Bangladesh
ADB warns climate pressures could displace 7.5% of Bangladesh’s population
ADB projects that climate pressures could drive 7.5% of Bangladesh’s population to migrate internally by 2050. Its new report highlights the vulnerability of poor coastal households and calls for sustained adaptation investment, stronger local institutions and development planning that addresses livelihoods, housing and services alongside flood protection.
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From 22 October 2026 — Daily Brief
22 OCT 2026 · 9/25
Climate pressures could drive about 7.5% of Bangladesh’s population to move within the country by 2050, according to a new Asian Development Bank report released on 21 October. Rising seas, water scarcity and declining agricultural productivity are among the forces behind the projected movement.
The Asia-Pacific Climate Report 2026 examines threats to coastal communities and the investment needed to reduce them. It says poor households in flood-exposed areas of Bangladesh, India and Myanmar face overlapping disadvantages: greater physical danger and fewer resources to prepare, relocate or recover.
For Bangladesh, increased displacement would place additional demands on housing, jobs and urban services. The projection describes a future risk whose scale depends on climate conditions and adaptation.
Across 30 coastal economies, the report estimates annual flood losses could reach $172 billion–$199 billion by 2050 if adaptation falls short, compared with roughly $27 billion now. Those are regional figures, covering a much wider area than Bangladesh.
ADB estimates that $9 billion–$19 billion a year in regional coastal protection could avert substantial future losses. It urges governments to incorporate adaptation into development plans, strengthen institutions, secure sustained finance and maintain implementation over time.