Dengue in Bangladesh
Country profile for Bangladesh (South-East Asia): official dengue surveillance data reported to WHO, analysed by the SENTINARA early-warning engine.
Key facts
- Bangladesh reported 79,620 dengue cases from January to September 2026, +68.2% compared with the same period of 2025, according to WHO Global Dengue Surveillance.
- Deaths reported in 2026 to September: 245 (240 in the same period of 2025).
- In 2025, the last full year, Bangladesh recorded 102,867 cases, an incidence of 58.6 per 100,000 people and a case fatality rate of 0.442%.
- SENTINARA early-warning level for September 2026: Watch, because the latest month is above the 3rd quartile of the previous five years; the last three months are +1625.3% above the three months before.
- Ensemble forecast: October 2026 about 32,019 cases (80% range 18,891 to 54,269); November 2026 about 23,692 cases (80% range 12,937 to 43,389); December 2026 about 6,934 cases (80% range 3,308 to 14,534). Backtest MAPE 34.7%, MASE 0.32.
- Cases usually peak in August (based on 16 complete years).
- The anomaly detectors flagged 34 months; the most recent was March 2024 with 311 cases.
- OpenDengue holds complete annual totals for Bangladesh since 1980.
- The monthly series is extended back to January 2010 with OpenDengue data, after checking that both sources agree (median ratio 1).
- Countries with a similar seasonal pattern: Nepal, Mexico, Cambodia, Costa Rica, Guatemala.
Related pages
- Dengue in Nepal
- Dengue in Mexico
- Dengue in Cambodia
- Dengue in Costa Rica
- Dengue in Guatemala
- Dengue in Sri Lanka
- Dengue in Maldives
- Dengue in Timor-Leste
- Dengue in Thailand
Data updated 2026-10-31. Sources: WHO Global Dengue Surveillance; OpenDengue V1.3 (Clarke et al., 2025), doi:10.6084/m9.figshare.24259573; Dinas Kesehatan Kota Semarang; World Bank Open Data; NASA POWER.