7. Sweden: 80.51 Years (tied)

Rushing mountain brook; Laktajakka, Sweden.
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Rushing mountain brook in Laktajakka, Sweden

­Although an economic downturn in the late 1990s did some damage to Sweden's world-renowned welfare and public health systems, they are still among the best in the world. Also, Sweden has the lowest rate of smokers in the developed world -- about 17 percent -- so tobacco-related deaths are half the European average.