*Liberal Democratic Party: as of March 2024 Constitutional Democratic Party of Japan: as of January 2024 Komeito: as of 2024 Japan Innovation Party: as of November 2024 The Collaborative Party: as of February 2025
Figures only include the members of the parties that disclosed the information.
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Number of members of political parties Japan 2024, by organization
As of December 2024, there were more than *** million members of the Liberal Democratic Party (LDP) in Japan. Established in 1955, LDP is one of the parties with high political strengths in Japan. Any Japanese national aged 18 years and older can become a member of a political party in Japan.
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Cabinet Office Japan. (July 18, 2025). Number of members of political parties in Japan in 2024, by organization [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1263871/japan-number-members-political-parties-by-organization/
Cabinet Office Japan. "Number of members of political parties in Japan in 2024, by organization." Chart. July 18, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1263871/japan-number-members-political-parties-by-organization/
Cabinet Office Japan. (2025). Number of members of political parties in Japan in 2024, by organization. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1263871/japan-number-members-political-parties-by-organization/
Cabinet Office Japan. "Number of Members of Political Parties in Japan in 2024, by Organization." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 18 Jul 2025, /statistics/1263871/japan-number-members-political-parties-by-organization/
Cabinet Office Japan, Number of members of political parties in Japan in 2024, by organization ÌÇÐÄÆƽâ°æ, /statistics/1263871/japan-number-members-political-parties-by-organization/ (last visited July 31, 2026)
Number of members of political parties in Japan in 2024, by organization [Graph], Cabinet Office Japan, July 18, 2025. [Online]. Available: /statistics/1263871/japan-number-members-political-parties-by-organization/
