The Public Opinion and Mass Communication Research Centre has conducted the Slovenian Public Opinion Survey since 1968 and it remains the most comprehensive source of empirical data for social scientists in Slovenia. Center’s data repository includes indicators of social stratification, quality of life, national identity, political culture, role of government, religion, family and work values, health, political orientations, industrial relations, mass media and others. It is a partner in international cooperations such as International Social Survey Program, World Value Survey, European Social Survey and others. It also conducts telephone surveys.