The 4th International Conference on Social Sciences 2017 was organized by The International Institute of Knowledge Management (TIIKM), Sri Lanka with the collaboration of University of Sri Jayewardenepura, Sri Lanka as the hosting partner and State University of Semarang, Indonesia as the Academic Partner. The conference was held on the 21st and 22nd of September, 2017 in Colombo, Sri Lanka. ICOSS 2017 was organized under the theme “Social Sciences: Towards a Sustainable and Prospective Future”, and was Chaired by Assoc. Prof. Tim Allender, Faculty of Education and Social Work, University of Sydney, Australia. The keynote speech of ICOSS 2017 was made by Prof. Deepak Kumar, Jawaharlal Nehru University, India.