Principal families

Although yakuza membership has declined following an antigang law aimed specifically at yakuza and passed by the Japanese government in 1992, there are thought to be more than 87,000 active yakuza members in Japan today. Although there are many different Yakuza groups, together they form the largest organized crime group in the world. Most yakuza members belong to five principal families

                                                  Yamaguchi-gumi family

                                                 Sumiyoshi-kai  family

                    
                                                   Inagawa-kai family

                                                 Aiizukotetsu-kai family

                                                         Toa-kai family