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Floods worldwide

Statistics report on floods and their impacts worldwide

Floods are the most common natural disaster worldwide, accounting for roughly one-third of economic loss caused by weather and climate-related disasters. This report presents statistics and facts about floods worldwide, including the occurrence of such events, and the countries most vulnerable to them. It also includes data on the economic and social costs they incur.

This report is part of a series of reports on the impacts of climate change.

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Table of contents

Overview

6
  • Basic Statistic Number of natural disasters worldwide 2025, by type
  • Basic Statistic Natural disasters with the most fatalities worldwide 2024
  • Basic Statistic Natural disasters with highest economic damage worldwide 2024
  • Premium Statistic Global economic losses from natural disasters 2024, by type
  • Basic Statistic Economic loss share of global climate disasters 1970-2021, by type
  • Basic Statistic Distribution of deaths related to climatic disasters 1970-2021, by type

Scale

6
  • Premium Statistic Countries with the highest river flood risk 2025
  • Premium Statistic Global number of flood disasters 1990-2023
  • Premium Statistic Global number of reported flood events 2020-2023, by region
  • Premium Statistic Growth in global population exposure to flooding 2023, by scenario
  • Premium Statistic Population share at risk of flooding worldwide 2022, by country
  • Premium Statistic Floods impact on total population 2022, by country

Effects

9
  • Premium Statistic Global number of people affected by floods 1990-2023
  • Premium Statistic Global number of deaths caused by floods 1998-2023
  • Premium Statistic Global number of deaths caused by floods 2010-2023, by region
  • Premium Statistic Global number of deaths caused by floods 2023, by leading country
  • Premium Statistic Costliest flood disasters worldwide 1900-2024, by economic loss
  • Premium Statistic Global flood economic insured losses 2013-2023, by type
  • Premium Statistic Global economic losses from floods 1970-2019
  • Premium Statistic Global cost of riverine floods in selected cities 2022-2050, by scenario
  • Premium Statistic Populations exposed to riverine floods in selected cities 2022-2050, by scenario
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