Average share of Key Biodiversity Areas (KBA) covered by protected areas and other effective area-based conservation (OECM) worldwide as of September 2025
Characteristic
Share of protected area
Subterranean
49.98%
Marine
46.49%
Freshwater
44.51%
Terrestrial
43.61%
Total average
44.06%
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As of September 2025, 50 percent of subterranean key biodiversity areas were covered by protected areas. Key Biodiversity Areas (KBAs) are critical sites for nature with high biological diversity, conserving KBAs ensures species and habitat protection.
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Website (keybiodiversityareas.org). (September 30, 2025). Average share of Key Biodiversity Areas (KBA) covered by protected areas and other effective area-based conservation (OECM) worldwide as of September 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/1262934/kbas-covered-by-protected-areas/
Website (keybiodiversityareas.org). "Average share of Key Biodiversity Areas (KBA) covered by protected areas and other effective area-based conservation (OECM) worldwide as of September 2025." Chart. September 30, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/1262934/kbas-covered-by-protected-areas/
Website (keybiodiversityareas.org). (2025). Average share of Key Biodiversity Areas (KBA) covered by protected areas and other effective area-based conservation (OECM) worldwide as of September 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/1262934/kbas-covered-by-protected-areas/
Website (keybiodiversityareas.org). "Average Share of Key Biodiversity Areas (Kba) Covered by Protected Areas and Other Effective Area-based Conservation (Oecm) Worldwide as of September 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Sep 2025, /statistics/1262934/kbas-covered-by-protected-areas/
Website (keybiodiversityareas.org), Average share of Key Biodiversity Areas (KBA) covered by protected areas and other effective area-based conservation (OECM) worldwide as of September 2025 ÌÇÐÄÆƽâ°æ, /statistics/1262934/kbas-covered-by-protected-areas/ (last visited July 15, 2026)
Average share of Key Biodiversity Areas (KBA) covered by protected areas and other effective area-based conservation (OECM) worldwide as of September 2025 [Graph], Website (keybiodiversityareas.org), September 30, 2025. [Online]. Available: /statistics/1262934/kbas-covered-by-protected-areas/
