This graph shows the number of members in national environmental and conservation organizations in the United States from 1950-51 to 2005-06. In 1950-51, membership amounted to 74,400 people.
Membership in national environmental and conservation organizations in the United States from 1950-51 to 2005-2006
This data only considers organizations which filled the Form 990. The IRS Form 990 is titled "Return of Organization Exempt From Income Tax." It is submitted by tax-exempt organizations and non-profit organizations to provide the Internal Revenue Service with annual financial information.
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Urban Institute. (December 20, 2008). Membership in national environmental and conservation organizations in the United States from 1950-51 to 2005-2006 [Graph]. In Statista. Retrieved March 13, 2025, from https://www.statista.com/statistics/190972/membership-in-national-environmental-and-conservation-organizations-since-1950/
Urban Institute. "Membership in national environmental and conservation organizations in the United States from 1950-51 to 2005-2006." Chart. December 20, 2008. Statista. Accessed March 13, 2025. https://www.statista.com/statistics/190972/membership-in-national-environmental-and-conservation-organizations-since-1950/
Urban Institute. (2008). Membership in national environmental and conservation organizations in the United States from 1950-51 to 2005-2006. Statista. Statista Inc.. Accessed: March 13, 2025. https://www.statista.com/statistics/190972/membership-in-national-environmental-and-conservation-organizations-since-1950/
Urban Institute. "Membership in National Environmental and Conservation Organizations in The United States from 1950-51 to 2005-2006." Statista, Statista Inc., 20 Dec 2008, https://www.statista.com/statistics/190972/membership-in-national-environmental-and-conservation-organizations-since-1950/
Urban Institute, Membership in national environmental and conservation organizations in the United States from 1950-51 to 2005-2006 Statista, https://www.statista.com/statistics/190972/membership-in-national-environmental-and-conservation-organizations-since-1950/ (last visited March 13, 2025)
Membership in national environmental and conservation organizations in the United States from 1950-51 to 2005-2006 [Graph], Urban Institute, December 20, 2008. [Online]. Available: https://www.statista.com/statistics/190972/membership-in-national-environmental-and-conservation-organizations-since-1950/
