The survey analysis is drawn from a national cross-sectional survey conducted for Pew Research Center by Westat. The sampling design of the survey was an address-based sampling (ABS) approach, supplemented by list samples, to reach a nationally representative group of respondents. The survey was fielded July 5, 2022, through Jan. 27, 2023. Self-administered screening interviews […]
Ipsos KnowledgePanel and Omnibus methodology Introduction Ipsos delivers affordable, statistically valid online research through KnowledgePanel®. KnowledgePanel is the first and largest online research panel that is representative of the entire U.S. population. Panel members are randomly recruited through probability-based sampling, and households are provided with access to the Internet and hardware if needed. Ipsos recruits […]
This report presents estimates of the number of unauthorized immigrants in the United States as of July 2023 and for previous years back to 1990. These estimates supersede all previously published Pew Research Center estimates. Although this report draws largely on U.S. Census Bureau surveys, our estimates generally will not agree exactly with data published by […]
Teacher survey methodology The data in this report comes from a self-administered web survey of K-12 public school teachers in the United States. It was conducted online in English from Oct. 17 to Nov. 14, 2023. Out of 6,357 teachers who were sampled, 191 were screened out as no longer eligible. A total of 2,531 […]