Similar to 日本進歩党

Liberal Party–Hatoyama

Japan New Party

Japan Democratic Party

From Five

New Conservative Party (Japan)

Democratic Liberal Party (Japan)

Good Governance Party

Your Party

First Yoshida Cabinet

Cooperative Democratic Party

National Party (Japan)

Japan Cooperative Party (1945–46)

Machida Chūji

Okada Cabinet

Koiso Cabinet

Toyo Keizai

Nonkina Tōsan

Rikken Kokumintō

Rikken Dōshikai

Takeru Inukai