3,013 murderers in the United States in 2023 were individuals between the ages of 20 and 24. In the same year, there were seven murderer offenders aged between one and four years. Murder rate in the United States Despite some feeling that violent crime in the United States is on the rise, perhaps due to sensationalized media coverage, the murder and nonnegligent manslaughter rate has declined steeply since 1990. The murder rate has risen some since 2014, but it is nowhere near its peak in 1991. Murder victims in the U.S. The vast majority of murders in the U.S. were committed with firearms, including handguns, rifles, shotguns, and other unidentified guns or firearms. This is generally attributed to the high rate of gun ownership in the United States, which makes guns more accessible than in other countries.

Number of homicide victims, by method used to commit the homicide (total methods used; shooting; stabbing; beating; strangulation; fire (burns or suffocation); other methods used; methods used unknown), Canada, 1974 to 2023.

In 2023 in the United States, 12 people were murdered by their employer. However, 3,527 people were killed by an acquaintance compared to 1,674 who were killed by a stranger. A ranking of the total number of murders by U.S. state can be found here.

THIS DATASET WAS LAST UPDATED AT 2:11 AM EASTERN ON JULY 12

OVERVIEW

2019 had the most mass killings since at least the 1970s, according to the Associated Press/USA TODAY/Northeastern University Mass Killings Database.

In all, there were 45 mass killings, defined as when four or more people are killed excluding the perpetrator. Of those, 33 were mass shootings . This summer was especially violent, with three high-profile public mass shootings occurring in the span of just four weeks, leaving 38 killed and 66 injured.

A total of 229 people died in mass killings in 2019.

The AP's analysis found that more than 50% of the incidents were family annihilations, which is similar to prior years. Although they are far less common, the 9 public mass shootings during the year were the most deadly type of mass murder, resulting in 73 people's deaths, not including the assailants.

One-third of the offenders died at the scene of the killing or soon after, half from suicides.

About this Dataset

The Associated Press/USA TODAY/Northeastern University Mass Killings database tracks all U.S. homicides since 2006 involving four or more people killed (not including the offender) over a short period of time (24 hours) regardless of weapon, location, victim-offender relationship or motive. The database includes information on these and other characteristics concerning the incidents, offenders, and victims.

The AP/USA TODAY/Northeastern database represents the most complete tracking of mass murders by the above definition currently available. Other efforts, such as the Gun Violence Archive or Everytown for Gun Safety may include events that do not meet our criteria, but a review of these sites and others indicates that this database contains every event that matches the definition, including some not tracked by other organizations.

This data will be updated periodically and can be used as an ongoing resource to help cover these events.

Using this Dataset

To get basic counts of incidents of mass killings and mass shootings by year nationwide, use these queries:

Mass killings by year

Mass shootings by year

To get these counts just for your state:

Filter killings by state

Definition of "mass murder"

Mass murder is defined as the intentional killing of four or more victims by any means within a 24-hour period, excluding the deaths of unborn children and the offender(s). The standard of four or more dead was initially set by the FBI.

This definition does not exclude cases based on method (e.g., shootings only), type or motivation (e.g., public only), victim-offender relationship (e.g., strangers only), or number of locations (e.g., one). The time frame of 24 hours was chosen to eliminate conflation with spree killers, who kill multiple victims in quick succession in different locations or incidents, and to satisfy the traditional requirement of occurring in a “single incident.”

Offenders who commit mass murder during a spree (before or after committing additional homicides) are included in the database, and all victims within seven days of the mass murder are included in the victim count. Negligent homicides related to driving under the influence or accidental fires are excluded due to the lack of offender intent. Only incidents occurring within the 50 states and Washington D.C. are considered.

Methodology

Project researchers first identified potential incidents using the Federal Bureau of Investigation’s Supplementary Homicide Reports (SHR). Homicide incidents in the SHR were flagged as potential mass murder cases if four or more victims were reported on the same record, and the type of death was murder or non-negligent manslaughter.

