This article reviews aspects of contemporary theory and research on work-life balance. It starts by exploring why work-life balance has become an important topic for research and policy in some countries and after outlining traditional perspectives examines the concept of balance and its implications for the study of the relation between work and the rest of life. A model outlining the causes, nature and consequences of a more or less acceptable work-life balance is presented and recent research is cited to illustrate the various dimensions. Finally, the topic is linked to the field of work and organizational psychology and a number of theoretical and conceptual issues of relevance to research in Europe are raised.