According to the Status Deforestasi Indonesia 2025 (STADI 2025) report, total forest loss reached 433,751 hectares in a single year. This represents a 66 percent increase compared with 2024, when deforestation was recorded at 261,575 hectares.
Indonesia experienced a sharp rise in deforestation in 2025, with forest loss recorded in nearly every province, according to a new report by Auriga Nusantara.
The study found that almost all provinces were affected, with the exception of DKI Jakarta and DI Yogyakarta, highlighting the scale of environmental pressure across the country.
The findings mark a significant shift, suggesting that deforestation is no longer concentrated in a few regions but has become a nationwide concern.
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Forest Loss Jumps to Over 433,000 Hectares
According to the Status Deforestasi Indonesia 2025 (STADI 2025) report, total forest loss reached 433,751 hectares in a single year.
This represents a 66 percent increase compared with 2024, when deforestation was recorded at 261,575 hectares.
The increase underscores a renewed acceleration in forest loss, reflecting growing pressures on Indonesia’s natural ecosystems across both state forest areas and other land-use zones.
Satellite Data and Field Verification Strengthen Findings
Auriga Nusantara compiled the report using a combination of advanced spatial modeling and on-the-ground validation.
The analysis relied on Sentinel-2 satellite imagery with 10-meter resolution, supported by visual inspection and field verification conducted across 38 locations covering 49,321 hectares.
To improve accuracy, the study also incorporated reference data from multiple sources, including MapBiomas Indonesia, the Ministry of Forestry, the European Commission’s Joint Research Centre and Google Forest Persistence.
Monthly deforestation alerts developed by the University of Maryland were also used to guide detection.
Transparency and Public Access to Datas
Since 2023, Auriga Nusantara has published annual deforestation data as part of an effort to promote transparency and broaden public access to environmental information.
Through its platform Simontini (Sistem Informasi Tutupan dan Izin di Indonesia), the organization allows the public to monitor forest cover changes and related land-use data.
The initiative aims to ensure that conditions on the ground are visible and not obscured by limited access to information, particularly as public policies are often seen as misaligned with empirical data needed to slow forest loss.
Kalimantan Remains Epicenter, But New Hotspots Emerge
Kalimantan continued to record the largest area of deforestation in 2025, maintaining a position it has held since 2013.
However, the report highlights notable shifts in where deforestation is accelerating most rapidly. Papua recorded an additional 60,337 hectares of forest loss compared with the previous year, signaling growing pressure in eastern Indonesia. Meanwhile, Java saw the sharpest proportional increase, with deforestation activity rising by 440 percent compared to 2024 levels.
These trends suggest that deforestation is expanding into new regions, beyond its traditional strongholds.
Rising Environmental Pressure Across Indonesia
The findings point to increasing strain on Indonesia’s forests, which play a critical role in biodiversity, climate regulation and local livelihoods.
The widespread nature of forest loss in 2025 reflects broader challenges in balancing development, land use and environmental protection.
By making deforestation data more accessible, the report contributes to a growing effort to align public policy with real-time environmental conditions.
Auriga Nusantara’s report highlights the importance of transparent, data-driven approaches to addressing deforestation.
As forest loss continues to rise, understanding where and how it occurs will be critical for designing effective responses.
With nearly all provinces now affected, the challenge facing Indonesia is no longer regional — it is national in scope, requiring coordinated action grounded in accurate and accessible information.
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