Cases were subsequently verified utilizing media accounts, court documents, academic journal articles, books, and local law enforcement records obtained through Freedom of Information Act (FOIA) requests. Each data point was corroborated by multiple sources, which were compiled into a single document to assess the quality of information.

In case(s) of contradiction among sources, official law enforcement or court records were used, when available, followed by the most recent media or academic source.

Case information was subsequently compared with every other known mass murder database to ensure reliability and validity. Incidents listed in the SHR that could not be independently verified were excluded from the database.

Project researchers also conducted extensive searches for incidents not reported in the SHR during the time period, utilizing internet search engines, Lexis-Nexis, and Newspapers.com. Search terms include: [number] dead, [number] killed, [number] slain, [number] murdered, [number] homicide, mass murder, mass shooting, massacre, rampage, family killing, familicide, and arson murder. Offender, victim, and location names were also directly searched when available.

This project started at USA TODAY in 2012.

Contacts

Contact AP Data Editor Justin Myers with questions, suggestions or comments about this dataset at jmyers@ap.org. The Northeastern University researcher working with AP and USA TODAY is Professor James Alan Fox, who can be reached at j.fox@northeastern.edu or 617-416-4400.

The graph illustrates the murder rate in the United States from 1985 to 2023. The x-axis represents the years, labeled with two-digit abbreviations from '85 to '23, while the y-axis shows the annual murder rate per 100,000 individuals. Throughout this 39-year period, the murder rate fluctuates between a high of 10.66 in 1991 and a low of 4.7 in 2014. Overall, the data reveals a significant downward trend in the murder rate from the mid-1980s, reaching its lowest point in the mid-2010s, followed by slight increases in the most recent years.

The dataset contains year-, state-, type-of-crime- and gender-wise compiled data on the number of different types of crimes which were committed against children and the number of victims who were affected by the same crimes. The different types of crimes covered in the dataset include kidnapping and abduction crimes such as kidanapping and abduction for the purpose of murder, begging, ransom, compelling for marriage, procuration of minor girls, importation of girls from foreign countries, missing deemed as kidnapped, etc., fatal crimes such as murder, attempt to commit murder, muder with rape, abetment of suicide of child, infanticide, foeticide, trafficking and sexual crimes such buying and selling of minors for prostitution, use of children for pornography, transmiting sexual content and material involving children in sexually explicit acts, sexual assualt, penetrative sexual assault, rape, and other crimes such as child labour, child marriage, exposure, abandaonment, simple hurt, grievous hurt, insult and assualt of damage modesty, crimes under juvenile justice act and transplantation of organs act, etc.

Singapore murder/homicide rate per 100K population for 2021 was 0.10, a 40.31% decline from 2020.

<ul style='margin-top:20px;'>

<li>Singapore murder/homicide rate per 100K population for 2020 was <strong>0.17</strong>, a <strong>17.28% decline</strong> from 2019.</li>
<li>Singapore murder/homicide rate per 100K population for 2019 was <strong>0.20</strong>, a <strong>32.16% increase</strong> from 2018.</li>
<li>Singapore murder/homicide rate per 100K population for 2018 was <strong>0.15</strong>, a <strong>18.89% decline</strong> from 2017.</li>
</ul>Intentional homicides are estimates of unlawful homicides purposely inflicted as a result of domestic disputes, interpersonal violence, violent conflicts over land resources, intergang violence over turf or control, and predatory violence and killing by armed groups. Intentional homicide does not include all intentional killing; the difference is usually in the organization of the killing. Individuals or small groups usually commit homicide, whereas killing in armed conflict is usually committed by fairly cohesive groups of up to several hundred members and is thus usually excluded.

Historical chart and dataset showing Norway murder/homicide rate per 100K population by year from 1990 to 2021.

Number, rate and percentage changes in rates of homicide victims, Canada, provinces and territories, 1961 to 2023.

Number and percentage of homicide victims, by type of firearm used to commit the homicide (total firearms; handgun; rifle or shotgun; other firearm-like weapons; firearm, type of firearm is unknown), Canada, 1974 to 2023.

