Snapshot: the last 20 years of law enforcement activities in the United States
1,500,000 Civilians have been injured during contact with law enforcement.
8,768 At least 8,678 civilians have been killed by law enforcement officers.
300,000 Law enforcement officers have been injured after experiencing an assault on the job.
What we do
Our Law Enforcement Epidemiology Project aims to build a comprehensive surveillance system to better characterize the magnitude of civilian and law enforcement injuries that occur each year in the U.S. and to guide policy reform that addresses police use of force tactics and strategies to build community trust in the police.
Learn quick facts about the impact of police shootings and injuries
Our latest reports
Establish an active and sustainable surveillance program that will serve as a model for other states across the country.
Identify barriers to reporting.
Describe long-term impacts on individuals following an injury caused by law enforcement personnel.
Develop policy recommendations for police reform.
In one year in the U.S...
- More than 50 million persons in the U.S. have contact with police during a traffic stop, street stop, arrest, traffic accident or resident initiated contact, and 1 million experience use of or threat of force.
- 15% of civilians who experience police threat or use of force are injured.
- Nearly 250,000 civilian injuries are caused by law enforcement, and over 80,000 people suffer non-fatal injuries requiring hospitalization.
- More than 600 people are killed by law enforcement.
- African-American males make up 6.1% of the total U.S. population but 24.9% of all persons killed by law enforcement.
In Illinois in a given year...
- 10-20 civilians are killed by law enforcement. Since 2015, between 60-108 people have died in interactions with law enforcement.
- An average of 1500 people each year will require medical care in a hospital setting following injuries caused by law enforcement. 70-100 people experience serious injuries.
- African Americans, persons with motor disabilities and individuals with psychiatric conditions are more likely to be injured, suffer severe injuries and be killed during contact with law enforcement.
- African-American males make up 6.6% of the state’s population but comprise 53.3% of all persons killed by law enforcement.
In Chicago in one year...
- About 500 people each year require medical care in a hospital setting following injuries caused by law enforcement.
- About 10 people are killed by law enforcement.
- Of those seeking care following an injury by law enforcement, 77.3% are discharged home and only 18.3% are discharged to the care of law enforcement.
- In the past 10 years, the City of Chicago has paid out about $500 million in taxpayer money in civil suits for wrongful death, excessive force, false arrest, illegal detention, illegal search and seizure, civil rights violations and property damage.
Law enforcement personnel in a given year,
- As of 2019, over 1.2 million were employed as law enforcement personnel in the U.S. which includes parking enforcement, bailiffs, correctional officers, game wardens, transit police, federal and state police, county sheriffs and municipal police. The mean annual wage is $65,000.
- Approximately 18,000 are injured after being assaulted on the job, these do not include injuries caused during routine employment (falls, slips, motor vehicle collisions, etc.)
- Approximately 50-70 are feloniously killed by civilians with another 40-70 killed from other work-related causes (e.g. motor vehicle collisions or being struck by vehicle).
- While workers’ compensation data is not widely available, our past research demonstrates that the number of law enforcement injured on the job is substantially higher than the number resulting from assaults or pursuits, with many of these injuries resulting in permanent disability.