About the Pew Research Center’s Spring 2016 Global Attitudes Survey
Results for the survey are based on telephone and face-to-face interviews conducted under the direction of TNS BMRB. The results are based on national samples, unless otherwise noted. More details about our international survey methodology and country-specific sample designs are available on our website.
For more detailed information on survey methods for this report, see here: https://www.pewresearch.org/global/international-survey-methodology/?year_select=2016
For more general information on international survey research, see here: https://www.pewresearch.org/methodology/international-survey-research/