The supplied chart and table illustrate the average lifespan in 2008 and the growth in longevity of these countries throughout the years from 1996 to 2008.
Overall, the population of Japan recorded the highest numbers compared to Korea, United States and Indonesia. However, Indonesia experienced the most significant growth, whereas the United States accounted for the lowest figures throughout the years of 1996 and 2008.
To begin with, life expectancy in Japan indicated high proportions, about 82.7 in 2008, which increased nearly 5 years between 1996 and 2008. Meanwhile, Indonesia indicated the lowest numbers just over 70 years, nevertheless, this country showed the most dramatic increase in longevity between 1996 and 2008.
Korea recorded high figures relative to the United States, which are about 79 and 77 years, respectively. Also, the average lifespan of citizens of Korea increased consistently by nearly 9 years, whereas the expected lifespan in the United States remained considerably lower at only about 3 years from 1996 to 2008.