Synopsis The present book is based on the Ph.D. research carried out on female college students of Ranchi University, Ranchi. It is an attempt to define the concept of Population-Health Literacy (PHL), determine its contents and develop a model as to how these contents can be communicated to a specific target group. Population-Health Literacy is the core content, ABC or basic rudiments of Population Health Education as the three Rs reading, writing and arithmetic is of general education. Certain criteria for selection of themes for PHL has been identified and ten dimensions have been selected for the present study namely: adverse consequences of population explosion, timing births, safe motherhood, breast feeding, immunisation, supplementary food, child growth, hygiene, diarrhea and coughs and colds. A pre and post test design with control and experimental group has been adopted. Areas of ignorance and misconceptions on the above mentioned dimensions have been identified. A well-planned intervention programme has been designed and conducted. Its effect has been measured. To provide a broader perspective to the dimensions and themes, the author has meticulously described the population scenario of India, population planning and programmes in India, barriers to population planning and paths to population stabilisation. The book also presents a detail review of existing intervention studies on different health and population issues. Its topics, methodology and results have been critically discussed.