 It is mainly distributed in East Asia and is mainly found in Han Chinese and occasionally found in Taiwan plains tribes, Vietnamese, Dai, Filipinos, Koreans, Japanese, West Kalimantan, Hazaras, and Arabs (Qatar).TMRCA of Han Chinese, Dai, Vietnamese, and Japanese members estimated to be 15,900 [95% CI 13,300  16,400] ybp.Relative paper illustrates O-P31/M268(PK4-, M176-) is found in North China (6.2%), East China (4.8%) and South China (3.1%).