The market size presented here is based on revenue from all offices offering primarily chiropractic services in the United States. The Bureau of the Census definition for this industry reads as follows: “This industry comprises establishments of health practitioners having the degree of D.C. (Doctor of Chiropractic) primarily engaged in the independent practice of chiropractic. These practitioners provide diagnostic and therapeutic treatment of neuromusculoskeletal and related disorders through the manipulation and adjustment of the spinal column and extremities, and operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers.”

Geographic reference: United States
Year: 1997 and 2007
Market size: $6.57 billion and $10.15 billion in annual receipts respectively
Source: “2007 Economic Census: Sector 62: Health Care and Social Assistance Programs: Preliminary Comparative Statistics for the United States 2007 and 2002”, March 26, 2010, available online here. Data for 1997 are from a report by the same title in the “1997 Economic Census” series.
Original source: U.S. Bureau of the Census