Workers' Socialist Movement - Puerto Rico - was created in 1982.
Socialist Party - Argentina - was created in 1896.
Socialist Workers' Federation was created in 1909.
Socialist Workers Party - UK - was created in 1977.
Workers' Socialist Organization was created in 1979.
Workers' Socialist League was created in 1975.
Flemish Socialist Workers Party was created in 1877.
Workers Organisation for Socialist Action was created in 1990.
Socialist Workers Organisation - Senegal - was created in 1973.
United Socialist Workers' Party was created in 1993.
Workers Party of Socialist Unity was created in 1976.
Socialist Workers' Party of China was created in 1919.