which political party has dominated japanese politics since the end of world war ii
Politics of Japan Several political parties exist in Japan, however, the politics of Japan have primarily been dominated by the LDP since 1955, with the DPJ playing an important role as opposition several times. LDP was a ruling party during decades since 1955. Despite of existence of multiple parties, other parties were completely ignored. Most of the prime ministers were elected from inner factions of LDP.