The book consists of 91,000 interviews that were conducted in 50 countries and collected by the Pew Foundation and other organizations.[1][2] They find that Americans are unique and the differences of viewpoint between Americans and others on a range of topics, including happiness, religious conviction and individualism, are striking.[3] The authors said they believed anti-Americanism usually concerns US government policies, and the world had always "held Americans in higher esteem than America". But today, non-Americans are "increasingly equating the US people with the US government".[2]