The prospects for a sustained social welfare is discussed constantly. Societal development offers both institutional challenges as well as structural change. It places new demands on both the individual and society. The research profile "Challenges of the Welfare State" includes a broad spectrum of research approaches on the welfare of society's problems and potentials, where the quality of life, health and security are essential components. Much of the research is interdisciplinary and has a applied focus, as well as a focus on basic research.