Which country in Latin America has the highest life expectancy in the region?

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