As the Baby Boom generation approaches traditional retirement age, the aging of the global labor force will continue to lead to an increase in the number of people who will transition into retirement in the next decade. Retirement researchers have made several important advances in their field in recent years that represent a shift from examining retirement through an economic to a psychological perspective. Retirement is not simply a one-time decision-making event; rather, it represents a process through which workers decrease their psychological commitment to work and behaviorally withdraw from the workforce. Approaching retirement from this perspective, offers comprehensive, up-to-date, and forward-thinking summaries of contemporary knowledge on retirement. The approach is interdisciplinary, spanning human resource management, organizational psychology, development psychology, gerontology, sociology, public health, and economics. The chapters assembled in this volume are organized into five parts, providing comprehensive coverage conceptualizations of retirement from multiple disciplines; existing theoretical perspectives and research findings on retirement, including adult development, career development, organizational and management, and economic perspectives; current and future challenges in retirement research and practice; and recommendations and suggestions for prospective areas of research. Assembling expertly authored chapters from leaders in the field, this volume provides a comprehensive summary on the knowledge domain of retirement useful for students, academics, and retirement researchers.