, The United States
, Crime & Punishment Statistics
United States Department of Justice, Federal Bureau of Investigation. (September 2011). Crime in the United States, 2010. Retrieved (December, 2012), from (http://www.fbi.gov/about-us/cjis/ucr/crime-in-the-u.s/2011/crime-in-the-u.s.-2011/tables/expanded-ho
Data is top 5 age groups in which murders occurred in the United States in 2011.