Positive psychology is a scientific approach within psychology that focuses on research on what is best in people. Within this framework, humor is understood as a character strength. The article gives a brief overview on positive psychology and implications for aging (positive aging, successful aging) with an emphasis on the contribution of humor. Humor as a strength of character and its measurement by various approaches are discussed. It is argued that there is a lack of empirical data about humor in the elderly. Potential benefits of considering humor in research but also in practice are discussed.