About the study
GfK conducted 20,185 interviews online in 20 panel countries with adults aged 18 or over. Data are weighted to reflect key demographic characteristics including age, gender and education of the 2017 online population in that country. Additionally, race/ethnicity has been used for sample balancing in the USA, UK, South Africa, India, and Brazil. Fieldwork was conducted from 7-25 July 2017.
The 50 nations measured by the survey are as follows, listed by region:
North America: Canada, the U.S.
Western Europe: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Holland, Ireland, Italy, Northern Ireland, Norway*, Scotland, Spain, Sweden, Switzerland, the UK
Central/Eastern Europe: Czech Republic, Hungary, Poland, Russia, Turkey, Ukraine*
Asia-Pacific: Australia, China, India, Indonesia, Japan, New Zealand, Singapore, South Korea, Taiwan, Thailand
Latin America: Argentina, Brazil, Chile, Colombia, Ecuador, Mexico, Peru
Middle East/Africa: Botswana*, Egypt, Kenya, Nigeria, Qatar, Saudi Arabia, South Africa, United Arab Emirates.
1Chinese respondents are asked to rank all nations except their own
* indicates nations newly added into the NBISM in 2017. Also, three nations (Cuba, Iran, and Kazakhstan) were measured in 2016 but not in 2017.