This poster presents the migration scenario of the GBM Delta of Bangladesh. A study of 8713households in 50 climate change hot spots of Bangladesh found that 34% (2962) of thehouseholdsof 14 districts ismigrant households. Of these, almost 11% (949) are international migrant households, and 23% (2013) are internal migrant households, which is almost two or three times greater than existing estimates from earlier studies(HIES, 2010; Sharma and Zaman, 2009; Hossain, Kazal and Ahmed, 2013). This study is conducted under DECCMA Project of RMMRU which is coordinated by Institute of Water and Flood Management (IWFM), Bangladesh University of Engineering and Technology (BUET), Bangladesh.