Share of the U.S. population by religious group
Percent of U.S. population, General Social Survey, 2018 (in percent)
Key finding
Highest: Religious nones (23.1%). Lowest: Mainline Protestants (10.8%).
- Religious nones: 23.1%
- Evangelicals: 22.5%
- Mainline Protestants: 10.8%
Source: Lifeway Research, Evangelicals Steady, But ‘Nones’ Surge in Latest Population Study · 2018 General Social Survey data. Article published 2019-03-25.
Get the chart, CSV, PNG and citation
Free account: full chart, CSV and PNG downloads, ready-to-paste citation, branded share image, and a discussion question for your team.
Questions about this statistic
What does this statistic show?
Highest: Religious nones (23.1%). Lowest: Mainline Protestants (10.8%). Religious nones: 23.1%. Evangelicals: 22.5%. Mainline Protestants: 10.8%.
Who published this data?
Lifeway Research, 2018. Source: Lifeway Research, Evangelicals Steady, But ‘Nones’ Surge in Latest Population Study (https://research.lifeway.com/2019/03/25/evangelicals-steady-but-nones-surge-in-latest-population-study/).
Where can I get the full data and a citation?
Create a free Leader Insights account to open the full chart, download CSV or PNG, copy a citation and save the statistic to your own library.
More Belief & Culture statistics
- Age at which people switched religious identification Lifeway Research, 2026
- Americans' views of Pope Leo XIV Public Religion Research Institute, 2026
- Americans who at least somewhat believe calling is a spiritual experience American Bible Society, 2026
- Americans' confidence in the church or organized religion Lifeway Research, 2019
- Churchgoers' reactions when a well-known ministry leader abandons the faith Lifeway Research, 2019
- Facets Americans say are very important to their identity Lifeway Research, 2019
About this data
Leader Insights collects statistics about U.S. churches from published research by organizations such as Lifeway Research, Barna Group, Springtide, the American Bible Society and PRRI. Every number is checked against the wording of the original source before it is published, and each statistic links back to the study it came from. Figures are reproduced from the publishers named above; see the source for full methodology.