[1] They were the last elections before the May 15 Incident, which marked the temporary end of party politics in Japan.

In 1931, the ruling Rikken Minseitō opposed the Mukden Incident, which was engineered by the military.

After the resignation of the Reijirō Cabinet, some right-wing members of the ruling party formed a coalition with the opposition Rikken Seiyūkai and elected Inukai Tsuyoshi as prime minister.

Despite assassinations of anti-war politicians, Rikken Minseitō was unpopular because of its mishandling of the economic crisis.

The ruling right-wing Rikken Seiyūkai led by Prime Minister Inukai Tsuyoshi won a landslide victory.