The UCR Program collects information on crimes reported by law enforcement agencies regarding the violent crimes of murder and nonnegligent manslaughter, forcible rape, robbery, and aggravated assault, as well as the property crimes of burglary, larceny-theft, motor vehicle theft, and arson. The program also collects arrest data for the offenses listed above plus 20 additional offenses that include all other crimes except traffic violations.
In 2011, there were 18,233 city, county, university and college, state, tribal, and federal agencies that participated in the UCR Program. A summary of the statistics reported by these agencies, which are included in Crime in the United States, 2011, follows:
- Nationwide in 2011, there were an estimated 1,203,564 violent crimes.
- Each of the four violent crime offense estimates decreased when compared with the 2010 estimates. Robbery had the largest decrease at 4.0 percent, followed by aggravated assault with a 3.9 percent decline, forcible rape with a 2.5 percent decline, and murder and nonnegligent manslaughter with a 0.7 percent decrease.
- Nationwide in 2011, there were an estimated 9,063,173 property crimes.
- There was a 3.3 percent decline in motor vehicle theft and a 0.7 percent decline in larceny-theft offenses. Estimated burglary offenses increased by 0.9 percent when compared with the 2010 estimate.
- Collectively, victims of property crimes (excluding arson) lost an estimated $15.6 billion in 2011.
- Agencies nationwide made about 12.4 million arrests, excluding traffic violations.
- The 2011 arrest rate for violent crimes was 172.3 per 100,000 inhabitants; for property crime, the rate was 531.3 per 100,000 inhabitants.
- By violent crime offense, the arrest rate for murder and nonnegligent manslaughter was 3.5; forcible rape, 6.3; robbery, 34.5; and aggravated assault was 128.0 arrests per 100,000 inhabitants.
- By property crime offense, the arrest rate for burglary was 95.6; larceny-theft, 410.6; and motor vehicle theft, 21.4 per 100,000 inhabitants. The arrest rate for arson was 3.8 per 100,000 inhabitants.
- In 2011, there were 14,633 law enforcement agencies that reported. These agencies reported that, as of October 31, 2011, they collectively employed 698,460 sworn officers and 303,524 civilians, a rate of 3.4 employees for each 1,000 inhabitants.