Malaria hit record high in Indonesia in 2025
Health Ministry recorded 706,000 cases, increasing from 543,000 in 2024, 418,000 in 2023
JAKARTA, Indonesia (MNTV) — Indonesia recorded its highest number of malaria cases in 2025 mainly driven by population mobility and climate change that hamper elimination efforts, especially in high-burden regions such as Papua, reports The Jakarta Post.
Last year, the Health Ministry recorded 706,000 malaria cases across the archipelago, an increase from 543,000 in 2024 and 418,000 in 2023.
“In 2025, we recorded the highest number of cases, with fluctuations largely driven by population mobility and weather conditions that contributed to rising cases across regions,” Health Ministry communicable diseases director Prima Yosephine said.
Despite 412 of 514 regencies across the country having been declared malaria-free, the disease remains rampant in the country’s easternmost regions, with more than 95% of all reported cases found in six provinces across Papua.
The highest concentration of cases were detected in Papua province. Elimination efforts in Papua continue to face challenges due to the region’s vast forested area, Prima said.
The topography made it difficult for health authorities to reach them as well as distribute healthcare services and infrastructure
Malaria is an infectious disease caused by the Plasmodium parasite spread through the bites of a female Anopheles mosquito infected by the pathogen. The mosquito requires small and seasonal bodies of water for their larvae and pupae to grow, making swamps tropical and rainforests in Papua suitable habitats for the Anopheles.
Funding also remains a major hurdle, as government’s allocations for the malaria eradication campaign have been reduced following President Prabowo Subianto’s austerity measures, leaving the ministry reliant on other support including from philanthropic organisations.
“The challenging geography makes financing more costly,” Prima said. “With the current austerity policy, it’s necessary to formulate effective malaria control funding to achieve elimination.”
Outside Papua, the disease transmission is largely driven by population migration, especially those traveling from malaria endemic areas who carry the parasite when moving to other regions.
One example was Rokan Hilir regency in Riau, which was declared malaria-free in 2018 but recorded new cases a year later.
The outbreak was initially contained, but cases surged to more than 2,000 in 2024, prompting the local administration to declare a malaria state-of-emergency multiple times through early 2026.
Prima also pointed fingers to climate change as a factor that exacerbated the malaria transmission.
Warming average temperatures and erratic rainfall patterns caused by global heating trigger frequent heavy rainfall that creates more mosquito breeding sites and increasing transmission risks.
To accelerate the national malaria elimination target by 2030, the Health Ministry has been strengthening surveillance to improve case identification.
It also improves treatment by distributing free antimalarial medication, intensifies mosquito control measures and promotes behavioural change among communities.
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