Long term threats: 10 years; scale* (1-low severity, 7-high severity)
Supplementary notes
Please estimate the likely impact (severity) of the following risks over a 10-year period.
* Global Severity 10 Years asked respondents to estimate the likely impact (severity) for each of the 32 global risks, on a 1-7 scale [1 – Low severity, 7 – High severity], over both a two-year and 10-year period. Respondents were asked to evaluate the severity, considering the impact on populations, GDP or environmental resources on a global scale. They were also allowed to nominate any other risk considered missing from the 32 global risks. A simple average based on the scores selected was calculated.
Citation formats
Biggest perceived long-term risk to global society 2024, by event
Based on a long-term severity index, extreme weather events were ranked as the biggest risk to the world. Respondents worldwide gave the aforementioned risk an average severity index of *** points, with being the highest severity score and *** being the lowest. Furthermore, biodiversity loss and ecosystem collapse received *** points, while critical change to the planet's systems received *** points.
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World Economic Forum. (January 15, 2025). Biggest perceived risks to global society as of 2024, by long-term severity [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1245152/biggest-perceived-threats-to-global-society-by-event/
World Economic Forum. "Biggest perceived risks to global society as of 2024, by long-term severity." Chart. January 15, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1245152/biggest-perceived-threats-to-global-society-by-event/
World Economic Forum. (2025). Biggest perceived risks to global society as of 2024, by long-term severity. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1245152/biggest-perceived-threats-to-global-society-by-event/
World Economic Forum. "Biggest Perceived Risks to Global Society as of 2024, by Long-term Severity." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 15 Jan 2025, /statistics/1245152/biggest-perceived-threats-to-global-society-by-event/
World Economic Forum, Biggest perceived risks to global society as of 2024, by long-term severity ÌÇÐÄÆƽâ°æ, /statistics/1245152/biggest-perceived-threats-to-global-society-by-event/ (last visited July 28, 2026)
Biggest perceived risks to global society as of 2024, by long-term severity [Graph], World Economic Forum, January 15, 2025. [Online]. Available: /statistics/1245152/biggest-perceived-threats-to-global-society-by-event/
