The World Social Science Seminar was held from 30 November- 4 December 2015 in Xiamen, China. It is organised by the ISSC in partnership with CODATA and "Urban Health and Wellbeing: a Systems Approach" - interdisciplinary scientific committees of the International Council for Science (ICSU). The seminar was hosted by the International Council of Science International Programme Office on Urban Health and Wellbeing at the Institute of Urban Environment (IUE) in Xiamen, China.