Whatever the causes, they are unknown, and cross national. I think we are talking about video and computer addiction, obesity epidemic, feminist, PC education.
"There was an unexpected 8% drop in crime recorded by the police in the 12 months to September with falls in burglary, robbery and violence despite the recession, according to the quarterly crime figures (pdf) published this morning.
The Home Office data also confirms that the murder rate in England and Wales has fallen (pdf) to a 20-year low, with 651 homicides in 2008/09 – 102 fewer than the previous year.
The latest British Crime Survey, based on people's experience of crime, also published today, shows that crime was broadly stable over the 12 months to September 2009 in England and Wales. However, it reports that the risk of becoming a victim of crime has fallen to a new historical low of 22%."
2 years ago