Japan New Party ended in 1994.
Japan Farmers Party ended in 1928.
Japan Proletarian Party ended in 1937.
Democratic Socialist Party - Japan - ended in 1994.
Rightist Socialist Party of Japan ended in 1955.
Leftist Socialist Party of Japan ended in 1955.
Japan Labour-Farmer Party ended in 1928.
Japan Innovation Party was created in 2010.
Japan New Party was created in 1992.
Japan Nation Party was created in 1988.
Japan Farmers Party was created in 1926.
Japan Proletarian Party was created in 1937.