According to the World Health Organization, both Costa Rica and Chile are the most advanced countries in this regard, with a life expectancy of 79 years (2011):
Chile:
Male life expectancy: 76
Female life expectancy: 82
Overall life expectancy: 79
Costa Rica:
Male life expectancy: 77
Female life expectancy: 81
Overall life expectancy: 79
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expectancy model of motivation in organization behavior