Almost all of the world's population lives in low- and middle-income countries, according to a study published in Nature Communications.
A study shows that 25% of the world's population live in areas at risk of flooding.
According to a peer reviewed study by World Bank researchers, an estimated 1.81 billion people are at risk of flooding from a 1-in 100 year flood.
India and China account for more than a third of global exposure, with the vast majority of people living in South and East Asia.
An analysis of economic data shows that flood risk is related to poverty and vulnerability, with nearly 9 out of 10 people at risk from flooding in low- and middle-income countries.
The researchers said that low- and middle-income countries are less likely to benefit from flood defenses, risk management measures and support after disasters.
Even where comprehensive defenses are in place, they are likely to be overwhelmed by a one-in- 100 year flood.
Climate change is likely to intensify the risks from flooding, the researchers said, stressing the need for large-scale investment in flood defenses.
A total of $10 trillion. Around 12% of global GDP will be located in areas at risk of flooding in 2020. The majority of this economic value is located in high- and middle-income countries. The US is the most exposed country with a total of $1 trillion.
There is a study that shows the disproportionate impact of climate disasters on the world's poor. It followed flooding in India and Bangladesh. According to experts, more extreme events are likely to increase in severity and frequency as a result of human-driven climate change.
The countries with the most people living in areas at risk of flooding are Bangladesh, Indonesia, Pakistan, Vietnam, the US and Egypt. The Netherlands and Bangladesh have the highest percentage of exposed people. They are followed by Vietnam, Egypt, and other countries.
There is new data that shows hidden flood risk across America.
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