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Millennium Ecosystem Assessment
Uploaded on Tuesday 21 Feb 2012
Number of flood events by continent and decade since 1950
Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Roughly 17% of all the urban land in the United States is located in the 100-year flood zone. Likewise, in Japan about 50% of the population lives on floodplains, which cover only 10% of the land area. In Bangladesh, the percentage of floodprone areas is much higher and inundation of more than half of the country is not uncommon.