Australia murder/homicide rate per 100K population for 2021 was 0.74, a 13.52% decline from 2020.

<ul style='margin-top:20px;'>

<li>Australia murder/homicide rate per 100K population for 2020 was <strong>0.86</strong>, a <strong>2.98% decline</strong> from 2019.</li>
<li>Australia murder/homicide rate per 100K population for 2019 was <strong>0.89</strong>, a <strong>0.29% increase</strong> from 2018.</li>
<li>Australia murder/homicide rate per 100K population for 2018 was <strong>0.88</strong>, a <strong>4.6% increase</strong> from 2017.</li>
</ul>Intentional homicides are estimates of unlawful homicides purposely inflicted as a result of domestic disputes, interpersonal violence, violent conflicts over land resources, intergang violence over turf or control, and predatory violence and killing by armed groups. Intentional homicide does not include all intentional killing; the difference is usually in the organization of the killing. Individuals or small groups usually commit homicide, whereas killing in armed conflict is usually committed by fairly cohesive groups of up to several hundred members and is thus usually excluded.

In 2023, property crime was the most common type of crime committed in the United States, with over 6.41 million offenses reported to the FBI. In the same year, there were around 1.22 million cases of violent crime reported to the FBI, of which there were 19,252 cases of homicide, including murder and nonnegligent manslaughter.

Turkey murder/homicide rate per 100K population for 2021 was 2.52, a 0.56% increase from 2020.

<ul style='margin-top:20px;'>

<li>Turkey murder/homicide rate per 100K population for 2020 was <strong>2.51</strong>, a <strong>3.55% increase</strong> from 2019.</li>
<li>Turkey murder/homicide rate per 100K population for 2019 was <strong>2.42</strong>, a <strong>7.28% decline</strong> from 2018.</li>
<li>Turkey murder/homicide rate per 100K population for 2018 was <strong>2.61</strong>, a <strong>15.69% decline</strong> from 2017.</li>
</ul>Intentional homicides are estimates of unlawful homicides purposely inflicted as a result of domestic disputes, interpersonal violence, violent conflicts over land resources, intergang violence over turf or control, and predatory violence and killing by armed groups. Intentional homicide does not include all intentional killing; the difference is usually in the organization of the killing. Individuals or small groups usually commit homicide, whereas killing in armed conflict is usually committed by fairly cohesive groups of up to several hundred members and is thus usually excluded.

How many criminal homicides were there in the U.S.? In 2023, there were 19,252 reported cases of murder or non-negligent manslaughter in the United States, a decrease from 21,781 cases reported in the previous year. This figure has also decreased in comparison to 1991, when there were 24,700 reported murder and non-negligent manslaughter cases. Murder vs. Manslaughter While it is can be easy to confuse the two terms, murder and nonnegligent manslaughter are two different crimes. While there is some variation from state to state, murder is usually seen as having some planning or forethought involved in the crime, while manslaughter is considered to be a “crime of passion,” with the absence of forethought. Courts tend to differentiate between the states of mind of the accused when bringing manslaughter or murder charges against them. The victims In the United States, there were far more male murder victims than female murder victims, and Black victims made up a large proportion of the total number of victims. Additionally, many murders in the U.S. are perpetrated by either an acquaintance of the victim or a stranger.

Number, percentage and rate (per 100,000 population) of homicide victims, by gender (all genders; male; female; gender unknown) and Indigenous identity (total; Indigenous identity; non-Indigenous identity; unknown Indigenous identity), Canada, provinces and territories, 2014 to 2023.

Switzerland murder/homicide rate per 100K population for 2021 was 0.48, a 11.19% decline from 2020.

