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Photo Modified: Flickr / Sarahhoa/ CC BY-SA 3.0

Average life expectancy: 73.16 years

Vietnam, which has many off the beaten path adventures, may be one of the surprises on this list but it was No. 2 in terms of happiness in 2014. Many reports have been showing how Vietnamese people are living better and happier lives decades after the war. They earn more, think positively of the future, believe in the economy, enjoy life more, have more consumer goods, and poverty has fallen sharply.