Priyanka Roshan | December 2, 2025
Biodiversity loss is accelerating rapidly, with thousands of species facing extinction worldwide. Some countries experience extreme pressure where habitat destruction, climate change, and human activities intersect, making conservation urgent and critically important.
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From tropical rainforests to coral reefs, ecosystems everywhere are under unprecedented strain. Based on IUCN Red List data, aggregated by Statista in November 2025, here’s the list of countries with the most threatened species.
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Madagascar’s unique ecosystems host thousands of species found nowhere else. Deforestation and habitat fragmentation have left over 4,000 species vulnerable, making conservation here a global priority.
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Indonesia’s tropical forests and coral reefs support immense biodiversity. Logging, palm oil expansion, and overfishing have pushed nearly 2,840 species to threatened status.
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Ecuador, rich in Amazonian and Andean habitats, faces habitat loss and climate pressures. Over 2,800 species, including amphibians and birds, are now classified as threatened.
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Brazil’s Amazon rainforest is a biodiversity hotspot. Deforestation, mining, and agriculture threaten almost 2,800 species, from jaguars to rare orchids.
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Mexico’s diverse ecosystems, from deserts to tropical forests, are home to over 2,600 threatened species, impacted by urban expansion and agricultural development.
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Malaysia’s rainforests and marine ecosystems face deforestation and pollution. Over 2,300 species, including primates and amphibians, are now considered at risk.
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From coastal wetlands to mountain forests, the United States harbors more than 2,100 threatened species. Habitat loss and climate-related changes are major contributing factors.
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Island biodiversity in the Philippines is extremely rich yet fragile. Nearly 2,000 species, including birds and amphibians, are classified as threatened due to deforestation and development.
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Australia’s unique fauna, including marsupials and reef species, face threats from wildfires, habitat loss, and invasive species, leaving almost 1,950 species at risk.
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Colombia’s tropical forests and mountains are rich in biodiversity, yet nearly 1,950 species are threatened due to deforestation, mining, and agricultural expansion.
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China’s forests, wetlands, and rivers support thousands of species. Over 1,760 are at risk, mainly from urbanisation, industrial activity, and habitat loss.
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Tanzania’s savannahs and coastal ecosystems are home to nearly 1,750 threatened species. Poaching, habitat loss, and climate change endanger wildlife across the country.
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