ABSTRACT
Flood risk assessment (FRA) assists in formulating disaster management strategies for a country and identifies climatic and geographical factors of disaster with spatial and temporal variability and impact on society. Developing countries like Bangladesh, India, Nigeria and Indonesia are the top victims of floods. However, FRA studies in these countries were less noticeable before 2018. A systematic literature review approach is used to find the models and techniques employed in FRA studies of these countries. Additionally, required data and their sources, which were used for risk mapping, land use planning, flood mitigation and management, were also focused on with the approach. Most of the studies integrated statistical models, remote sensing and GIS models like the analytical hierarchy process and hydrological and watershed models. Though most of the data were available locally for the mentioned developing countries, global disaster and spatial databases were also significantly used in the studies.
