Abstract

By any reasonable standard of assessment, it is clear that human beings lead lives of wildly varying quality. People who live in different societies or belong to different social classes often differ greatly in their life expectancy, material resources, political rights and personal freedoms, and levels of nutrition and health, as well as in their access to education and medical care and their vulnerability to violence and assault. At the extremes, at least, these differences are normally accompanied by great differences in the range of options people have available to them, in their prospects of achieving their aims, and in their sense of satisfaction with their own lives. Whereas many people in many countries enjoy a high level of prosperity and material comfort, and have a reasonable chance of achieving a significant measure of personal fulfillment over the course of their lives, there are many others who can look forward to little more than a miserable life and an early death. Although great progress has been made in combating the worst forms of poverty in recent decades, there continue to be people who live in conditions of extreme deprivation and malnutrition; people whose lack of medical care leaves them defenseless against infection and disease; people who have never received a formal education, have no political..