■In 2011, all four of the violent crime offense categories—murder and nonnegligent manslaughter, forcible rape, robbery, and aggravated assault—declined nationwide when compared with data from 2010. Murder and nonnegligent manslaughter declined 1.9 percent, while forcible rape, robbery, and aggravated assault each declined 4.0 percent.
■Violent crime declined in all city groups. Cities with populations of 50,000 to 99,999 saw the largest decrease (5.2 percent) in violent crime. Violent crime decreased 6.6 percent in metropolitan counties and 4.7 percent in nonmetropolitan counties.
■Within city groups, murder and nonnegligent manslaughter offenses increased the most (18.3 percent) in cities with populations under 10,000. Cities with populations of 50,000 to 99,999 showed the largest decrease of murder and nonnegligent manslaughter offenses (14.4 percent).
■All city groupings experienced a decline in forcible rapes except in cities with 500,000 to 999,999 inhabitants, which had the increase in forcible rapes (0.5 percent). Forcible rape offenses declined 6.8 percent in metropolitan counties and 9.0 percent in nonmetropolitan counties.
■Robbery offenses decreased in all city groupings, with the greatest decrease (5.3 percent) in cities with 50,000 to 99,999 inhabitants. Robberies decreased 7.5 percent in metropolitan counties and 3.6 percent in nonmetropolitan counties.
■Aggravated assaults decreased in all city groups. Cities with 50,000 to 99,999 inhabitants experienced the largest decrease at 5.3 percent. Aggravated assaults declined in both county groups, with a decrease of 6.3 percent in metropolitan counties and 4.2 percent in nonmetropolitan counties.
■Violent crime decreased in all four regions (4.9 percent in the Midwest, 4.7 percent in the West, 4.5 percent in the South, and 0.8 percent in the Northeast).
■Nationally, the property crime offense categories of larceny-theft and motor vehicle theft decreased in 2011 when compared with 2010 data. Motor vehicle theft dropped 3.3 percent, and larceny-theft decreased 0.9 percent. However, burglary offenses increased 0.3 percent.
■Property crime increased 0.3 percent in cities with 250,000 to 499,999 inhabitants and increased 0.1 percent in cities with 10,000 to 24,999 in population. Decreases in property crime were reported in all other city groupings. Property crime decreased 1.4 percent in metropolitan counties but increased 2.6 percent in nonmetropolitan counties.
■Burglary offenses increased 1.2 percent in cities with 50,000 to 99,999 persons, which is the largest increase reported within city groupings. Burglaries increased 1.0 percent in nonmetropolitan counties.
■Larceny-theft offenses decreased in all city groupings except those with populations of 250,000 to 499,999, which had an increase of 0.2 percent, and those with fewer than 10,000 inhabitants, which showed virtually no change. Larceny-thefts increased 4.1 percent in nonmetropolitan counties.
■Motor vehicle thefts declined in all population groupings. Cities with 100,000 to 249,999 inhabitants experienced the largest decline at 4.3 percent. Metropolitan counties reported a 6.1 percent decrease in motor vehicle thefts.
■Three of the nation’s regions had decreases in property crime in 2011 when compared with data from 2010. These offenses declined 1.3 percent in the South, 0.8 percent in the West, and 0.4 percent in the Midwest. However, property crimes increased 0.2 percent in the Northeast.
■Arson offenses, which are not included in property crime totals, decreased 5.0 percent nationwide. Arsons declined in all four regions in 2011, with the Northeast experiencing the largest decrease (12.3 percent).
For definitions of the offenses presented in this release and collected for the accompanying report, please see Offense Definitions from Crime in the United States, 2010.