The publication covers a wide range of topics such as data sources, population growth and its components, population density and distribution, population projections, labour supply and demand, projections of labour supply and manpower projections, the implcations of future population growth on social welfare sectors, family health and family planning services. **In the Foreword to the publication, Prof. Priyani E. Soysa, The Director General of the Natural Resources, Energy and Science Authority of Sri Lanka notes "this manuscript has been written by one who has had the experience of population studies for many years. He could be considered an authority on this subject. His work is comprehensive".** http://thakshana.nsf.ac.lk/slstic/NA-210/NA-210.pdf