Numbers, Facts and Trends Shaping Your World
Data source Pew Research Center’s analysis in this report is based on data from the U.S. Census Bureau’s 2020, 2021 and 2022 Surveys of Income and Program Participation (SIPP). These are the three latest years in which SIPP was conducted. It is a nationally representative survey that focuses on the income of U.S. households and […]
The following table shows the unweighted sample sizes and the error attributable to sampling that would be expected at the 95% level of confidence for different groups in the 2023-24 Religious Landscape Study. Groups Unweighted sample size Margin of error (+/- percentage points) U.S. adults 36,908 0.8 Adults in the Midwest 7,549 1.6 Adults in […]
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 […]