Mongolia japan and the koreas are largley BLANK with large majority of ethinic groups however the BLANK make up a small minority group on Japanese island of Hokkaido China largest ethnic group are the han but the large country has a man minority ethnic groups including BLANK Taiwan also has a majority Han populations

Mongolia, Japan, and the Koreas are largely homogenous with a large majority of ethnic groups, however, the Ainu people make up a small minority group on the Japanese island of Hokkaido. China's largest ethnic group is the Han, but the large country also has a myriad of minority ethnic groups, including Tibetans, Uighurs, Zhuang, Hui, and many others. Taiwan also has a majority Han population.