Regional flood vulnerability
People affected by floods in 2009 Flash floods
General floods Asia
Countries most affected by floods in the last 10 years
Note: the size of the circles is proportional to the values shown.
Americas
Pacific Ocean
Europe 42 000
Pacific Ocean
Africa
Atlantic Ocean
Oceania 27 000
Indian Ocean
Source: "EM-DAT, The OFDA/CRED International Disaster Database. Figure 14: Recent flood events in Hindu Kush-Himalaya. Figure 15: Regional flood vulnerability.
roads and bridges and croplands, including killing livestock and many people. An estimated 20.5 million people were af- fected, over 1,700 were killed, 6 million were displaced and 1.89 million houses were destroyed. By November 2010, over 7 million were still affected and lacked proper housing (OCHA, Nov. 15th, 2010)
Parts of Nepal are vulnerable to seasonal flooding and an es- timated 250–300 persons die in floods each year while 5–6 million are physically exposed to flooding. In contrast Bhutan is to a much smaller extent exposed to large scale seasonal flooding and vulnerability here is largely associated with flash floods (FAO 2001). Only a few persons are killed each year. 200 persons are reported killed by natural disasters during 1998–2008. However around 200 000 are thought to be ex- posed to flooding each year.
Since Asia comprises a large portion of the World’s popula- tion, and more than 40% of all the floods in the world occur in Asia, a large number of people are affected by disasters (Fig. 14). More than 40% of the people killed by natural di- sasters are killed in Asia (Fig. 15). In the ten-year period from 1999–2008, 402 floods were recorded in Africa, 342 in the Americas, 259 in Europe and 649 in Asia. In the same time period close to 1 billion people were affected by floods in Asia whereas the corresponding figures for Europe were around 4 million, for the Americas 28 million and Africa 22 million. The vast majority of people either injured, made homeless or otherwise affected by natural disasters on a global basis, i.e. 80–90% live in Asia. As a rough estimate floods appear to cause 20–25% of all deaths associated with natural disas- ters across Asia (World Disaster Report, 2009, USAID, 2007, UNU-IAS, 2008).
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