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Section I. Religious Demography

The U.S. government estimates the total population at 10.5 million (July 2016 estimate). The U.S. government estimates that 55 percent of the population is Roman Catholic, 29 percent Protestant, 7 percent adhere to other religions, and 5 percent do not subscribe to any religion. Groups present in small numbers include The Church of Jesus Christ of Latter-day Saints (Mormons), Jehovah’s Witnesses, Muslims, Rastafarians, Scientologists, and atheists. According to societal leaders, an estimated 50 to 80 percent of the population practices some form of Vodou, often blended with elements of other religions, usually Catholicism. Muslim leaders estimate their community at approximately 8,000 to 10,000. There are fewer than 100 Jews.

International Religious Freedom Reports
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U.S. Department of State

The Lessons of 1989: Freedom and Our Future