Home Crime in the U.S. 2015 Crime in the U.S. 2015 Tables Table 19 Table 19 Data Declaration

Table 19 Data Declaration

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Rate: Number of Crimes per 100,000 Inhabitants, Additional Information About Selected Offenses by Population Group, 2015

The FBI collects these data through the Uniform Crime Reporting (UCR) Program.

Important note about rape data

In 2013, the UCR Program initiated the collection of rape data under a revised definition and removed the term “forcible” from the offense name. The UCR Program now defines rape as follows:

Rape (revised definition): Penetration, no matter how slight, of the vagina or anus with any body part or object, or oral penetration by a sex organ of another person, without the consent of the victim. (This includes the offenses of rape, sodomy, and sexual assault with an object as converted from data submitted via the National Incident-Based Reporting System.)

Rape (legacy definition): The carnal knowledge of a female forcibly and against her will.

General comments

  • This table provides the rate per 100,000 inhabitants and breakdowns (such as attempts, weapons, type of entry, and property types for the offenses of rape, robbery, aggravated assault, burglary, and motor vehicle theft) nationally and by city and county groupings for law enforcement agencies submitting 12 months of complete data for 2015. In addition, the table furnishes the number of agencies meeting the criteria for inclusion in this table and provides the estimated population for each population group. 
  • The totals provided in this table reflect only those offenses for which law enforcement agencies provided additional information to the UCR Program; therefore, the totals will not match those shown in other rate tables. 
  • Suburban areas include law enforcement agencies in cities with less than 50,000 inhabitants and county law enforcement agencies that are within a Metropolitan Statistical Area.
  • Suburban areas exclude all metropolitan agencies associated with a principal city. The agencies associated with suburban areas also appear in other groups within this table.
  • The UCR Program does not include murder or arson offenses in this table. Information about these offenses can be found in the respective sections of this report: Expanded Homicide Data and Arson.

Methodology

  • The data used in creating this table were from all law enforcement agencies submitting 12 months of complete data (except arson) for 2015.
  • The FBI derived the offense rates by first dividing the aggregated offense counts by the aggregated populations covered by contributing agencies for which 12 months of complete data were supplied and then multiplying the resulting figure by 100,000.
  • The rape rates were calculated using the population of the agencies based on the UCR definition of rape (revised or legacy) they used to submit data. See table below.

Populations used to calculate rape rates (based on rape definition used for submitted data)
by Population Group, 2015

Population Group

Population
(agencies using revised UCR rape definition)

Population
(agencies using legacy UCR rape definition)

Total all agencies

256,871,586

30,630,306

Total Cities

177,472,866

15,924,344

I (250,000 inhabitants and more)

53,976,858

2,722,694

Ia (1,000,000 and over)

24,675,984

0

Ib (500,000 to 999,999)

15,172,432

1,437,538

Ic (250,000 to 499,000)

14,128,442

1,285,156

II (100,000 to 249,999 inhabitants)

28,805,257

1,639,577

III (50,000 to 99,999 inhabitants)

29,078,106

2,523,217

IV (25,000 to 49,999 inhabitants)

24,470,065

2,745,302

V (10,000 to 24,999 inhabitants)

22,883,194

3,296,875

VI (Less than 10,000 inhabitants)

18,259,386

2,996,679

IX (Metropolitan County)

59,963,656

10,600,836

VIII (Nonmetropolitan County)

19,435,064

4,105,126

Suburban Area1

108,296,420

16,217,788

1Suburban areas include law enforcement agencies in cities with less than 50,000 inhabitants and county law enforcement agencies that are within a Metropolitan Statistical Area. Suburban areas exclude all metropolitan agencies associated with a principal city. The agencies associated with suburban areas also appear in other groups within this table.

Population groups

The UCR Program uses the following population group designations:

Population Group

Political Label

Population Range

I

City

250,000 and more

II

City

100,000 to 249,999

III

City

50,000 to 99,999

IV

City

25,000 to 49,999

V

City

10,000 to 24,999

VI1,2

City

Less than 10,000

VIII (Nonmetropolitan County)2

County

N/A

IX (Metropolitan County)2

County

N/A

1Includes universities and colleges to which no population is attributed.

2Includes state police to which no population is attributed.

Population estimation 

For the 2015 population estimates used in this table, the FBI computed individual rates of growth from one year to the next for every city/town and county using 2010 decennial population counts and 2011 through 2014 population estimates from the U.S. Census Bureau. Each agency’s rates of growth were averaged; that average was then applied and added to its 2014 Census population estimate to derive the agency’s 2015 population estimate.