Places where people live the longest and Top 10 Hotspots for Human Longevity. In 1513, Spanish conquistador Juan Ponce de León set sail in search of Bimini, a mythical land said to house a spring that restored youth to anyone who drank from it. After scouring the Caribbean and Florida, he returned empty-handed, and the Fountain of Youth remained undiscovered. Perhaps he was just looking in the wrong place. As part of their data collection for the World Factbook, the Central Intelligence Agency (CIA) combs through death certificates, recording race, gender, cause of death, and other factors to estimate the life expectancy of a nation's entire population. Calculating the average life expectancy of the world's total population at 67.59 years, the CIA has determined which societies live longer. 1.Monaco Average Life Expectancy: 89.68 years Residents of Monaco live, on average, 5.25 years longer than the second longest-living nation, Macau; that's approximately a decade longer than the average American. 2.Macau Average Life Expectancy: 84.43 years Like several other nations on this list, Macau can attribute its high life expectancy, at least somewhat, to its fruitful economy. But why this tiny nation in the South China Sea is so prosperous might surprise you: Gambling is its main source of revenue, and 70 percent of the money generated on the casino floor is reportedly invested by the Macau government in public healthcare. 3. Japan Average Life Expectancy: 83.91 years Japan boasts an impressive obesity rate: 3.1 percent compared with 33.9 percent in the United States. Much of the credit is owed to the Japanese diet, which revolves around fresh vegetables, rice, and most importantly, fish. Fresh fish is a rich source of omega-3 fatty acids, which promote healthy blood pressure levels and reduce the risk of strokes and heart attacks. 3. Japan Average Life Expectancy: 83.91 years Japan boasts an impressive obesity rate: 3.1 percent compared with 33.9 percent in the United States. Much of the credit is owed to the Japanese diet, which revolves around fresh vegetables, rice, and most importantly, fish. Fresh fish is a rich source of omega-3 fatty acids, which promote healthy blood pressure levels and reduce the risk of strokes and heart attacks. 4. Singapore Average Life Expectancy: 83.75 years A sound diet and a clean environment contribute to the longevity exhibited by the population of this fast-paced city- state, located on the southern edge of the Malay Peninsula. 5. San Marino Average Life Expectancy: 83.07 years Europe's third smallest state--behind Vatican City and Monaco--and the world's oldest republic has a life expectancy that trumps the United States by 4.5 years. Money plays a major role here, as it does in both Guernsey and Andorra, but another key ingredient could be the nation's work environment. 6. Andorra Average Life Expectancy: 82.50 years Several factors may explain why Andorrans outlive residents of other countries. First, this tiny nation, sandwiched between France and Spain in the Pyrenees mountains, promotes an active, outdoor lifestyle. 7. Guernsey Average Life Expectancy: 82.24 years This small island in the English Channel is not a member of the United Kingdom or the European Union, despite being a British crown dependency. Its independence means Guernsey has not been affected by its neighbors' flailing economies. 8. Hong Kong Average Life Expectancy: 82.12 years Hong Kongers can expect to live nearly four years longer than Americans. Like Italians, people from Hong Kong can partly attribute their longer lives to their diet--rice, vegetables, and tofu are staples--and active lifestyle. 9. Australia Average Life Expectancy: 81.90 years Australia's long life expectancy can be attributed to several factors, including relatively low smoking and obesity rates, as well as an active lifestyle enjoyed by its citizens. But many Australian medical experts insist that the secret to Aussies' longevity is universal healthcare. 10. Italy Average Life Expectancy: 81.86 years Italians live an average of 3.37 years longer than Americans. Many experts draw a connection between their longevity and diet--which is more than just pasta, meat, and cheese. The Mediterranean diet is credited with lowering the risk for all sorts of diseases.

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