Data & Documentation


Access and analyze data from all four waves of the National Congregations Study.

Summary Tables

Explore NCS results from Waves I-IV in these summary tables that compare responses over time and present data from the point of view of both the congregation and the average attendee.


Frequency Tables

See basic findings for almost every variable in the NCS.
Provided by the Association of Religion Data Archives (ARDA)


Crosstabs

Explore how different characteristics relate to one another by creating cross-tabulations of two variables.
Provided by ARDA


Congregational QuickStats

Browse responses from key survey questions. See how answers vary over time and by political ideology, region, religious tradition, theology, and congregation size. Enter “congregation” in the filter on this page to get QuickStats based on NCS data.
Provided by ARDA


Cumulative Data

To explore the findings more thoroughly, you can download the cumulative dataset from the Association of Religion Data Archives or the Inter-university Consortium for Political and Social Research. A dataset including original responses to open-ended NCS questions is available from the Association of Religion Data Archives. A restricted dataset that includes more detailed geographical information about congregations also is available from ICPSR.


Codebook

Download the data codebook that explains all survey variables and documents exact wording of questions.


Questionnaires: 1998 | 2006-07 | 2012 | 2018-19

Download the questionnaires from each NCS wave. 


Weights Documentation

Download the detailed description of NCS sample weights.