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The 2024 Constitutional Democratic Party of Japan presidential election will take place on 23 September 2024 to elect the next president of the Constitutional Democratic Party of Japan for a 3-year term at the expiration of the current party leader Kenta Izumi's term.
Following the resignation of the then-party president Yukio Edano after the party's poor performance in the 2021 Japanese general election, former 2020 leadership contender and Parliamentary Secretary of the Cabinet Office Kenta Izumi was elected in 2021, defeating former Mayor of Niseko and fellow Diet member Seiji Osaka in a second round runoff.
The main issues expected to be discussed during the presidential election are the nature of the opposition parties' joint struggle to rebuild the party and the pros and cons of the “realistic course” of Izumi's fundamental policies, such as security and energy. [1] [2]
| Candidate(s) | Date of birth | Current position | Party faction | Electoral district | Reference(s) | |
|---|---|---|---|---|---|---|
 | 31 May 1964 (age 60) | Member of the House of Representatives (since 1993) Previous offices held
| Sanctuary (Kondō) Kuni no Katachi Kenkyūkai (Kan) |  | [3] [4] [5] [6] [7] [8] [9] | |
 | 29 July 1974 (age 50) | Member of the House of Representatives (since 2003) Previous offices held
| Shin Seiken Kenkyūkai (Izumi) |  | [10] [11] [12] [13] | |
 | 20 May 1957 (age 67) | Member of the House of Representatives (since 2000; 1993-1996) Previous offices held
| Kasaikai (Noda) |  | [14] [15] [16] [17] | |
 | 1 January 1972 (age 52) | Member of the House of Representatives (since 2021) | None |  | [18] [19] [20] | |
Party regulations require at least 20 Diet members’ support to run.
| Fieldwork date | Polling firm | Sample size | Yoshihiko Noda | Yukio Edano | Kenta Izumi | Harumi Yoshida | Kenji Eda | Sumio Mabuchi | Chinami Nishimura | Junya Ogawa | Seiji Osaka | Others | NOT/ UD/NA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7–8 Sep 2024 | JNN | 1,011 | 30.9 | 11.3 | 9.7 | 7.1 | – | – | – | – | – | – | 41 |
| 6–8 Sep 2024 | NHK | 1,220 | 35.3 | 14.4 | 9 | 5.6 | 4.9 | – | – | – | – | 8.1 | 22.6 |
| 24–25 Aug 2024 | FNN | 1,017 [lower-alpha 2] | 20.1 | 16.4 | 6.6 | – | – | – | – | – | – | – | 56.9 |
| 23–25 Aug 2024 | Yomiuri/NNN | 1,056 | 25 | 15 | 8 | – | 3 | 3 | – | 3 | – | – | 43 [lower-alpha 3] |
| 15–16 Jun 2024 | Gunosy for Senkyo Dot Com | 1,000 | 8.5 | 6.7 | 4.1 | – | 1.7 | 1.2 | 0.7 | 1 | 0.3 | 6 | 69.8 |
| 15–16 Jun 2024 | JX for Senkyo Dot Com | 984 | 19.2 | 8.4 | 11.4 | – | 2 | 1.3 | 0.5 | 1.5 | 1.3 | 11.1 | 43.3 |
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