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Search results for: “middle class”

  • report

    Methodology

    Overview of survey methodologies The analysis of changes in party identification over time is based on a compilation of survey estimates conducted by telephone between 1994 and 2018 and online surveys conducted on Pew Research Center’s American Trends Panel between 2019 and 2023. Data from telephone surveys is adjusted to account for differences in survey […]

  • report

    Methodology

    The data for the historical analysis in this report is derived from the Annual Social and Economic Supplements (ASEC) of the Current Population Survey (CPS), which are conducted in March of every year. The specific files used in this report are from March 1971 to March 2023 and contain data on the annual income of […]