Survey descriptions

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Incident-based Uniform Crime Reporting Survey

The Incident-based Uniform Crime Reporting (UCR2) Survey collects detailed information on criminal incidents that have come to the attention of, and have been substantiated by Canadian police services. Information includes characteristics pertaining to incidents (weapon, location), victims (age, sex, accused-victim relationships) and accused persons (age, sex). In 2011, data from police services covered 99% of the population of Canada.

The UCR2 Trend Database (2009 to 2011) represents 99% of police services in Canada. Analysis of this three-year trend database is limited to only those offences that have complete victim records and where UCR offence classification has remained constant over the three-year period. For the purpose of this Juristat article, the offences included in the trend analysis include attempted murder, physical assault (levels 1, 2, and 3) and sexual assault (levels 1, 2, and 3).

Homicide Survey

The Homicide Survey collects detailed information on all homicides that have come to the attention of, and have been substantiated by, Canadian police services. Information includes characteristics pertaining to incidents (weapon, location), victims (age, sex, accused-victim relationship), and accused persons (age, sex). Coverage for the Homicide Survey has represented 100% of the population since recording began in 1961. The count for a particular year represents all homicides reported in that year, regardless of when the death actually occurred.

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