Ethnic and language have close relations, because different people will have different effect on language, the language will change with the passage of time. In general, people think that Japan is a nation state with a single nation, however, Japan is a multi-ethnic country since ancient time. In the Jomon period, Jomon people lived in the Honshu region and then the Ainu people came from Siberia and they lived in the northern Japan region of Hokkaido, and the Ryukyuans is belong to the branch of “Malayo-Polynesian” who lived in the far southern of island. The Jomon culture is the Neolithic civilization and the Jomon people’s main lifestyle is hunting, fishing and gathering. The formation and development of proto-Japanese language and the proto-Japanese nation also has two periods. In the Yayoi period, Korean people migrant from the Korean Peninsula to Japan, but the Korean immigrants did not replace the Jomon people who live in the mainland Japan, only part of the Korean intermarriage with the Jomon indigenous. On the Japanese nation aspect, according to Keiji Imamura’s research, “he found that the mainland Japanese are more similar to the Korean on the gene than the Ainu and Ryukyuans.” Because, many Korean people moved to mainland Japan, thus less impact on Ainu and Ryukyuans gene in the Yayoi period. During the Yayoi period, the proto-Japanese people was including the Ainu, Ryukyuans and the Kaya people, they were called “Wa-jin”. However, the ethnic Composition was changed which the Paekche people as the newcomer from Korean Peninsula, the Paekche people replace the position of the Kaya people in the Kofun period, they were called “Yamato-jin” by the scholars. The Yamato people as well as the ancestors of the modern Japanese
Ethnic and language have close relations, because different people will have different effect on language, the language will change with the passage of time. In general, people think that Japan is a nation state with a single nation, however, Japan is a multi-ethnic country since ancient time. In the Jomon period, Jomon people lived in the Honshu region and then the Ainu people came from Siberia and they lived in the northern Japan region of Hokkaido, and the Ryukyuans is belong to the branch of “Malayo-Polynesian” who lived in the far southern of island. The Jomon culture is the Neolithic civilization and the Jomon people’s main lifestyle is hunting, fishing and gathering. The formation and development of proto-Japanese language and the proto-Japanese nation also has two periods. In the Yayoi period, Korean people migrant from the Korean Peninsula to Japan, but the Korean immigrants did not replace the Jomon people who live in the mainland Japan, only part of the Korean intermarriage with the Jomon indigenous. On the Japanese nation aspect, according to Keiji Imamura’s research, “he found that the mainland Japanese are more similar to the Korean on the gene than the Ainu and Ryukyuans.” Because, many Korean people moved to mainland Japan, thus less impact on Ainu and Ryukyuans gene in the Yayoi period. During the Yayoi period, the proto-Japanese people was including the Ainu, Ryukyuans and the Kaya people, they were called “Wa-jin”. However, the ethnic Composition was changed which the Paekche people as the newcomer from Korean Peninsula, the Paekche people replace the position of the Kaya people in the Kofun period, they were called “Yamato-jin” by the scholars. The Yamato people as well as the ancestors of the modern Japanese