- GSS is the General Social Survey. Data from the General Social Survey are available here.
- ARIS refers to the American Religious Identification Surveys. More information about the ARIS surveys is available here.
- Data from Gallup are available here.
- Data from Pew are available here.
- ANES is the American National Election Studies. Data from ANES are available here. (Note: ANES data include individuals who identify as “nones” as well as those who identify as “atheist” or “agnostic.”)