<ul style='margin-top:20px;'>

<li>Switzerland murder/homicide rate per 100K population for 2020 was <strong>0.54</strong>, a <strong>1.44% increase</strong> from 2019.</li>
<li>Switzerland murder/homicide rate per 100K population for 2019 was <strong>0.54</strong>, a <strong>8.65% decline</strong> from 2018.</li>
<li>Switzerland murder/homicide rate per 100K population for 2018 was <strong>0.59</strong>, a <strong>10.29% increase</strong> from 2017.</li>
</ul>Intentional homicides are estimates of unlawful homicides purposely inflicted as a result of domestic disputes, interpersonal violence, violent conflicts over land resources, intergang violence over turf or control, and predatory violence and killing by armed groups. Intentional homicide does not include all intentional killing; the difference is usually in the organization of the killing. Individuals or small groups usually commit homicide, whereas killing in armed conflict is usually committed by fairly cohesive groups of up to several hundred members and is thus usually excluded.

The dataset contains year-, state- and city-wise historicallycompiled data on the number of cyber crimes committed in India in cities with over one million population, categorized by motives with which the crimes were committed. The different types of crimes covered in the dataset include Personal Revenge, Anger, Fraud, Extortion, Causing Disrepute, Prank, Sexual Exploitation, Political Motives, Terrorist Activities, Inciting Hate against, Country, Disrupt Public Service, Sale or Purchase illegal drugs or other items, Developing own business or interest, Spreading Piracy, Psycho or Pervert, Steal Information, Abetment to Suicide, Terrorist Recruitment, Terrorist Funding, Illegal Gain, Revenge, Insult to Modesty of Women, Extortion or Blackmailing, Prank or Satisfaction of Gaining Control, Inciting Hate Crimes Against Community, Piracy, Steal Information for Espionage, Serious Psychiatric Illness viz. Perversion, etc., Revenge or Settling scores, Greed or Money, Fraud or Illegal Gain, Eve Teasing or Harassment, etc.

In 2023, 52 murders were committed in Trinidad and Tobago's capital, Port of Spain. The number of homicides registered in the city remained relatively constant between 2016 and 2018, peaking in 2015 when 87 homicides were registered in the city.

Ukraine murder/homicide rate per 100K population for 2021 was 3.84, a 0.62% decline from 2020.

<ul style='margin-top:20px;'>

<li>Ukraine murder/homicide rate per 100K population for 2020 was <strong>3.87</strong>, a <strong>6.06% decline</strong> from 2019.</li>
<li>Ukraine murder/homicide rate per 100K population for 2019 was <strong>4.12</strong>, a <strong>8.61% decline</strong> from 2018.</li>
<li>Ukraine murder/homicide rate per 100K population for 2018 was <strong>4.50</strong>, a <strong>26.88% decline</strong> from 2017.</li>
</ul>Intentional homicides are estimates of unlawful homicides purposely inflicted as a result of domestic disputes, interpersonal violence, violent conflicts over land resources, intergang violence over turf or control, and predatory violence and killing by armed groups. Intentional homicide does not include all intentional killing; the difference is usually in the organization of the killing. Individuals or small groups usually commit homicide, whereas killing in armed conflict is usually committed by fairly cohesive groups of up to several hundred members and is thus usually excluded.

Ireland murder/homicide rate per 100K population for 2021 was 0.44, a 33.87% decline from 2020.

<ul style='margin-top:20px;'>

<li>Ireland murder/homicide rate per 100K population for 2020 was <strong>0.67</strong>, a <strong>2.08% increase</strong> from 2019.</li>
<li>Ireland murder/homicide rate per 100K population for 2019 was <strong>0.65</strong>, a <strong>18.98% decline</strong> from 2018.</li>
<li>Ireland murder/homicide rate per 100K population for 2018 was <strong>0.81</strong>, a <strong>1.3% decline</strong> from 2017.</li>
</ul>Intentional homicides are estimates of unlawful homicides purposely inflicted as a result of domestic disputes, interpersonal violence, violent conflicts over land resources, intergang violence over turf or control, and predatory violence and killing by armed groups. Intentional homicide does not include all intentional killing; the difference is usually in the organization of the killing. Individuals or small groups usually commit homicide, whereas killing in armed conflict is usually committed by fairly cohesive groups of up to several hundred members and is thus usually excluded.