19-thinkstockphotos-135282697.jpg

Thinkstock

Average life expectancy: 82.12 years

According to a medical journal review, Italians live longer due to a reduced poverty gap that is smaller than in other countries. The standard of living has increased for everybody - running is one way of achieving that - which means most people are able to afford better food and do things that make them happy. According to the Blue Zones website, a few important Sardinian principles include: Putting family first, celebrating elders, walking more to stay fit as they get older, and laughing with friends.