrobat file (273K)

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Census of Publicly Funded Forensic Crime Laboratories collects data on staff, budgets, operating procedures, case workloads, training, and resource needs from among the Nation's more than 300 crime labs. This Bureau of Justice Statistics census represents the first national census of crime labs. Census information will be used to better understand the number of cases processed by these labs and the amount of resources required to meet the increased demand for forensic services. In developing and implementing this census, BJS worked closely with the American Society of Crime Laboratory Directors (ASCLAD).
2002, 2005

2005 questionnaire, Acrobat file (1.2M)

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The Census of Medical Examiner and Coroner Offices is the first data collection effort by the Bureau of Justice Statistics to focus on the medico-legal investigation of deaths. Information collected will cover agency personnel, expenditures, functions, workload, and needs. Also to collect agency-level data on the number of unidentified remains held within each system. Findings from the Census will provide a broad picture of the current state of medico-legal investigation in the U.S. Representative datasets.

2005 questionnaire, Acrobat file (152K)

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Census of Law Enforcement Aviation Units (CLEAU) provides data on the specialized airborne police units that operate fixed-wing planes or helicopters within state and local law enforcement agencies.  Data collected include the equipment, expenditures, personnel, pilot training and licensing requirements, safety measures, and operations performed by aviation units.

2007 questionnaire, Acrobat file (158K)

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Also by BJS staff

Langan, Patrick A. and Matthew R. Durose (BJS statisticians) The Remarkable Drop in Crime in New York City, (Paper presented at the International Conference on Crime, Rome, Italy, December 2003)

Hickman, Matthew J. (BJS statistician); Alex R. Piquero, and Jack R, Greene, eds., Police Integrity and Ethics, [Belmont, CA: Wadsworth Group, 2004]

See articles from Police Integrity and Ethics:

Hickman, Matthew J. (BJS statistician); Alex R. Piquero, and Jack R, Greene "Police Integrity: Exploring the Utility of a Risk Factor Model."

Smith, Steven K. (BJS statistician); "Citizen Behavior and Police Use of Force: An Examination of National Survey Data."

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Related sites

See the subtopic pages for additional links

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Page last revised on July 9 , 2009