2000 data were collected by the
Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 149 religious groups, including number of churches and adherents. Dale E. Jones, Sherri Doty, Clifford Grammich, James E. Horsch, Richard Houseal, Mac Lynn, John P. Marcum, Kenneth M. Sanchagrin and Richard H. Taylor supervised the collection. These data originally appeared in
Religious Congregations & Membership in the United States, 2000, published by the
Glenmary Research Center.