If the crimes went un-reported how could there possibly be any statistics kept on this?
It is estimated that 60% of all accidents are unreported
Crimes may go unreported
UK Crime Stats for England and Wales show 512,750 reported crimes for November 2011. Many more crimes go unreported. That's about 1700 per day.
15%
Unreported World was created in 2000.
55.6%
25%
The duration of Unreported World is 1440.0 seconds.
The uniform crime report's pros are that the final data is independent of population and readily available. The major con is that it is based only on reported crimes. There is no way to quantify crimes that go unreported. The national crime victimization survey focuses on unreported crime by asking people if they've been victimized and whether they reported it. Although this is a large pro, a con is that it is easy for the people being interviewed to lie.
It is difficult to provide an exact percentage as it can vary based on different factors such as demographics, types of murder, and criminal history. However, research suggests that a significant proportion of murderers do not commit another homicide after their first offense, while a smaller percentage may repeat the crime.
1/3 is reported to the police.
There are no reliable statistic on this subject which can be referred to.