This publication provides readers with an introduction to social and psychosocial development. The basic foundations and dimensions of social development and social decline are described. Focus lies on poverty, malnutrition, human development and urban decay. An index oriented analysis is done. Special focus lies on the world summit for social development, including various agreements, declarations and programmes of action. A select description of the United Nations agencies on social development is provided herein. An analysis of social welfare as part of social development process is done. The theories, concepts and approaches of social development and social welfare are presented. Similarly, the aspects related to administration, management, research and training regarding social development and social welfare are highlighted. The study of Social security, social safety, pension and other privileges is done as part and parcel of social development process. An overview of social welfare issues, social rights protection and social development functions is provided here in.