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    2. Changes in income status vary across demographic groups

    The shrinkage of the middle-income tier among American adults, and the growth of the upper- and lower-income tiers, has played out differently among demographic groups. This section identifies upwardly and downwardly mobile groups (winners and losers) by comparing changes in their income status over two time periods. From 1971 to 2015, adults overall experienced more […]

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    1. Assessing the accuracy of online nonprobability surveys

    To better understand the current landscape of commercially available online nonprobability samples, Pew Research Center conducted a study in which an identical questionnaire was administered to nine samples supplied by eight different vendors along with the Center’s probability-based online panel. A benchmarking analysis – in which a subset of each survey’s results was compared to […]

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    References

    Aday, Lu Ann, Grace Y. Chiu and Ronald Andersen. 1980. “Methodological Issues in Health Care Surveys Of the Spanish Heritage Population.” American Journal of Public Health, Vol 70(4). April. Blumberg, Stephen J. and Julian V. Luke. 2015. “Wireless Substitution: Early Release of Estimates From the National Health Interview Survey, July-December 2014.” Atlanta: Centers for Disease […]

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    Chapter 4: U.S. Public Has Mixed Views of Immigrants and Immigration

    Americans have complex views about immigrants living in the U.S. today. On balance, U.S. adults are somewhat more likely to say immigrants are making American society better in the long run (45%) than to say they’re making it worse (37%). Yet these views vary widely by education, race and partisan affiliation. And when asked what […]

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    Chapter 4: Social and Political Attitudes

    Overall, more Americans now identify as politically liberal than did so when the Religious Landscape Study was first conducted, while fewer U.S. adults identify themselves as political moderates. Religious “nones” are more likely than those in many Christian traditions to describe themselves as politically liberal; indeed, 39% of religious “nones” now describe themselves as liberals. […]