Any significant infusion of new ethnic strains into the Japanese population ceased in the eighth century, when the Ainu began to be absorbed into the country's dominant ethnic group. Out of an ethnic Japanese population of 121.7 million, less than 20 thousand Ainu survive as a culturally identifiable population group.
Japan is also highly unified in a religious context (Hunter 810). Although the country has no official state religion, approximately 108 million Japanese are adherents of Shintoism. Thus, approximately 88 percent of the Japanese population share the same religious orientation. Buddhism is not incompatible with Shintoism, and approximately 93 million Japanese practice Buddhism. Obviously, a significant overlap exists between the country's Shinto and Buddhist adherents. Rather than divide the country's population, however, the Shinto/Buddhist overlap further unifies the country. While a variety of folkways and accents are found in Japan, these differences are not causes of divisions within the population. A sharp division among the population along language lines, such as the division between Gaelic and English speakers in Britain, is not found in Japan.
The "need to give direction to government is universal and persisting. Every country a must maintain political institutions that enable a small group of politicians to make authoritative decisions that are b