Workers' Party of Singapore was created in 1957.
Democratic Party - Singapore - was created in 1955.
Singapore People's Party was created in 1994.
National Solidarity Party - Singapore - was created in 1987.
Progressive Party - Singapore - was created on 1947-08-25.
Democratic Progressive Party - Singapore - was created on 16-03-19.
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.
Haitian Workers Party was created in 1966.
Workers' Party - Paraguay - was created in 1989.
Burundi Workers' Party was created in 1979.