I couldn't resist...

Religious Affiliation Year 2000 (Harris poll)

Top Ten Largest Religious Bodies in the United States
1. (Figures reflect U.S. membership only. A few of these religious bodies have significant numbers of members in other countries as well.)
Rank Religious Body Year Membership
1 Catholic Church 2002 66,407,105
2 Southern Baptist Convention2003 16,400,000
3 United Methodist Church 2002 8,251,042
4 Church of Jesus Christ of Latter-day Saints 2004 5,599,177
5 Evangelical Lutheran Church in America 2003 4,984,925
6 Church of God in Christ 1991 * 4,500,000
7 Presbyterian Church (U.S.A.) 2001 3,595,259
8 National Baptist Convention of America 1987 3,500,000
9 Assemblies of God 2002 2,687,366
10 Lutheran Church - Missouri Synod 2003 2,512,714