The data in this study were collected from the DCS- Sri Lanka (I-O table), IFPRI (IMPACT model) and some published literature (outlined in the associated thesis). The data collected relates to crop productivity, labour productivity, Sea level rise and overall climate change impact in Sri Lanka and South Asia. The data was analysed using ORANI-G model, ORANI-G-SL model, GTAP-E model and GEMPACK software.