Drug overdoses, suicides cause drop in 2017 US life expectancy; CDC director calls it a 'wakeup call'

Photos: The countries where people live longest

Italy – The Italian diet, combined with a climate that promotes outdoor activity, is thought to play an important role in healthy aging among Italians.

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Photos: The countries where people live longest

Japan – Japan has the longest-living population in the world, with the average 60-year-old going on to live until age 86. Experts say this is due to good diets, active lifestyles and supportive family structure.

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Photos: The countries where people live longest

Spain – Spain's version of the Mediterranean diet combined with strong family networks is believed to enhance life expectancy among its population. In Spain, average life expectancy at age 60 is 85.

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Photos: The countries where people live longest

France – France also tied second with the other countries in southern Europe with, those over 60 living to the age of 85, on average. Pictured, a couple sit on a bench in Cannes.

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Photos: The countries where people live longest

Andorra – Diet and outdoor lifestyle in Andorra help to keep the country's elderly population healthy.

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Photos: The countries where people live longest

Australia – The universal health care system in Australia, combined with Australians' outdoor lifestyle, help people live longer, according to experts. Pictured, a war veteran during ANZAC Day.

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