人口维持政策幕末是日本封建社会将要崩溃的前夕,当时日本国内最大的问题之一,就是虾夷地的阿伊努人口减少的问题,从1822年至1855年,即自幕府停止直辖虾夷地时,至幕府再次直辖虾夷地时为止,30年间虾夷地的阿伊努人口减少5,489人,即减少了22.55％。直接影响虾夷地的劳动力人口和兵源人口,严重的威胁着虾夷地的开 Population maintenance policy Bakumatsu on the eve of the fall of the feudal society in Japan, one of the biggest problems in Japan at that time was the reduction of the population of Ainu in the Yiba area from 1822 to 1855, , The population of Ainu in Euphemia decreased by 5,489 in 30 years to 22 years, that is, a decrease of 22.55%. A direct impact on the labor force of the Yibi population and the source population, a serious threat to the open