Haitian Workers Party was created in 1966.
Haitian Communist Party was created in 1934.
Unified Party of Haitian Communists was created in 1968.
Irish Workers' Party was created in 1948.
Workers Party of Hungary was created in 1878.
Workers' Party of Tarija was created in 1942.
Workers Party of Turkey was created in 1961.
Workers' Party - Paraguay - was created in 1989.
Burundi Workers' Party was created in 1979.
Workers Party of Barbados was created in 1985.
Workers' Vanguard Party was created in 1978.
Workers World Party was created in 1959.
Workers' Cause Party was created in 1995.