Aging of the population raises many questions and issues for individuals, families, and society: economic, political, social, psychological, medical, ethical, moral, religious, and legal, all of which bear on the quality of life in its many dimensions. This article is concerned with the implications of demographic and labor force changes for work and retirement. It discusses the role of gradual or phased retirement in introducing flexibility into the range of choices between work and retirement. For NAAJ, July 2003, Volume 7, Number 3.