Global AveragesGlobal Averages

    Global Average Biodiversity Intactness Index

    Last updated: February 26, 2026

    75%

    % intact

    The global average Biodiversity Intactness Index is approximately 75%, meaning we've lost about 25% of natural biodiversity. Scientists suggest the 'safe limit' is 90%. Western Europe (60%) and South/Southeast Asia (65%) are most depleted.

    Share

    Historical Trend

    Source: NHM

    Why This Average Exists

    Biodiversity loss threatens ecosystem services worth $150 trillion annually — from pollination to water purification — and may cause cascading ecological collapses.

    Factors That Affect Global Average Biodiversity Intactness Index

    • Land use change
    • Climate change
    • Pollution
    • Overexploitation
    • Invasive species
    • Conservation policy

    Frequently Asked Questions

    Methodology & Data Sources

    The data presented on this page is compiled from publicly available datasets published by international organizations including the World Bank, World Health Organization (WHO), International Labour Organization (ILO), United Nations, NASA, and national statistical agencies.

    Global averages are calculated using population-weighted or arithmetic means depending on the metric. Country-level data reflects the most recent available figures, typically from 2024–2024. Where gaps exist, the latest available data point is used.

    All figures are subject to revision as source organizations update their datasets. For the most authoritative data, we encourage consulting the original sources linked in the table above.

    Further Reading