Table 1 Data Declaration

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Percent Change, by Population Group

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

General comment

This table provides the percent change from 2011 to 2012 for offenses known to law
enforcement by population group.

Methodology

The data used in creating this table were from law enforcement agencies submitting 6 or
more common months of offense reports for 2011 and 2012. When the FBI determines
certain variables have created unusual fluctuations in the data, those data are excluded
from the trend tabulations.

Population estimation

The FBI calculated the 2012 state growth rates using the U.S. Census Bureau’s 2011 and
2012 provisional state/national population estimates. The FBI then estimated
population figures for city and county jurisdictions by applying the 2012 state growth
rate to the updated 2011 U.S. Census Bureau data.

If you have questions about this table

Contact the FBI’s Criminal Justice Information Services Division via e-mail at
cjis_comm@leo.gov or by telephone at (304) 625-4995.