Eighty years of labor union

Among the anniversaries on March 1st in Japan is Labor Union Act Enforcement Day 労働組合法施行記念日. On this day in 1946 the country’s modern framework for workers’ rights officially began.

After the end of World War II, Japan faced the challenge of rebuilding not only its economy but also the relationship between employers and workers. Although labor unions had existed since the Taishō era, employees still lacked legally protected bargaining power. That changed when the Labor Union Act was submitted to the Imperial Diet in November 1945 and passed the following month, coming into force on March 1 the next year.

The Act became one of Japan’s three major labor laws, guaranteeing three essential rights: the right to organize, the right to collective bargaining, and the right to strike. These protections helped shape fairer workplaces and gave workers a formal voice in negotiations. Today, these postwar reforms continue to influence everyday working life in Japan, from contract discussions to workplace conditions.