The data set includes information on 1689 U.S.-based private voluntary organizations (PVOs) that registered with the U.S. federal government sometime between 1939 and 2005. The label “U.S.-based” means that an agency received 501(c)(3) tax-exempt charitable status with the U.S. Internal Revenue Service (IRS). PVOs are classified by type (secular, religious) at founding as well as by the kind of activity they engage in. The data set contains information on revenue (private, federal, and international) from 1939 to 2005 for all PVOs registered with the U.S. federal government. When the information is available, federal receipts are distinguished by type of program—grants, contracts, freight, food, and property. Dollar values given for in-kind programs, such as freight, surplus food, and excess property, are based on market values estimated by USAID and other governmental agencies. Revenue from international organizations and other governments is a composite of funding from international organizations, such as the United Nations, along with receipts from state & local governments and foreign governments.

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