Chapter 2  Offenders related to Boryokudan (Organized Crime Groups)

Section 1  Trends in Boryokudan Members

  Table 3-2-1-1 shows the number of Boryokudan members, etc. (regular members and quasi-members of Boryokudan; hereinafter the same in this chapter and the next chapter) over the last 10 years.
  In 2007, the number of regular members decreased by about 6% from 1998 while that of quasi-members increased by about 15%.

Table 3-2-1-1  Number of Boryokudan members, etc. (As of December 31, 1998–2007)

  As of March 31, 2008, 22 groups were designated as designated Boryokudan under the Act for Prevention of Wrongness by Boryokudan Members (Act No. 77 of 1991; hereinafter referred to as “Anti-Boryokudan Act”). As of December 31, 2007, regular members of the three major groups, the Sixth Generation Yamaguchi-Gumi, the Inagawa-Kai, and the Sumiyoshi-Kai, consisted of around 31,300 people (a decrease of around 300 from the previous year), and accounted for nearly 77% of the total regular Boryokudan members (Source: The Criminal Investigation Bureau, National Police Agency).
  Under the Anti-Boryokudan Act, 2,427 termination orders (down by 61 from the previous year) and 110 recurrence preventive orders (down by 18 (id.)) were issued in 2007. (Source: The Criminal Investigation Bureau, National Police Agency).