# Flood exposure and poverty in 188 countries

“Flood exposure and poverty in 188 countries” (2022), by Jun Rentschler et al. Environmental Science research paper. Original abstract below, unchanged. A free PDF is available.

- Authors: Jun Rentschler, Melda Salhab, Bramka Arga Jafino
- Published: June 28, 2022
- Field: Environmental Science
- DOI: https://doi.org/10.1038/s41467-022-30727-4
- Free PDF: https://www.nature.com/articles/s41467-022-30727-4.pdf

## Abstract

Flooding is among the most prevalent natural hazards, with particularly disastrous impacts in low-income countries. This study presents global estimates of the number of people exposed to high flood risks in interaction with poverty. It finds that 1.81 billion people (23% of world population) are directly exposed to 1-in-100-year floods. Of these, 1.24 billion are located in South and East Asia, where China (395 million) and India (390 million) account for over one-third of global exposure. Low- and middle-income countries are home to 89% of the world's flood-exposed people. Of the 170 million facing high flood risk and extreme poverty (living on under $1.90 per day), 44% are in Sub-Saharan Africa. Over 780 million of those living on under $5.50 per day face high flood risk. Using state-of-the-art poverty and flood data, our findings highlight the scale and priority regions for flood mitigation measures to support resilient development.

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