Wolfgang Glatzer Johann Wolfgang Goethe-Universitiit Franlifurt am Main, Germany ABSTRACT Challenges for the quality of life in the contemporary world were the focus of the Fifth International Quality of Life-Conference in Frankfurt am Main in the year 2003, hosted and organized by the International Society for Quality of Life Studies. The first part of this introductory article is concerned with a general assessment of contemporary quality of life research. At present, the concept of quality of life is a kind of umbrella which keeps together a reasonable number of international social scientists who have similar research interests. The second part of the introduction describes the topics of this book: The five chapters are concerned with the societal goal discussion on quality of life, the scientific monitoring of quality of life, the economic challenges for quality of life, its cultural challenges, and finally the options and restrictions for improving quality of life. Altogether, the contributions are related to present international investigations and discussions of basic questions of quality of life. ATTENTION FOR QUALITY OF LIFE Challenges for the quality of life in the contemporary world were the focus at the Fifth International Quality of Life-Conference in Frankfurt am Main in the year 2003, hosted and organized by the International Society for Quality of Life Studies. There are new threats and new prospects for the quality of life in each generation, and securing and improving quality of life is a never-ending task.