White paper on crime 2011 Part4/Chapter2/Section1
Table 4-2-1-1 shows the number of organized crime group members, etc. (refers to regular members and quasi-members of organized crime groups) over the last 10 years. In 2010 the number of regular members had decreased by approximately 16% from that of 2001 while the number of quasi-members had increased by approximately 3%.
As of the end of 2010, 22 groups had been identified to be designated organized crime groups under the Act on Prevention of Unjust Acts by Organized Crime Group Members (Act No. 77 of 1991; hereinafter referred to as the “Anti-Organized Crime Group Act”), with the number of regular members of the three major groups, namely, the Sixth Generation Yamaguchi-Gumi, the Inagawa-Kai, and the Sumiyoshi-Kai, totaling approximately 27,700 persons (down approximately 2,100 from the end of the previous year), and accounting for approximately 77% of all regular organized crime group members (Source: The Criminal Investigation Bureau, National Police Agency).
2,130 termination orders (up 11 from the previous year) and 85 recurrence preventive orders (up 20 (id.)) were issued under the Anti-Organized Crime Group Act in 2010 (Source: The Criminal Investigation Bureau, National Police Agency).