The National Federation of Construction Workers' Unions (Japanese: 全国建設労働組合総連合, Zenkensoren) is a trade union representing workers in the building industry in Japan.

The union was founded in 1960, with the merger of the General Federation of National Construction Workers' Unions, the National Federation of Construction Industry Workers' Unions, and another union.[1] It affiliated to the Federation of Independent Unions (Churitsuroren), and had a membership of 219,558 by 1970, which grew to 351,816 in 1985. In 1987, Churitsuroren merged into the Japanese Confederation of Labour, but Zenkensoren instead opted to become independent.[2] By 1997, its membership was over 750,000.[1] In March 2020, membership had risen to 1,042,988.[3]

References

  1. 1 2 "経緯". Zenken Soren. Retrieved 9 January 2022.
  2. ↑ Seifert, Wolfgang. Gewerkschaften in der japanischen Politik von 1970 bis 1990. VS Verlag für Sozialwissenschaften. ISBN 9783322899309.
  3. ↑ "全建総連について". Zenken Soren. Retrieved 10 May 2022.
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