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Religion: U.S. Demographic Snapshot Religion: U.S. Demographic Snapshot

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Religion: U.S. Demographic Snapshot

Most Americans consider themselves people of faith, but of what type exactly varies greatly.




The percentage of Americans who say prayer is an important role in their lives.


8 in 10

The number of Americans who say they have never doubted the existence of God.




The percentage of Americans who identify themselves as Christian. The majority of Christians — 51.3 percent — are Protestants. The next largest share are Catholics, at 23.9 percent.



The percentage of Americans who identified themselves as “unaffiliated.” The largest share of unaffiliated Americans are “nothing in particular,” at 12.1 percent.




The percentage of Americans, ages 18-29, who identified as unaffiliated.


1 in 5

The proportion of men who say they have no religious affiliation. Men are more likely than women not to identify with a religion. About 13 percent of women say they were unaffiliated.


Mormons and Muslims

These are the two religions with the highest likelihood of having large families. More than 20 percent of Mormon and 15 percent of Muslim adults had more than three children at home.


Black Americans

The cohort most likely to identify with some religion. Even among those who were unaffiliated, 75 percent said they were “religious unaffiliated,” compared to one-third of the overall unaffiliated population.



The percentage of Americans who identify as “other religion.” This includes Jews (4.7 percent); Buddhists (0.7 percent); Muslims (0.6 percent); and Hindus (0.4 percent).



The percentage of American adults who have left the faith they were raised in for another faith or for none at all. That number increases to 44 percent when considering changing from one Protestant affiliation to another.

Sources: Pew Forum on Religion and Public Life; “Partisan Polarization Surges in Bush, Obama Years” report by Pew Research Center (2012)

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