Floods that hit Thailand between June and December 2011 were the most expensive flood disaster recorded since 1900, with economic losses surpassing ** billion U.S. dollars. Three of the ** costliest floods in recent history all happened since 2020. China was the country most hit by economic damage in the past century, registering *** of the top 10 floods in terms of economic loss.
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Aon. (January 21, 2025). Most expensive flood disasters worldwide from 1900 to 2024, by economic losses (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1413779/largest-floods-economic-damage-worldwide/
Aon. "Most expensive flood disasters worldwide from 1900 to 2024, by economic losses (in billion U.S. dollars)." Chart. January 21, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1413779/largest-floods-economic-damage-worldwide/
Aon. (2025). Most expensive flood disasters worldwide from 1900 to 2024, by economic losses (in billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1413779/largest-floods-economic-damage-worldwide/
Aon. "Most Expensive Flood Disasters Worldwide from 1900 to 2024, by Economic Losses (in Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 21 Jan 2025, /statistics/1413779/largest-floods-economic-damage-worldwide/
Aon, Most expensive flood disasters worldwide from 1900 to 2024, by economic losses (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/1413779/largest-floods-economic-damage-worldwide/ (last visited July 25, 2026)
Most expensive flood disasters worldwide from 1900 to 2024, by economic losses (in billion U.S. dollars) [Graph], Aon, January 21, 2025. [Online]. Available: /statistics/1413779/largest-floods-economic-damage-worldwide/
