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World Natural Disaster Events Ranked by Number Of Perils and Insured Losses, 2020 (1)

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Rank Peril Number of events Rank Peril Insured loss (US$ billions)
1 Flooding 155 1 Severe weather (2) $42
2 Severe weather (2) 118 2 Tropical cyclone 25
3 Tropical cyclone 45 3 Wildfire 12
4 Wildfire 28 4 Flooding 9
5 Winter weather 23 5 European windstorm 4
6 European windstorm 21 6 Drought 2
7 Earthquake 18 7 Winter weather 1
8 Drought 6 8 Earthquake 1
9 Other 2 9 Other (3)
  Total 416   Total $97
(1) Natural disasters that cause at least US$25 million in insured losses; or 10 deaths; or 50 people injured; or 2,000 filed claims or homes and structures damaged. As of January 2021. (2) Includes severe convective storms such as thunderstorms, tornadoes and hailstorms, straight-line winds and flooding that could occur with these storms. (3) Less than $1 billion. Source: Aon.