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NETHERLANDS
COUNTRY BELOW SEA LEVELMore than half of the Netherlands sits below sea level, and if a massive storm were to break through the dunes, Rotterdam would be inundated in 24 hours.
Today, approximately 27 percent of the Netherlands is actually below sea level. This area is home to over 60 percent of the country's population of 15.8 million people. The Netherlands, which is approximately the size of the U.S. states Connecticut and Massachusetts combined, has an approximate average elevation of 11 meters (36 feet). The Netherlands ties Lemmefjord, Denmark for claim to the lowest point in Western Europe - Prince Alexander Polder lies at 23 feet (7 meters) below sea level.