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This policy brief analyzes the relationship between climate-related hazards—specifically inland flooding, storm surges, and riverbank erosion—and long-term migration patterns in Bangladesh. Using historical census data and World Bank projections, the authors estimate that an additional 9.6 million people are likely to migrate from affected upazilas (sub-districts) between 2011 and 2050. The document advocates for government interventions in employment skills training and urban planning to support migrants and reduce disaster risks in cities.