Life expectancy is the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future.
According to the CIA World Factbook 2009 which tracks countries with 100,000 or more in population, Japan has the longest overall life expectancy of 82.6 years.
The United States is ranked 38th with a life expectancy of 78.2 years (75.6 males, and 80.8 females).
The life expectancy of the world is 67.2 years (65 males and 69.5 females).
No comments:
Post a Comment