Key Takeaways
- Pew 2021 survey reveals 63% of Americans believe in God with absolute certainty, down from 71% in 2007.
- Gallup 2023 poll shows 81% believe in God, but only 49% certain.
- PRRI 2022 finds 66% believe the Bible is the literal word of God.
- Gallup's 2023 measurement indicates only 47% of U.S. adults belong to a church, synagogue, or mosque, the lowest in history.
- Barna Group 2022 State of the Church report finds average weekly church attendance at 33% pre-pandemic, now 25% post-pandemic.
- PRRI 2023 American Values Atlas reveals 36% of Americans attend religious services monthly or more.
- Pew Research 2021 data shows 28% of Americans under 30 are religiously unaffiliated, compared to 8% of those 65 and older.
- Gallup 2023: Women 55% Christian vs. 60% men unaffiliated growth.
- PRRI 2022: Black Americans 75% highly religious.
- According to Pew Research Center's 2021 survey, 63% of U.S. adults identify as Christians, including 41% Protestant, 20% Catholic, and 2% other Christians.
- Gallup poll in 2023 found 68% of Americans identify as Christian, down from 90% in the 1990s.
- PRRI's 2023 American Values Atlas shows 26% of Americans are religiously unaffiliated (nones), up from 16% in 2006.
- Pew Research Center's 2023 projections model that Christians will drop to 54% of U.S. population by 2050 from 64% in 2020.
- Gallup trend from 2020-2023 shows church membership fell from 47% to 36%.
- PRRI 2006-2023 data: Nones rose from 16% to 27%.
Belief in God remains high, but certainty and church membership are steadily declining.
Related reading
01 · Category
Beliefs and Practices29 stats
Beliefs and Practices Interpretation
02 · Category
Church Attendance28 stats
Church Attendance Interpretation
03 · Category
Demographics29 stats
Demographics Interpretation
More related reading
04 · Category
Religious Affiliation30 stats
Religious Affiliation Interpretation
05 · Category
Trends and Changes30 stats
Trends and Changes Interpretation
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Gabrielle Fontaine. (2026, February 13). American Religion Statistics. Gitnux. https://gitnux.org/american-religion-statistics
Gabrielle Fontaine. "American Religion Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/american-religion-statistics.
Gabrielle Fontaine. 2026. "American Religion Statistics." Gitnux. https://gitnux.org/american-religion-statistics.
Sources & references
7 datasets cited across this report · attribution is report-level

