The Uniform Crime Reporting (UCR) program compiles official data on crime and in turn is published by the Federal Bureau of Investigation (FBI). UCR is a nationwide, cooperative statistical effort of over 18,000 city, university and college, county, state, tribal, and federal law enforcement agencies voluntarily reporting data on crimes brought to their attention. UCR statistics focuses on eight (8) major crimes, commonly known at Part 1 crimes and are listed above.
What does clearance rate mean?
Simply put, a police department's clearance rate is calculated by dividing the number of crimes that are "cleared" (criminal charges being brought) by the total number of crimes recorded. Clearance rates are often used as a measure of a police department's effectiveness. It should be noted that a "clear" doesn't always equate to an arrest and that it may sometimes merely indicate that the person who committed the offense has been identified. (ie, the case has been solved)
*National average for Part 1 crimes, clearance rate: 31.6%
*State average for Part 1 crimes, clearance rate: 21.8%
*Essex County average for Part 1 crimes, clearance rate: 16%