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Dengue around the world

Official surveillance data reported by member states to WHO, normalised into monthly series so countries and regions can be compared.

Key facts

  • 2026 to date: 2,514,291 cases and 1,502 deaths in 194 countries, -45.9% compared with the same period of 2025.
  • Countries with the most cases in 2026: Brazil (1,312,636), Vietnam (131,202), Cambodia (99,529), Sri Lanka (95,545), Indonesia (88,178).
  • The highest annual total on record is 14,501,728 cases in 2024.

Related pages

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.