In 2013, there were 12,253 homicides in the United States, according to data received by the Federal Bureau of Investigation statistics. FBI homicide data considered age, sex, race of the murder victim and offender, the type of weapon involved and other circumstances surrounding the homicide.
Of the 12,253 murder victims in 2013, over 77 percent were male, and in instances where race was known, 51.7 percent were black, 45.7 percent were white and 2.5 percent were a different race. The race of 147 of the homicide victims was not known.
The vast majority of homicide offenses were committed by males, totaling 89.3 percent. To the extent race was known, 53.6 percent of offenders were black, 43.9 percent were white and 2.5 percent were a different race. The race of 4,112 offenders was not known.
Of homicide incidents in which the relationship of the murder victim and offender was known, 55.9 percent of homicide victims knew their killers. Family members accounted for 24.9 percent of offenders. In 45.5 percent of homicides, the relationship of victims and offenders was not known.
Sixty-nine percent of the homicides involved the use of firearms, with handguns accounting for 68.4 percent of the firearms used. These included incidents of murder and non-negligent manslaughter.
In 2013, there were 742 justifiable homicides. Law enforcement officers accounted for 461 justifiable homicides, while private citizens accounted for 281.