Title: Crime drop - Wikipedia
Headings: Crime drop
Crime drop
Contents
Historical context
Decline since the Middle Ages in Western Europe
Increase between the late 1950s and early 1990s
Global level
Homicide rates as comparative value
Decline since the early 1990s
Development by region
Germany
United States
Proposed explanations
Lead
Air pollution
Abortion
Drug use and demand
Economic factors
Immigration
Incarceration
Policing
Security hypothesis
See also
References
Further reading
External links

Content: To bridge over remaining differences, the United Nations Office on Drugs and Crime (UNODC) developed a framework for the definition and classification of unlawful killings, both in conflict and non-conflict situations, the International Classification of Crime for Statistical Purposes (ICCS). In short, homicide is defined in ICCS as “unlawful death inflicted upon a person with the intent to cause death or serious injury”. Decline since the early 1990s
Declining trend of homicide rates from 1990 to 2017 for: Asia, Australia and New Zealand, Europe, Northern America, World
Increasing trend of homicide rates from 1990 to 2017 for: Central America, South America, declining on World level
The United Nations Office on Drugs and Crime investigates the international development of crime using homicide rates as indicator. Both diagrams in this paragraph are from the Global Study on Homicide 2019. A decline has been observed in the regions Europe, North America, Australia and New Zealand, and Asia. In Europe, the decline was most evident. Here, the rates dropped nearly by two thirds, from 8.8 cases per 100,000 per year in 1994 to below 3 in 2017. On a world level, there was only a small decline, from 7.4 in 1993 to 6 in 2007.