Numbers, Facts and Trends Shaping Your World

Publications

  • report

    Building Pew Research Center’s American Trends Panel

    In early 2014, Pew Research Center set out to build a probability-based panel – the American Trends Panel – to supplement our traditional method of data collection in the U.S. – the random digit dial (RDD) telephone survey. Here’s how we built and managed the panel, and what we learned from it in 2014.

  • report

    A Deep Dive Into Party Affiliation

    39% of Americans identify as independents, more than they do as Democrats ( 32%) or as Republicans (23%). This is the highest percentage of independents in more than 75 years of public opinion polling.

  • report

    About the Party Identification Database The analysis of changes in party identification over time is based on a compilation of 279 surveys and over 450,000 interviews among the general public conducted by the Pew Research Center from January 1992 to December 2014. These surveys are combined into one large data file that can be sorted […]