RELIGIOUS ADHERENTS
IN THE UNITED STATES AND THE WORLD

Largest Number of Religious Adherents in the
United States : 2001
( City University of New York , Religious Self-identification Survey, 2002)

Religion

2001 Est.
Number

% of Total U.S. Pop.,
2000

% Change
1990 - 2000

Christianity

159,030,000

76.5%

+5%

Nonreligious/Secular

27,539,000

13.2%

+110%

Judaism

2,831,000

1.3%

-10%

Islam

1,104,000

0.5%

+109%

Buddhism

1,082,000

0.5%

+170%

Hinduism

766,000

0.4%

+237%

MAJOR WORLD RELIGIONS RANKED
BY NUMBER OF ADHERENTS
( City University of New York , Religious Self-identification Survey, 2002)

Religion

Est. No. Adherents

Christianity

2.0 billion

Islam

1.3 billion

Hinduism

900 million

Secular/Nonreligious/Agnostic/Atheist

850 million

Buddhism

360 million

Sikhism

23 million

Juche

19 million

Judaism

14 million

Baha'i

6 million

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