Skip Main Navigation Skip To Navigation Content

Economic Census


business.census.gov

Concentration Ratios

radio station industry concentration for 2007

Concentration ratios are a way to measure competition in an industry. These data are classified by the percent of output accounted for by the largest 4, 8, 20 and 50 companies (at the national level only).

Only the manufacturing reports include the Herfindahl-Hirschman Index. There are no concentration data for Mining, Construction, or Management of Companies and Enterprises.

Concentration Ratios by Sector for the United States

NAICS Sector 2007 Data 2002 Data 1997 Data
22Utilitieslink to American FactFinderlink to American FactFinder PDF
31-33Manufacturing: Value of Shipmentslink to American FactFinderlink to American FactFinder PDF
31-33Manufacturing: Value Addedlink to American FactFinderlink to American FactFinder PDF
42Wholesale Tradelink to American FactFinderlink to American FactFinder PDF
44-45Retail Tradelink to American FactFinderlink to American FactFinder PDF
48-49Transportation and Warehousinglink to American FactFinderlink to American FactFinder PDF
51Informationlink to American FactFinderlink to American FactFinder PDF
52Finance and Insurancelink to American FactFinderlink to American FactFinder PDF
53Real Estate and Rental and Leasinglink to American FactFinderlink to American FactFinder PDF
54Professional, Scientific, and Technical Serviceslink to American FactFinderlink to American FactFinder PDF
56Administrative and Support and Waste Management and Remediation Serviceslink to American FactFinderlink to American FactFinder PDF
61Educational Serviceslink to American FactFinderlink to American FactFinder PDF
62Health Care and Social Assistancelink to American FactFinderlink to American FactFinder PDF
71Arts, Entertainment and Recreationlink to American FactFinderlink to American FactFinder PDF
72Accommodation and Foodservices link to American FactFinderlink to American FactFinder PDF
81Other Services (except Public Administration)link to American FactFinderlink to American FactFinder PDF
[PDF] or PDF denotes a file in Adobe’s Portable Document Format. To view the file, you will need the Adobe® Reader® Off Site available free from Adobe.
Source: U.S. Census Bureau | Economic Planning and Coordination Division | 1-877-790-1876 | Last Revised: May 22, 2014