Results for the survey are based on telephone interviews conducted under the direction of Abt Associates. The results are based on a national sample. More details about our international survey methodology and country-specific sample designs are available here.
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About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.
