The following sites and surveys allow users to search for or view survey variables or questions.
- American Time Use Survey (ATUS)
- Association of Religion Data Archives (ARDA)
- Berkeley SDA Search function for:
- General Social Survey
- American National Election Studies
- Multi-Investigator Studies (Berkeley)
- Prejudice and Racial Attitudes
- U.S. Census Public Use Samples
- Integrated Health Interview Series
- "a harmonized set of data and documentation based on material originally included in the public use files of the U.S. National Health Interview Survey (NHIS)" (IHIS web site)
- Variable search provided by Minnesota Population Center.
- Integrated Public Microdata Series (Minnesota Population Center)
- National Center for Education Statistics (NCES)
- Panel Study of Income Dynamics (PSID)
- Pew Research Center
- People & the Press Poll
- Hispanic Center
- Global Attitudes Project
- Internet & American Life
- Social & Demographic Trends
- Forum on Religion and Public Life
- Social Science Variables Database (Interuniversity Consortium for Political and Social Research (ICPSR))
- Only includes select studies and may not include all variables.