People Age, Now Older

At today’s world, people’s age of China and Japan are getting older and older. They live at eighty five and eighty seven in average.
In China, twenty two percent are over sixty five. According to expert it is a an old age sign. But, this the reality today.
In South America, they do not have sign of older age, they live far below the age of Asian people.
It is because people of South America like to enjoy their life, drinking and party frequent, shorter their life as a result.
Life in South Africa is also not long because they are poor, not enough nutrition to maintain their long life.
In America, they also cannot live long. It is because they eat too good, beef almost every meal.
In Russia, people live in mountain, most of their life over one hundred , much higher than the age in cities.