From the survey on 1 August 2012 Japan has a population of about 127 692 273 people 115,, []. Most of the population have the same language and culture by foreigners, such as Korea, China, Brazil, Philippines, Taiwan, and other nations. Around 1 percent.2, most of which live in large cities 116 []. Most of the Yamato race is. And ethnic minorities such as Ainu people and the Ryukyu. As well as social minorities called bura Gu [117]
.The population was expected Japanese average 82.07 years, it is a country with a population longevity 118 one country in the world []. Population structure of Japan began to change. Because children born in the baby boom after World War II began into old age.B.Professor 2532 tends to decrease gradually [119] the population gradually reduced (is about to lower than 100 million people in the ปลายพุทธศตวรรษที่. 25 [119]), while the proportion of the elderly will gradually increase (in 2002.2550) population aged from 65 years are up to 1 in 5 of total population [120]). The population structure change caused many social problems, such as problems of lower. And the burden of the pension of more and more young people [...
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