The Japan Federation of National Public Service Employees' Unions (Japanese: 日本国家公務員労働組合連合会, Kokko Roren) is a trade union representing public sector workers in Japan.
On formation, it had 87,112 members:[1] Membership grew to 138,503 by 1989.
That year, Sohyo merged into the Japanese Trade Union Confederation (RENGO).
Kokko Roren decided instead to become a founding affiliate of the National Confederation of Trade Unions, although a section which wished to join RENGO split away and formed the Japan Central Federation of National Public Service Employees' Unions.
[2] The union's largest affiliates include: