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Roper Center Archives
Roper Center Archives includes the following:
- iPoll, a database of over 650,000 polling question results from the US since 1935. Approximately 100,000 items also include responses by standard demographics, like age, region, gender and income. All of the major polling organizations in the US are included in iPOLL.
- Access to the datasets and documentation required to conduct bivariate and multivariate analyses on archived surveys using RoperExpress.
- RoperExplorer, including several thousand studies from 2000-2015 prepared for use with an online analysis tool. Just point-and-click the variables you wish to analyze, and tables are generated.
Pew Research Center
The Pew Research Center's Internet Project is pleased to offer scholars access to raw data sets from our research. All uses of this data should reference the Pew Research Center as the source of the data and acknowledge that the Pew Research bears no responsibility for interpretations presented or conclusions reached based on analysis of the data.
Social Explorer provides access to current and historical census data and demographic information and lets users create maps and reports to illustrate, analyze, and understand demography and social change. Among other documents Social Explorer includes the entire US Census from 1790 to 2010, annual updates from the American Community Survey, the Religious Congregations and Membership Study (RCMS) from 1980 to 2010 and Carbon Emissions Data for 2002 from the Vulcan Project.
By collecting and analyzing data from a variety of government and private sources, we're able to create detailed, informative profiles for every city in the United States. From crime rates to weather patterns, you’ll find the data you're looking for on City-Data.com.
Data sets from the Inter-University Consortium for Political and Social Research. Most data for retrospective data sets is also available via CD-ROM.