First, it should be noted that the figures Swann gives are out of date: in 2010, according to the FBI, the reported rate of violent crime in the US was 403 incidents per 100,000 peoplethe 466 figure comes from 2007. Second, and more importantly, the FBIs Uniform Crime Reports defines a violent crime as one of four specific offenses: murder and nonnegligent manslaughter, forcible rape, robbery, and aggravated assault.
The British Home Office, by contrast, has a substantially different definition of violent crime. The British definition includes all crimes against the person, including simple assaults, all robberies, and all sexual offenses, as opposed to the FBI, which only counts aggravated assaults and forcible rapes.
When you look at how this changes the meaning of violent crime, it becomes clear how misleading it is to compare rates of violent crime in the US and the UK. Youre simply comparing two different sets of crimes. In 2009/10, for instance (annual data is from September to September), British police recorded 871,712 crimes against persons, 54,509 sexual offenses, and 75,101 robberies in England and Wales. Based on the 2010 population of 55.6 million, this gives a staggeringly high violent crime rate of 1,797 offenses per 100,00 people.
But of the 871,000 crimes against the person, less than half (401,000) involved any actual injury. The remainder were mostly crimes like simple assault without injury, harassment, possession of an article with a blade or point, and causing public fear, alarm, or distress. And of the 54,000 sexual offenses, only a quarter (15,000) were rapes. This makes it abundantly clear that the naive comparison of crime rates either wildly overstates the amount of violence in the UK or wildly understates it in the US.