Top Twenty Religions in the United States, 2001

(self-identification, ARIS)

Religion 1990 Est.
Adult Pop.
2001 Est.
Adult Pop.
% of U.S. Pop.,
2000
% Change
1990 - 2000
Christianity 151,225,000 159,030,000 76.5% +5%
Nonreligious/Secular 13,116,000 27,539,000 13.2% +110%
Judaism 3,137,000 2,831,000 1.3% -10%
Islam 527,000 1,104,000 0.5% +109%
Buddhism 401,000 1,082,000 0.5% +170%
Agnostic 1,186,000 991,000 0.5% -16%
Atheist   902,000 0.4%  
Hinduism 227,000 766,000 0.4% +237%
Unitarian Universalist 502,000 629,000 0.3% +25%
Wiccan/Pagan/Druid   307,000 0.1%  
Spiritualist   116,000    
Native American Religion 47,000 103,000   +119%
Baha'i 28,000 84,000   +200%
New Age 20,000 68,000   +240%
Sikhism 13,000 57,000   +338%
Scientology 45,000 55,000   +22%
Humanist 29,000 49,000   +69%
Deity (Deist) 6,000 49,000   +717%
Taoist 23,000 40,000   +74%
Eckankar 18,000 26,000   +44%



Top Ten ORGANIZED Religions in the United States, 2001

(self-identification, ARIS)

[Nonreligious, Atheist, Agnostic have been dropped from this list.]

Religion 2001 Est.
Adult Pop.
% of U.S. Pop.,
2001
Christianity 159,030,000 76.5%
Judaism 2,831,000 1.3%
Islam 1,104,000 0.5%
Buddhism 1,082,000 0.5%
Hinduism 766,000 0.4%
Unitarian Universalist 629,000 0.3%
Wiccan/Pagan/Druid 307,000 0.1%
Spiritualist 116,000  
Native American Religion 103,000  
Baha'i 84,000  



Ten Largest Religions in the United States, 1990

(self-identification, NSRI)

Religion Estimated
Adult Pop.
Estimated
% of Adult Pop.
Christianity 151,225,000 86.2%
Nonreligious 13,116,000 7.5%
Judaism 3,137,000 1.8%
Agnostic 1,186,000 0.7%
Islam 527,000 * 0.5%
Unitarian Universalist 502,000 0.3%
Buddhism 401,000 * 0.4%
Hinduism 227,000 * 0.2%
Native American Religion 47,000 --
Scientologist 45,000 --

 

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