The Eurobarometer is a program commissioned by the European Commission to monitor public opinion in the European Union member countries. Topics vary with each series, and have included agriculture, energy, environment, gender roles, immigration, knowledge of foreign languages, poverty, public health, technology, and other special topics.

Eurobarometer 43 covered topics including the purchase of foreign products and services; smoking habits, cessation, and the relationship between tobacco use and advertising; and risks and preventions efforts for cancer.