Table 1 Data Declaration

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Percent Change by Population Group, January-June 2012


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

General comment

This table provides the percent change in offenses known to law enforcement, by
population group, for the first 6 months of 2011 and 2012.


The data used in creating this table were from law enforcement agencies submitting 3 to
6 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 2011 state growth rates using the U.S. Census Bureau’s 2010
decennial state/national population figures and 2011 provisional state/national
population estimates. The FBI then estimated population figures for city jurisdictions by
applying the 2011 state growth rate to the 2010 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 or by telephone at 304-625-4995.