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| Religious Body | Membership | |
|---|---|---|
| 1 | Catholic Church | 66,407,105 (2002) |
| 2 | Southern Baptist Convention | 16,400,000 (2003) |
| 3 | United Methodist Church | 8,251,042 (2002) |
| 4 | Church of Jesus Christ of Latter-day Saints | 5,599,177 (2004) |
| 5 | Evangelical Lutheran Church in America | 4,984,925 (2003) |