Demography is the study of human populations – their size, composition and distribution across space – and the process through which populations change. Births, deaths and migration are the 'big three' of demography, jointly producing population stability or change. Demography is the science of populations. Demographers seek to understand population dynamics by investigating three main demographic processes: birth, migration, and aging (including death). All three of these processes contribute to changes in populations, including how people inhabit the earth, form nations and societies, and develop culture. The course is designed to help the students to understand that social work has a significant responsibility to contribute to population planning activities. It is further to help the students to recognize that the problem of population planning require entire professional activity or approach. The emphasis in this course is on the population planning policies, implementation of and programs, especially in Pakistan. The course also includes information about education and motivation in family planning, techniques and skills of motivation and other important areas.