Share of American adults who associate with a mainline church
Percent of all American adults, 2008 (in percent)
Key finding
- Share of American adults who associate with a mainline church: 15%. Percent of American adults who associate with a mainline church, based on adult church attendance
Source: Barna Group, Report Examines the State of Mainline Protestant Churches · Barna surveys of mainline adults: 267 in 1998 and 1,148 in 2008. Article published 2023-12-05.
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Questions about this statistic
What does this statistic show?
Share of American adults who associate with a mainline church: 15%. Percent of American adults who associate with a mainline church, based on adult church attendance.
Who published this data?
Barna Group, 2008. Source: Barna Group, Report Examines the State of Mainline Protestant Churches (https://www.barna.com/research/report-examines-the-state-of-mainline-protestant-churches/).
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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.