Author
Listed:
- Doan,Miki Khanh
- Hill,Ruth
- Hallegatte,Stephane
- Corral Rodas,Paul Andres
- Brunckhorst,Ben James
- Nguyen,Minh
- Freije-Rodriguez,Samuel
- Naikal,Esther G.
AbstractBased on global datasets, 4.5 billion people were exposed to extreme weather events (flood, drought, cyclone, or heatwave) in 2019, an increase from 4 billion in 2010. Among exposed people in 2019, 2.3 billion people lived with less than $6.85 per day and about 400 million lived in extreme poverty (on less than $2.15 per day). This paper presents a methodology to estimate the number of people who are at high risk from extreme weather events, defined as the people who are exposed to these events and highly vulnerable to them. Vulnerability is proxied by a set of indicators measuring (1) the physical propensity to experience severe losses (proxied by the lack of access to basic infrastructure services, here water and electricity) and (2) the inability to cope with and recover from losses (proxied by low income, not having education, not having access to financial services and not having access to social protection). Estimates from 75 countries for which data on all indicators are available suggest that, in 2019, 42 percent of the total population (and 70 percent of people exposed) are at high risk from extreme weather shocks, if one indicator is enough to be considered as highly vulnerable. If high vulnerability is defined based on being vulnerable on two dimensions or more, then 12 percent of the total population (and 20 percent of people exposed) are at high risk from extreme weather shocks. The trend between 2010 and 2019 can be explored in a subset of countries covering 60 percent of the world population. In these countries, even though the population exposed to extreme weather events has been increasing, the number of people at high risk has declined. The exception is Sub-Saharan Africa where the number of people at high risk has increased between 2010 and 2019.
Suggested Citation
Doan,Miki Khanh & Hill,Ruth & Hallegatte,Stephane & Corral Rodas,Paul Andres & Brunckhorst,Ben James & Nguyen,Minh & Freije-Rodriguez,Samuel & Naikal,Esther G., 2023.
"Counting People Exposed to, Vulnerable to, or at High Risk From Climate Shocks — A Methodology,"
Policy Research Working Paper Series
10619, The World Bank.
Handle:
RePEc:wbk:wbrwps:10619
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